Month: August 2019

Discovery could lead to more difficult Sudoku puzzles

first_img Explore further A standard 9×9 Sudoku matrix. Image credit: Héctor Rodríguez. (PhysOrg.com) — A new analysis of number randomness in Sudoku matrices could lead to the development of more difficult and multi-dimensional Sudoku puzzles. In a recent study, mathematicians have found that the way that numbers are arranged in Sudoku puzzles is even more random than the number arrangements in randomly-generated matrices. The counter-intuitive discovery may enable researchers to develop algorithms that generate Sudoku matrices with fewer clues, making them more difficult to solve. Citation: Discovery could lead to more difficult Sudoku puzzles (2010, February 13) retrieved 18 August 2019 from https://phys.org/news/2010-02-discovery-difficult-sudoku-puzzles.html This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only. Toy Robot to Solve Sudoku (w/ Video)center_img — Paul K. Newton and Stephen A. DeSalvo. “The Shannon entropy of Sudoku matrices.” Proceedings of the Royal Society A. doi: 10.1098/rspa.2009.0522.– Via: ABC Science More information: Mathematicians Paul Newton and Stephen DeSalvo of the University of Southern California in Los Angeles have published the results of their study in a recent issue of the Proceedings of the Royal Society A. “I think it will help develop multi-dimensional Sudoku puzzles, and answer questions about how to give the initial [clues] in order to create a hard, but still solvable Sudoku puzzle,” Newton said in an article at ABC Science.Sudoku is a number puzzle consisting of a 9×9 grid, whose 81 boxes are filled in with the numbers 1 through 9 in a way that meets certain criteria. Each number can only appear once per row and once per column, as well as only once in each of the nine 3×3 sub-grids that make up the matrix. In 2006, researchers (Felgenhauer and Jarvis) found that there are about 6.67 x 1021 different Sudoku matrices that satisfy these three criteria. In contrast, the total number of different 9×9 randomly generated matrices is much greater: 981. The ratio of these two numbers, or the probability of randomly generating a Sudoku matrix by randomly selecting each number in each box independently, is very small: about 3 x 10-56. This small probability results from the constraints put on Sudoku matrices.In their study, Newton and DeSalvo wanted to find out how exactly random a Sudoku matrix is, given these constraints. To answer this question, they generated a representative sample of about 10,000 matrices and compared them to randomly generated matrices. They were surprised to find that Sudoku matrices are actually more random than randomly-generated matrices. This result is counterintuitive since you would expect that, the more constraints on a matrix, the less random it will be. Instead, the rules of Sudoku seem to “weed out” matrices with patterns. For example, as Newton explained, a randomly generated matrix could potentially consist of all one number, alternating numbers, or some other pattern not allowed in Sudoku. The imposed high level of number distribution in Sudoku gives it a higher level of entropy, making it more random than random matrices.Newton and DeSalvo predict that this greater understanding of Sudoku could lead to better Sudoku-generating algorithms that create more difficult puzzles. Currently, Sudoku puzzles require at least 17 numbers to be given in their correct boxes in order for the puzzle solver to find a unique solution. The new study could decrease that number, making it more difficult to solve the puzzles. Future algorithms might also develop more complex 3D Sudoku cubes. “I think it will give people a lot of insight into how to produce better algorithms for constructing Sudoku matrices and it will enable ultimately the very fast learning algorithms that solve Sudoku matrices,” Newton said.Australian mathematician Marcel Jackson of Latrobe University in Melbourne, who was not affiliated with the study, added that understanding Sudoku matrices better might also be useful in coding information to minimize the effect of errors in transmission. © 2010 PhysOrg.comlast_img read more

Team says Arctic ice shelf broke up before

first_imgImage: NASA/Goddard Space Flight Center Citation: Team says Arctic ice shelf broke up before (2011, October 25) retrieved 18 August 2019 from https://phys.org/news/2011-10-team-arctic-ice-shelf-broke.html Now however, new research by a team from Université Laval in Canada, led by Dermot Antoniadesa, have found, after studying sedimentary material on the bottom of the Disraeli Fiord, created by backup from an ice shelf in Northern Canada, that it experienced a major fracture that resulted in an overall reduction of the ice shelf some 1,400 years ago. Which means this isn’t the first time that the shelf ice has melted and broken apart. The team has published the results of its survey in the Proceedings of the National Academy of Sciences.Shelf ice is a thick platform of ice that has been pushed out to sea by glacier pressure. As the sea level drops, the ice tends to float even as it’s still connected to the shore. Hence its name, it literally looks like a giant shelf hanging off the land out into the sea. One ice shelf in particular, Ward Hunt, located on Ellesmere Island, lies off the north central coast of Canada and is part of a group of ice shelves that once comprised most of the northwest coast of the Island. Over the past hundred years, the shelf ice in this region has diminished by nearly 90%.Because ice shelves also act as dams, backing up water into fjords, sediments from them build up on the sea floor and in the spaces between the salty seawater and fresh water produced by melting ice. By analyzing these sediments using carbon 14 dating and other techniques, the researchers are able to create a record or timeline of sorts that they can use to look into the past. In this case, the research team found that the ice shelf first appeared approximately 4,000 years ago and hung around for several thousand years. But then about 1,400 years ago, a major fracturing occurred that caused the shelf to shrink. It didn’t fully recover until about 800 years ago. After that, it held steady till the shrinkage that began nearly a hundred years ago and continues to this day.At this point, it doesn’t appear that the shelf ice around Ellesmere Island is any smaller now than it was during the previous period of warming, but because it’s still shrinking, it’s possible it could become, as Antoniadesa writes, an “unprecedented” event. © 2011 PhysOrg.com More information: Holocene dynamics of the Arctic’s largest ice shelf, PNAS, Published online before print October 24, 2011, doi:10.1073/pnas.1106378108AbstractIce shelves in the Arctic lost more than 90% of their total surface area during the 20th century and are continuing to disintegrate rapidly. The significance of these changes, however, is obscured by the poorly constrained ontogeny of Arctic ice shelves. Here we use the sedimentary record behind the largest remaining ice shelf in the Arctic, the Ward Hunt Ice Shelf (Ellesmere Island, Canada), to establish a long-term context in which to evaluate recent ice-shelf deterioration. Multiproxy analysis of sediment cores revealed pronounced biological and geochemical changes in Disraeli Fiord in response to the formation of the Ward Hunt Ice Shelf and its fluctuations through time. Our results show that the ice shelf was absent during the early Holocene and formed 4,000 years ago in response to climate cooling. Paleoecological data then indicate that the Ward Hunt Ice Shelf remained stable for almost three millennia before a major fracturing event that occurred ∼1,400 years ago. After reformation ∼800 years ago, freshwater was a constant feature of Disraeli Fiord until the catastrophic drainage of its epishelf lake in the early 21st century. ‘Webcam’ from Space: Envisat observing Wilkins Ice Shelf (PhysOrg.com) — Arctic shelf ice has been in the news of late due to its shrinkage over the past few decades that most attribute to global warning. Thus, its levels and seemingly constant calving have become ecological barometers that environmentalists have come to use to show just how fast our planet is heating up. Explore further This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only.last_img read more

Repulsive gravity as an alternative to dark energy Part 2 In the

first_img Explore further Dark matter may be an illusion caused by the quantum vacuum Citation: Repulsive gravity as an alternative to dark energy (Part 2: In the quantum vacuum) (2012, February 1) retrieved 18 August 2019 from https://phys.org/news/2012-01-repulsive-gravity-alternative-dark-energy_1.html (PhysOrg.com) — During the past few years, CERN physicist Dragan Hajdukovic has been investigating what he thinks may be a widely overlooked part of the cosmos: the quantum vacuum. He suggests that the quantum vacuum has a gravitational charge stemming from the gravitational repulsion of virtual particles and antiparticles. Previously, he has theoretically shown that this repulsive gravity can explain several observations, including effects usually attributed to dark matter. Additionally, this additional gravity suggests that we live in a cyclic Universe (with no Big Bang) and may provide insight into the nature of black holes and an estimate of the neutrino mass. In his most recent paper, published in Astrophysics and Space Science, he shows that the quantum vacuum could explain one more observation: the Universe’s accelerating expansion, without the need for dark energy. Interestingly, one significant difference between Hajdukovic’s quantum vacuum model and standard cosmology is that the former predicts that the acceleration is decreasing, while the latter predicts it is increasing. Very different predictions for the fate of the Universe result from these differences.“The series of publications shows that the quantum vacuum, enriched with the hypothesis of the negative gravitational charge for antiparticles, has the potential to explain the observed phenomena in astrophysics and cosmology without invoking dark matter and dark energy and mysterious mechanisms for inflation and matter-antimatter asymmetry,” Hajdukovic said. “If antimatter really has negative gravitational charge (which could be revealed by the AEGIS experiment at CERN), the above papers have started a new scientific revolution. But the papers are important even if antimatter has no negative gravitational charge, because they encourage reconsidering the quantum vacuum as a key for the understanding of the Universe.”In addition to the AEGIS experiment in CERN, which is designed to reveal the gravitational properties of antihydrogen, Hajdukovic said that other experiments are also investigating the gravitational properties of antimatter. For instance, physicists at the University of California, Riverside, have recently begun studying the gravitational properties of positronium (an electron-positron pair).Part 1. Repulsive gravity as an alternative to dark energy (In voids) More information: Dragan Hajdukovic. “Quantum vacuum and virtual gravitational dipoles: the solution to the dark energy problem?” Astrophysics and Space Science. DOI: 10.1007/s10509-012-0992-ycenter_img © 2011 PhysOrg.com Journal information: Astrophysics and Space Science “The quantum vacuum was predicted theoretically more than 60 years ago,” Hajdukovic told PhysOrg.com. “Today, there is significant experimental evidence that the quantum vacuum exists. I have decided to combine one reality (the quantum vacuum) with one hypothesis (the negative gravitational charge of antiparticles) and to study the consequences. The hypothesis of the gravitational repulsion between matter and antimatter is older than half a century, but before me no one has used it in the combination with the quantum vacuum. … The results are surprising; there is potential to explain [the Universe’s accelerating expansion] in the framework of the quantum vacuum enriched with the gravitational repulsion between matter and antimatter.”According to Hajdukovic, gravity in the quantum vacuum arises from the gravitational repulsion between the positive gravitational charge of matter and the (hypothetical) negative gravitational charge of antimatter. While matter and antimatter are gravitationally self-attractive, they are mutually repulsive. (This part is similar to Massimo Villata’s theory from part 1, in which negatively charged antimatter exists in voids rather than in the quantum vacuum.) Although the quantum vacuum does not contain real matter and antimatter, short-lived virtual particles and virtual antiparticles could momentarily appear and form pairs, becoming gravitational dipoles. “If particles and antiparticles have gravitational charges of the opposite sign, a sufficiently strong gravitational field can convert a virtual pair into a real one,” Hajdukovic explained. “It is not a new hypothesis but a consequence of the Schwinger mechanism, well known in quantum field theories.”In the new paper, Hajdukovic calculates that the energy density of the gravitational dipoles in the quantum vacuum is the correct order of magnitude to act as the cosmological constant, or the force causing the Universe’s accelerating expansion. While this agreement may not seem that remarkable at first, it becomes impressive in the context of the much less agreeable predictions of quantum field theory, which predicts the energy density of the quantum vacuum to be at least 30 – and up to 120 – orders of magnitude larger than the observed dark energy density. Hajdukovic’s calculations also estimate that the Universe’s expansion began accelerating when the Universe was about half of its present size, which is only slightly earlier than the prediction of standard cosmology. This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only.last_img read more

Voicestress software is put to the test

first_img Explore further (Phys.org) — Computer scientists working in a range of departments, from pervasive computing to mobile computing to sensors, will converge in Pittsburgh for the 14th International Conference on Ubiquitous Computing (Ubicomp 2012) on September 5 through 8. They will learn more there about a team’s software that can recognize stress from vocal patterns. The researchers wanted to see if they could successfully train a system to pick up stress through a person’s voice. Their paper, “StressSense: Detecting Stress in Unconstrained Acoustic Environments using Smartphones,” authored by Hong Lu, Mashfiqui Rabbi, Gokul T. Chittaranjan, Denise Frauendorfer, Marianne Schmid Mast, Andrew T. Campbell, Daniel Gatica-Perez, and Tanzeem Choudhury, details their success. Stress changes how people make decisions: study © 2012 Phys.org This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only. (a) the setup of the interview room. (b) the setup of data collection. Image from “StressSense: Detecting Stress in Unconstrained Acoustic Environments using Smartphones”, Hong Lu et al. Citation: Voice-stress software is put to the test (2012, August 22) retrieved 18 August 2019 from https://phys.org/news/2012-08-voice-stress-software.html “We propose StressSense for unobtrusively recognizing stress from human voice using smartphones,” say the authors, and they believe they can demonstrate that their StressSense classifier “can robustly identify stress across multiple individuals in diverse acoustic environments.”Their system is trained first to recognize someone’s unstressed voice. StressSense compares this recording to its preprogrammed knowledge of stress-caused physiological changes, such as faster speech and clipped frequency spectrum. The study authors, including Hong Lu of Intel in Santa Clara, California, found the prototype’s stress-recognition accuracy to be 81 per cent indoors and 76 per cent outdoors.Baseline voice rates for a group of people were gathered. According to their system, the person is told first to relax and read a three-minute passage from a book into the phone. Participants were subsequently placed in stressful job interviews to test the system. The study group totaled 14. Thirteen participants were undergraduate students in fields such as geology, psychology, biology, and law. One participant was a PhD student. Audio data was collected using Nexus One phones at 8kHz 16 bit PCM using a custom Android program that runs in the background, according to the paper.The researchers next plan to design, deploy, and evaluate a StressSense Android app. The inevitable question is what good will it do to be told by one’s own smartphone to chill out. The team is confident that the app carries real and practical benefits. Lu said the software has the potential to raise user awareness of stressful events and to help cope. The interest in voice analysis to recognize stress is not new. The study authors point to pioneering work in 1968 when amplitude, fundamental frequency, and spectrograms were analyzed for speech under task-induced stress . They also noted a body of research on stress detection from speech centered around the Speech Under Simulated and Actual Stress (SUSAS) dataset.“Evidence from experiments with SUSAS suggests that pitch plays a prominent role in stress. Other important features are those using energy, spectral characteristics of the glottal pulse, and phonetic variations (speaking rate) and spectral slope.”As for their own study findings, the team pointed out four contributions of their paper. They experimentally show that 1) stress from human voice can be detected using smartphones in indoor and outdoor conversational data; that 2) a universal stress model can be adapted to specific individual users; 3) a stress model can be adapted to unseen environments, lowering the cost of training stress models for different scenarios; and 4) the proposed stress classification pipeline can run in real-time on off-the-shelf Android smartphones. More information: publications.idiap.ch/download … /Lu_UBICOMP_2012.pdflast_img read more

First instance of ball lightning captured on video and spectrographs

first_imgSome scientific groups, including the Max Planck Institute, have reportedly produced a ball lightning-type effect by discharging a high-voltage capacitor in a tank of water. Credit: Wikipedia, CC-BY-SA-3.0-MIGRATED New insights into the one-in-a-million lightning called ‘ball lightning’ Journal information: Physical Review Letters More information: Observation of the optical and spectral characteristics of ball lightning, PRL, Accepted Monday Dec 16, 2013. prl.aps.org/accepted/ac07eY2cQ … 90317bc60f3d7e42e93cAbstractA ball lightning (BL) has been observed with two slit-less spectrographs at a distance of 0.9 km. The BL is generated by a cloud-to-ground lightning strike. It moves horizontally during the luminous duration. The evolution of size, color and light intensity is reported in detail. The spectral analysis indicates that the radiation from soil elements is present for the entire lifetime of the BL. (Phys.org) —Researchers in China have captured, for the first time, an instance of ball lightning, on digital video along with spectrographs. The accidental capture, detailed by the team in a paper they’ve had published in Physical Review Letters, offers proof that ball lightning does exist and because it was captured via spectrographs also, offers clues as to how it came to exist. This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only.center_img Citation: First instance of ball lightning captured on video and spectrographs (2014, January 17) retrieved 18 August 2019 from https://phys.org/news/2014-01-instance-ball-lightning-captured-video.html © 2014 Phys.org Explore further People have been reporting instances of ball lightning for as long as people have been able to communicate. But until now, because of their rarity no one has ever managed to capture one on tape—that the researchers also captured data on spectrographs only adds to the specialness of the event.The researchers report that they were not out to capture video of ball lightning, instead, they were video-taping lightning strikes as part of a genera research effort. As they were recording, a ball lightning event occurred right in front of their camera. They report that it came into being just off the ground, travelled for about five meters before rising slightly higher and traveling for another fifteen meters before disappearing. The entire event last just over a second and a half.More importantly, the researchers were also recording with spectrographic equipment which allowed them to discern the main elements that made up the ball. They found them to be iron, silicon and calcium, the very same main ingredients in soil.Back in 2000 James Dinniss and John Abrahamson suggested in a paper that ball lightning was likely a result of normal lightning striking the ground. The immense heat, they suggested would be enough to cause silicon oxide in the soil to vaporize—the shockwave from the bolt would then push the gas up into the air where it would begin to glow as it was oxidized in the atmosphere. Six years later Vladimir Dikhtyar and Eli Jerby created what appeared to be ball lightning in a lab by following up on the ideas expressed by Dinniss and Abrahamson. The information from the spectrographs captured by the Chinese team appears to back up the theory as well.The researchers that caught the ball lightning on video also reported that there was a slight anomaly—an intensity fluctuation at about 100 Hz, which they suggested may have been due to the influence of nearby power lines.last_img read more

Physicists design zerofriction quantum engine

first_img Journal information: Scientific Reports (Phys.org) —In real physical processes, some energy is always lost any time work is produced. The lost energy almost always occurs due to friction, especially in processes that involve mechanical motion. But in a new study, physicists have designed an engine that operates with zero friction while still generating power by taking advantage of some quantum shortcuts. Quantum engines must break down Explore further Scientists have devised a way to run a quantum cycle based on the use of quantum shortcuts to adiabaticity, where friction-like effects are quenched. Shown are the four steps of a quantum Otto cycle, where heat enters (exits) the working medium and those where work is performed by (done onto). Credit: A. del Campo, et al. ©2014 Nature Scientific Reports This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only.center_img The laws of thermodynamics successfully describe the concepts of work and heat in a wide variety of systems, ranging from refrigerators to black holes, as long as the systems are macroscopic. But for quantum technologies on the micro- and nano-scale, quantum fluctuations that are insignificant on large scales start to become prominent. As previous research as shown, the large quantum effects call for a complete reformulation of the thermodynamics laws.What a quantum version of thermodynamics might look like is not yet known, and neither are the limitations or possible advantages of the quantum devices that would be described by such laws. However, one intriguing question is whether it may be possible to build a reversible quantum engine—one in which the engine’s operation can be reversed without energy dissipation (an “adiabatic” process).In the new paper, the physicists have shown one example of a quantum engine that is “super-adiabatic.” That is, the engine uses quantum shortcuts to achieve a state that is usually achieved only by slow adiabatic processes. This engine can achieve a state that is fully frictionless; in other words, the engine reaches its maximum efficiency, while still generating some power.”Shortcuts allow us to ‘mimic’ what would be achieved by running a cycle quasi-statically, i.e., very slowly, while performing transformations at finite time,” coauthor Mauro Paternostro at Queen’s University in Belfast, UK, told Phys.org. “Now, consider for instance a compression or expansion stage of a cycle run using a piston. When doing it at finite time, i.e., non-zero velocity, friction might affect the performance of the transformation. Yet, by using a shortcut to adiabaticity, friction-like effects would get quenched, the cycle performance being the same as that of a quasistatic motor.”The work marks a step toward the key engineering goal in this context, which is to find the maximum efficiency allowed at the maximum possible power. As the scientists note, this pursuit is complicated by the existence of a trade-off between the running time of the super-adiabatic process and the corresponding amount of work dissipated.”This work is one of the first steps into the merging of quantum control and thermodynamics,” Paternostro said. “We have shown that it is possible to use techniques that, to date, have only been used for other goals (population transfer, for instance) for thermodynamic tasks and the engineering of efficient cycles.”Overall, the results suggest the possibility of a frictionless quantum engine operating at maximum efficiency, which has implications in designing micro- and nano-scale motors operating at the verge of the quantum scale. In the meantime, there are still several hurdles to overcome.”I think that the real challenge is the use of such techniques in interacting quantum many body systems, whose inherent complexity and rich phenomenology could be ‘tamed’ by the use of this sort of quantum control,” Paternostro said. “At the end of the day, thermodynamics is a theory of many particles, and its quantum formulation should be able to cope with many-body effects, whose control could hugely benefit from the implementation of schemes similar to the one proposed in our paper. We have new and exciting results, in this context, that will come up soon and that will hopefully have an impact in the community interested in many-body physics and quantum thermodynamics.” Citation: Physicists design zero-friction quantum engine (2014, September 16) retrieved 18 August 2019 from https://phys.org/news/2014-09-physicists-zero-friction-quantum.html More information: A. del Campo, et al. “More bang for your buck: Super-adiabatic quantum engines.” Scientific Reports. DOI: 10.1038/srep06208 © 2014 Phys.orglast_img read more

Archeologists unearth 3300 year old complex in Israel

first_img Explore further This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only. Initial examination of the ruins suggests the site was an ancient cult complex—a rather large one at that with side walls measuring up to 52×52 feet. Thus far archeologists have uncovered mask fragments (parts that covered the nose), connected cups (their purpose has yet to be discovered), scarabs (stone representations of the beetle typically used as an amulet) and very large vessels known as pithoi.The relics suggest the site was use as a cult complex, likely dedicated to the worship of a god, though the researchers can’t say with any certainty which one that might have been. The most likely candidate, they told the press recently, is the storm god Baal, who was worshiped by many Middle Eastern peoples during the time that the complex was active. Like many others, he was believed to be a fertility deity, one of the most important or popular of the time. Other gods have not been ruled out, including the war goddess Anat. Other evidence of worship was burnt animal bones, suggesting sacrificial rituals.The connected cups are particularly intriguing as examples of them have been seen before—the ones found at the new dig site are believed to have come from Syria, due to their design. Though there is scant evidence of their use or purpose, archeologists generally believe, the researchers report, that they were likely cultic objects. Because of the newness of the site, the artifacts have not yet been tested for residue analysis—the researchers are eager to find out what was held in the large pithoi, some of which were nearly as large as a full grown person—some at the site were sunken and some held smaller vessels inside of them.The site has not been fully excavated yet and leaders of the excavation team noted that unlike most other excavation efforts, digging at Tel Burna, including the newly found complex, can be conducted by amateurs if they are so inclined to help out. Archeologists unearth King David era temple near Jerusalem A team of archeologists working in Israel’s Tel Burna dig site have unearthed the remains of a large stone complex dating back approximately 3,300 years. Information about the finding was presented at the recent European Association of Archaeologists’ meeting held in Istanbul. Citation: Archeologists unearth 3,300 year old complex in Israel (2014, October 16) retrieved 18 August 2019 from https://phys.org/news/2014-10-archeologists-unearth-year-complex-israel.html © 2014 Phys.orglast_img read more

Best of who you can be

first_imgEk Nayi Pehchaan, a personality development programme, designed for women, is being organised in the Capital at Le Meridian on 21 September by AIS. The show will be inaugurated by Sharon Lowen, while the guest of honour will be Renu Shahnawaz Hussain.  Actress Surveen Chawla will grace the occasion with her presence.  The panel of speakers at the programme includes – Rina Dhaka (fashion designer), Laxmi Aggarwal (acid attack fighter), Sanjana Jon (fashion designer), Sminu Jindal (MD of Jindal SAW ltd.), Anjana Kuthiala (artist), Alka Raghuvanshi (art curator and artist), Ramon Lamba (Life Coach) and Alexshendra Venus Bakshi (writer). Also Read – ‘Playing Jojo was emotionally exhausting’Dhaka will be speaking on ‘power dressing’ a much talked about concept between women of all ages. Laxmi will speak on self-confidence as a tool to overcome all the odds and difficulties of life. At the same time, she will share some extremely motivating and realistic approach to self-confidence and how she overcame the most difficult phase in her life with a firm belief in her own ability, skills and experiences. Jon will throw light on ‘Celebrating Girl Child’ and have an interaction with people as how today, girls face discrimination in many parts of the world simply because of their gender. She aims to create awareness towards improving girl child sex ratio in our country and to ensure that every girl child is given a chance to outshine, by providing her proper education accompanied with basic necessities for her proper growth and development. Also Read – Leslie doing new comedy special with NetflixThese interactive sessions will not only bring out some rather untouched topics out but with that provide everyone with a way to overcome it and adapt with the changes. The event is a part of the initiative movement on ‘Indian Women Empowerment’ led by AIS. The initiative involves organising and conducting various multi-facet personality development workshops, specifically designed for women in India with sole aim to motivate and empower women. The first part of the movement was the workshop Liberalize with English held in the Capital. When: 21 September Where: Le Meridian, Connaught Place Timing: 1 – 4 pmlast_img read more

Shafqat mesmerises IITians

first_imgIIT Delhi in collaboration with IIT Delhi Alumni Association witnessed its Alumni Day with an inordinate success on December 28. The iconic event was honoured with the theme, Envision the Future Together, to strengthen the Alumni – Alma Mater bond and to explore ways to give back to the institute. Not only IIT Delhi but all IIT chapters across the world on the same day in accord with the main event memorialized the Alumni Day Event. The alumni day zealed with the riveting performance of the famous Pakistani singer Shafqat Amanat Ali and made the audience to dance on his magnificent performace.   Also Read – ‘Playing Jojo was emotionally exhausting’The IIT Delhi Dogra Hall was jam packed with his fans who danced to the tunes of his evergreen songs, Dildara, Phir Le Aya Dil, Mora Piya Mose, Mitwa and many more. The presence  of the classical singer filled the ambiance with a spirit of liveliness and positivity and it gave a vivacious closing to the Alumni day.  The Pakistani classical singer  expressed his pleasure of being at IIT Delhi Alumni Day and performing in front of such enthusiastic crowd. He came along with his masterly band who utterly made the evening breathtaking.  Alumni Day ensured the mix of fun, fundas, food and friends and made it a day to cherish for alumni and their families. Also Read – Leslie doing new comedy special with NetflixAddressing the guests IIT Delhi Alumni Association’s President, Ashok Kumar says, “We aimed to ingrain the Entrepreneurial DNA in our students/ faculty . The sessions focused on empowering industry partnerships on specific technology areas and how Alumni can collaborate with IIT Delhi to make meaningful innovations to create a feeling full impact on the society. We indebt our gratitude to Shafqat Amanat Ali for creating such a mellifluous environment and took all of us in his soothing musical path.”last_img read more

JU authorities urge students to end hunger strike

first_imgKolkata: Two of the 20 members of a students’ union of Jadavpur University who are on a hunger strike, over the past four days, in protest against the new admission procedure, have been hospitalised today, varsity authorities said. The authorities made a fresh appeal to them to withdraw the stir and called an emergency executive council meeting today. Registrar Chiranjib Bhattacharya said two students have been admitted to hospital and the varsity was concerned about the health condition of others. Also Read – Speeding Jaguar crashes into Merc, 2 B’deshi bystanders killed Accompanying the Registrar, Pro-VC Pradip Ghosh told the students, “I request all of you to withdraw the fast. We have already convened an emergency executive council meet to discuss the admission issue. The VC (Suranjan Das) and Chancellor (Keshari Nath Tripathi) have already requested you to withdraw the fast. Please do not endanger your lives.” Turning down their pleas, general secretary of Arts Faculty Students’ Union Debraj Debnath said, “There is no question of withdrawing our fast till the EC scraps the marks only criteria for admission process and brings back the admission process.” Also Read – Naihati: 10 councillors return to TMC from BJP Governor Keshari Nath Tripathi, who is also Chancellor of the university, had yesterday expressed concern over the health of the students. Vice Chancellor Suranjan Das had also urged the agitating students to call off their hunger strike. Debraj claimed that three students, including the assistant general secretary of the Arts Faculty Students’Union (AFSU) Ushashi, had to be hospitalised today but their condition was now stable. The AFSU said four students, including AFSU chairperson Somashree, had to be admitted to hospital. Around 20 members of the AFSU started a hunger strike on July 6, two days after the university announced that it would admit undergraduate students in English, comparative literature, Bengali, history, political science and philosophy on the basis of board marks, reversing its earlier decision to hold entrance tests The All Bengal University Teachers’ Association, JU chapter, in a letter urged the VC to end the impasse by taking the opinion of all the stakeholders and called for upholding the functional atutonomy of the institution. The governor, in a letter to the university, had also said that while the EC usually takes decisions on different issues faced by the university, the VC was empowered to take certain decision on his own, in case of exigencies. Jadavpur University has been embroiled in controversies since July 4, when the executive council announced its decision to scrap entrance tests for the six subjects. An hour after the announcement, the students had gheraoed the VC and other members of the executive council to protest the move. The gherao, which lasted for 30 hours, was followed by JUTA ceasework, class boycott and indefinite fast by AFSU members.last_img read more

Festive delicacies at offer

first_imgDecember is here and with it the preparations for the year-ending festivities are in full swing, with the city gearing up to indulge in various festive offerings that are in store for them. In order to celebrate the spirit of Christmas and to welcome New year in a gala way, the restaurants at The Imperial are offering special menus to cater to the festive induced spirits of the Delhiites. A larger than life Christmas tree installation, adoring the lobby of The Imperial, is bejeweled with copper and gold wires and is surrounded by clouds, stars, balls, birds, sparkling like diamonds and celebrating joie de vivre. The installation is designed by French artists to spread the message of peace, love and joy to one and all, this festive season. Designed by Prem Kumar Pogakula, the Executive Sous Chef at The Imperial, the Christmas treat along with plethora of packages and extensive menus compliments the festive occasion in style by offering a satiating experience. The celebration on the Christmas eve i.e. December 24  will include a Christmas eve dinner buffet at 1911 (all day dining restaurant). The exotic spread features Roast turkey, Brussel sprouts, etc; international cuisines with seafood, Indian, Tandoori  favourites and Italian specials, salads, desserts and cold cuts. A lavish Christmas Brunch will be organised on 1911 lawns on December 25, 2015 with Christmas carols wafting through the air arranged live at 1911 Terrace. A festive spread of global cuisines like Basil pesto marinated chicken, couscous stuffed tomatoes, grilled artichoke, etc will be put together with classic wines.  Also Read – ‘Playing Jojo was emotionally exhausting’La Baguette, the patisserie has a larger than life size Ginger-bread house on display filled with traditional Christmas goodies including mini gingerbread houses, chocolate Santas and angels, Christmas cookies, rich plum pudding and cakes etc.Christmas HampersWHERE: La Baguette, The ImperialWHEN: Dec 11, 2015 TIME: 10am to 10pmPRICE: INR 8000 plus taxes with wine and INR 6000 plus taxes without wineChristmas BrunchWHERE: 1911, The Imperial WHEN: December 25, 2015PRICE: INR 4500 plus taxes per personNew Year Eve Dinner BuffetWHERE: 1911WHEN: Dec 31, 2015PRICE: INR 5000 inclusive of taxes per personlast_img read more

CM to inaugurate new cultural centre in Cooch Behar

first_imgCooch Behar: A new cultural centre called Utsav will be inaugurated here on October 29 by Chief Minister Mamata Banerjee. Built at an estimated cost of Rs 14 crore, the new cultural complex has come up near the office of the District Magistrate.The air-conditioned auditorium has a seating capacity of 570 persons. There is a guest house and a conference room. On Thursday, Rabindranath Ghosh, state minister for North Bengal development, along with senior district officials including Bholanath Pandey, Superintendent of Police, inspected the site and held a meeting over the security arrangements. Ghosh said that final touches are being given to the building. The Chief Minister will come to the district and attend an administrative meeting on October 29, when she is likely to open the auditorium. On October 30, she will address a meeting at Rashmelar Math and will distribute the benefits of various social security schemes among the people.last_img read more

EC orders repoll in Jorasanko Assembly segment

first_imgKolkata: Repolling will take place at booth number 200 of Jorasanko Assembly segment under Kolkata North Parliamentary constituency. This is the only booth where re-polling will take place.North Kolkata constituency went to polls in the last phase on May 19. The Election Commission after decided to conduct repoll after going through various reports. The Opposition parties demanded re-poll at various booths across the state that went to polls during the last phase. Also Read – Rs 13,000 crore investment to provide 2 lakh jobs: MamataAfter considering all aspects the Commission ordered a repoll at booth 200. Various political parties including the Trinamool Congress moved to the Election Commission urging them to conduct a repoll in various booths under Bhatpara Assembly constituency where by-election happened on the day of seventh phase of Lok Sabha elections. Trinamool Congress candidate from Bhatpara Madan Mitra urged the Election Commission to conduct re-poll in at least five booths that had seen a reign of terror on the day of election, as alleged by Mitra. He also alleged that former TMC MLA from Bhatpara Arjun Singh who is now contesting from Barrackpore Lok Sabha seat on BJP’s ticket masterminded the incidents of violence. The Election Commission rejected their appeal and ruled out Mitra’s demand.last_img read more

TMC members protest against disinvestment in Rajya Sabha

first_imgNew Delhi: Trinamool Congress members in Rajya Sabha on Monday sought to disrupt proceedings of the House by entering the well and raising slogans to protest disinvestment of public sector companies. Some TMC members, including Derek O’Brien and Sukhendu Sekhar Roy, were also on their feet and repeatedly asked the Chair to permit them to raise the issue of disinvestment of state-run firms during the Zero Hour. Chairman M Venkaiah Naidu did not allow them to raise the issue, saying members should not resort to such measures to raise issues and that he would not succumb to pressures. Also Read – Rs 13,000 crore investment to provide 2 lakh jobs: Mamata Naidu, however told TMC members he would allow them to raise the matter only if there is time left. TMC members continued to raise slogans but the Chair said nothing of that sort would go on record. Some members of the ruling BJP too were seen responding to the sloganeering of TMC members. Just before the House adjourned for lunch, Naidu cautioned members not to enter the Well and use such measures to press for their demands. The last session of the Rajya Sabha, held before the general elections, had witnessed several adjournments due to protests by opposition parties. Also Read – Lightning kills 8, injures 16 in state However, the current Budget session has not witnessed any major protest by opposition parties. Members raise important issues of public interest during the Zero Hour after the Chair permits them to do so. Earlier, the issue of rejection of two bills by the President of India, which were sent to his office in 2017 by the Tamil Nadu government, to exclude the state from the National Eligibility-cum-Entrance Test (NEET) was raised. Arch rivals in Tamil Nadu — AIADMK and DMK — lodged their protest against the rejection of the bills. A Navaneethakrishnan (AIADMK) and Tiruchi Siva (DMK) lodged protests on behalf of their parties. DMK members also staged a walkout. In his Zero Hour mention, Rewati Raman Singh (SP) highlighted the situation in the country due to deficient rainfall. He said 18 states have been hit by deficient rains and it would badly affect paddy sowing.last_img read more

Mamata tells TMC MLAs to nurture their constituencies

first_imgKolkata: Trinamool Congress supremo Mamata Banerjee instructed her MLAs to stay in their constituencies for all the seven days throughout the week and secure permission from the party before undertaking any foreign trip.She met the MLAs at Trinamool Bhavan to prepare a roadmap to be followed for 2021 Assembly elections on Thursday afternoon. “You will have to stay in your constituencies and work for all the seven days. In case any MLA wants to go on a foreign trip, he or she will have to take permission from the party,” she said to her colleagues. Also Read – Rs 13,000 crore investment to provide 2 lakh jobs: MamataShe also spoke to political strategist Prashant Kishor and Trinamool Youth Congress president Abhishek Banerjee separately. The team should comprise two booth-level workers, one social media activist and a district-level functionary. “The party would prepare a data-base of such team members with their photos and telephone numbers. The party higher-ups would directly get in touch with the team to know developments in the constituency, including grievances and misgivings of the voters,” she said. Also Read – Lightning kills 8, injures 16 in stateThe MLAs have been asked to give names of the workers who will be deputed for the purpose within July 18. Banerjee said the district leaders should not come to Kolkata all the time, but instead stay rooted in their districts in order to establish good mass contacts. “Spend more time in local tea stalls to understand the people’s pulse. Try to devise novel ways of mass contact,” she added. Banerjee further maintained that the MLAs should speak to the locals and seek apology for their mistakes. “Go to the people and talk to them. Tender apology for the mistakes. Don’t ignore the people,” she said, adding “Listen to what they have to say.” In her 25-minute address, Banerjee urged the MLAs not to run away from their constituencies if some untoward incident has taken place. “You will have to face trouble but try to avoid confrontation with the Opposition leaders,” she said. It may be mentioned that after the results of the general election, many MLAs did not face the problems that came up in their constituencies. This had happened mainly in North Bengal where the Trinamool Congress could not bag a single Lok Sabha seat. In the past one-and-a-half months, several incidents took place in which BJP workers had gheraoed TMC MLAs and even smashed their vehicles. Instead of facing the crisis, they had fled the area. Banerjee also urged the MLAs not to carry out loose talk with media persons.last_img read more

Apocalypse now Cubs force World Series Game 7 tonight

first_imgChicago slugger Anthony Rizzo added a 2-run homer in the 9th to increase the Cubs’ lead to 9-2.The only strategic victory for Cleveland on the night came after the Indians scraped together 2 runs to draw to 7-2.  The score prompted joe Maddon to call on reliever Aroldis Chapman in the 7th inning, his second appearance in two games. Chapman went 1 1/3 last night, and shockingly re-appeared for the 9th, before being pulled. The long appearance in Game 6, calls into question his availability for Game 7, and has brought criticism on Maddon for using him so extensively in a game that was seemingly out of hand.Game 7 of the World Series, and baseball armageddon is tonight in Cleveland. For one of the two fan bases, “next year” will finally be here. For the other, it will be the worst case of “that feeling” they’ve ever experienced. Tonight. Game 7 of the World Series. One of two fan bases that have only known losing will experience the euphoric joy of the elusive feeling of rooting for a champion. The other will be forced to confront how another one slipped through their fingers. One downtrodden baseball franchise will become a world champion tonight. For the other, the losing will cruelly continue.Last night in Game 6, the Cubs jumped out to a 3-run first inning lead on Indians starter Josh Tomlin. The harbinger of the evening came when Cleveland center fielder Tyler Naquin and right fielder Lonnie Chisenhall played “I got it, you got it”, and let an Addison Russell blooper innocently fall between them. The misplay scored two, and handed Cubs starter Jake Arrieta a 3 run lead to start the game.RT Cubs: .Addison_Russell’s historic night. #FlyTheW pic.twitter.com/qMNPjhQMC6 #Cubs #ChicagoCubs #MLB— Chicago Cubs FanClub (@fanschicagocubs) November 2, 2016 Addison Russell delivered the Game 6 death blow when he emptied the bases with a 4th inning grand slam to give Chicago a 7-0 lead, and effectively ended the game. He had 6 RBI on the night.Need some offense? How about a #WorldSeries GRAND SLAM?! @Addison_Russell & the @Cubs force Game 7. pic.twitter.com/KdjkKuh5Un— #Game7 (@MLBONFOX) November 2, 2016center_img Advertisementlast_img read more

VIDEO MIT student invented a device that lets him Google using only

first_imgIt’s hard to imagine technology being integrated into our lives more than it already is, but inevitably it will be. One futuristic piece of tech was featured on last night’s 60 Minutes, which traveled to MIT and saw the latest projects from its media lab that invented the original touchscreen.The most impressive – or disturbing – device featured was easily the headset created by Arnav Kapur that allows him to search the internet using only his mind. Kapur silently Googled questions asked by Scott Simon and received the answers through vibrations transmitted through his skull and into his inner ear.Not only does he get every answer right without ever actually asking the questions, he also ordered some food for the production staff. Maybe this could be useful after all.Arnav Kapur, a student in MIT’s Media Lab, has developed a system to surf the internet with his mind. He silently Googled our questions and heard the answers through vibrations transmitted through his skull and into his inner ear. pic.twitter.com/aN76Jn4AHv— 60 Minutes (@60Minutes) April 22, 2018 Advertisementlast_img read more

Are You Up for a Vista Upgrade

first_imgJanuary 18, 2007 8 min read Opinions expressed by Entrepreneur contributors are their own. Vista has superior security features and account protection. Go Vista! Though Vista has an improved media center, it’s only built into the Home Premium and Ultimate editions. Vista offers improved networking and wireless capabilities. Growing a business sometimes requires thinking outside the box. Vista’s improved security features could also be seen as a con since Vista repeatedly asks users for input when performing routine tasks. If users see this as a nuisance, they could turn the feature off entirely and reduce the security of Vista. The average user could also be tempted to enable things that shouldn’t be enabled and vice-versa. Vista’s security enhancements also make it more difficult to run some forms of software. XP has a more familiar, well-known interface that users have become accustomed to. Stick with XP Free Webinar | Sept. 9: The Entrepreneur’s Playbook for Going Global Vista’s multimedia and entertainment support are a step above XP. Vista boasts a more sophisticated interface and enhanced search tools. The interface includes Live Taskbar Thumbnails that allow you to mouse-over a taskbar button and see a live preview of the application window, in addition to Sidebar gadgets that display important information. Amidst delays and some initially negative buzz, Microsoft’s new operating system, Windows Vista, is on its way to a store shelf near you come January 30. Though it was already released to businesses that had volume license agreements with Microsoft in November last year, this will be its first worldwide release. It’s the first major upgrade to the Windows OS since Windows XP back in 2001.When I began researching Windows Vista, I discovered that my limited computer knowledge kept me from fully comprehending the pros and cons. Most of the articles I found were geared more toward tech-savvy, computer experts eager to test out the new product.So I contacted several tech pros to break down the information into user-friendly terms that can be applied to the way entrepreneurs and small-business owners do business. My team of technical gurus includes Preston Gralla, author of Windows Vista in a Nutshell, and Singu Srinivas and Michael Wexler, co-founders of HiWired, a services and support company for small businesses and consumers.Understanding Windows VistaSo what sets Windows Vista apart from its predecessors? For starters, it boasts a higher-level of security, a more sophisticated interface, better search tools and improved network and wireless capabilities.The team of technicians at HiWired found that overall, they like the new look and feel of Vista. They spoke highly of its consumer-oriented security, which includes such features as parental controls that make it a safer OS for the family, which is extremely nice if you have a home office. Gralla agreed that the security features are critical. “As a small-business owner,” he says, “you’re on your own to a great extent. So security is really important, and Vista’s is built into the guts of the operating system itself.”Gralla was particularly impressed by the security surrounding Internet Explorer on Windows Vista, pointing out that extra protection was built into it in the form of a phishing filter. When you come across a scam website, the new system will most likely be able to identify it and warn you before you proceed with your transaction.The security features also help create a safer network for your company. “Windows Vista is extremely good if you’re setting up wireless networks,” Gralla says. “You can do it far easier than any system before, and you can do it more securely. If mobile computing is vital to your business, Gralla points out that Vista laptop users on the go will have a safer connection to multiple networks when using their laptops at cafes, airports or other network hotspots.Vista’s new search feature is also a positive change from Window’s XP: It’ll save you a lot of time and effort when trying to locate lost files. “The search is now built directly into the operating system at every level, and it’s extremely easy to find anything–it happens lightening fast,” Gralla says.There are definitely some pros for Windows Vista, but what about the cons? While the increased security sounds great in theory, what about the recent rumors about hackers trying to break down Vista’s barriers? Based on Microsoft’s questionable history of hackers being able to break into its operating systems, Wexler says he’s almost certain Vista will be no different. Though Vista was built to be more secure than XP and other previous versions of Windows, it will always be vulnerable to attack.Making the UpgradeBefore you consider upgrading to Vista, Srinivas recommends asking yourself whether you have the right hardware and a configuration that will allow it. Surprisingly, Srinivas claims that only a relatively small percentage of the population will be able to immediately answer yes. (Srinivas says that only about 20 percent of HiWired’s clients have the key elements needed to install Vista and operate it effectively.) Wexler recommends checking Microsoft’s specific guidelines for the minimum requirements needed to run the new operating system before you purchase it.When HiWired’s seasoned technicians attempted to upgrade from XP Pro to Vista, they spent as much as six hours getting it configured. Wexler and Srinivas recommend that if you do decide to upgrade your current machine to Vista, the best way to do it is to erase everything on your PC and start from scratch.According to Gralla, there’s really no clear-cut answer as to whether you should upgrade. It really comes down to whether your company would benefit from Vista’s key components, such as the increased security, improved search options and new networking features. “Look at how much it’ll cost to upgrade the hardware,” Gralla suggests, “then decide if it’s worth it to get that extra bit of security and easier networking.”If you do decide Vista’s features are worth the upgrade, the next step is to choose the right version. Microsoft offers four versions: Windows Vista Home Basic, Home Premium, Business and Ultimate. How do you know which is right for you? Check out our Windows Vista Upgrade Guide for a quick-hitting look at all the key points and a comparison between Vista and XP.The Bottom LineIf you’re unsure about upgrading, Gralla suggests testing the waters by upgrading just one computer in your office as your test machine. Then see how it works over a period of time–if you like what you see, expand it to the other computers in your office.Wexler says he and Srinivas are telling most of their customers to skip the upgrade and stick with their XP machine for now. Then, when they’re ready to upgrade in a year or so, they can buy a fully loaded Vista machine. “By that point,” Wexler says, “they’ll be on the second or third patch of Vista and you’ll get a new Vista machine that’s even better than today’s Vista machine.”But what about Wexler’s customers who need to upgrade now? Wexler’s pretty adamant about his response: “We say absolutely get a Vista PC.”Down to the DetailsWe asked our Vista experts to name the best version of Vista for the following group of entrepreneurs:1- to 2-Person Office: Either Ultimate or Business. If the small office doesn’t have a need for the most stringent security, the Business edition will suffice. However, if the company is dealing with sensitive records or patient data, for example, Ultimate’s Bitlocker will provide the higher level of security necessary. Do keep in mind, however, that the Business edition doesn’t include the Windows Media Center, so if photos and entertainment are important to your business, you may want to upgrade to Ultimate.Laptop Users: Ultimate. Since laptops are more likely to be stolen, the Ultimate version is best because of its security features. And since many laptops perform double duty for both work and entertainment purposes, Ultimate’s additional multimedia capabilities would be a nice perk.10-or-More-Person Office: Either Ultimate or Business. If the company has more than 10 employees, it may be eligible to enter into a multi-volume licensing agreement with Microsoft and receive the Enterprise version of Vista. This version has special features that would most likely overwhelm a small business but could benefit a larger company.Windows Vista vs. Windows XPSo what exactly are the differences between Vista and XP? Read on as we break down the facts. Vista requires more up-to-date (read: expensive) hardware than XP, including a processor with a speed of 800 MHz or better, 512MB of system memory and a graphics processor that’s DirectX 9 capable. Register Now »last_img read more

The Signatures of 25 Tech Titans and What They Say About Their

first_imgMay 22, 2015 Big, bold and bossy. Small, simple and subdued. From elegantly styled to illegibly chicken-scratched, there are as many different types of signatures as there are people and some say how we sign our names speaks volumes about who we are and what we care about.If you follow today’s top entrepreneurs and you’re curious about graphology — the controversial practice of analyzing the physical attributes of a person’s handwriting to deduce their personality traits — then you might get a kick out the John Hancocks of some of the world’s most successful tech titans.    Related: This Handy Robot Holds a Pen and Writes Exactly Like You DoWhether or not their autographs are accurate expressions of their personalities is up for debate, but it’s fun to guess. Plus, it’s #TGIF and, doggonit, you deserve a #FridayFunday diversion. From Xerox’s Ursula Burns to Facebook founder Mark Zuckerberg, care of myprint247, here are the signatures of 25 tech heavyweights and what they might — or might not — say about them:Click to EnlargeRelated: What Your Handwriting May Reveal About Your Confidence, Creativity and Health (Infographic) Free Webinar | Sept. 9: The Entrepreneur’s Playbook for Going Global 1 min readcenter_img Register Now » Growing a business sometimes requires thinking outside the box.last_img read more