JVC´s “Snap & Gesture” TV menu (left) and Sony Ericsson´s Z555 gesture phone (right) are poised to make hand waving the new mode of electronics operation. Sony´s Z555 allows cell phone users to avoid fiddling with their phones when trying to turn off the ring of an incoming call or alarm. Instead of picking it up and searching for the silent button, users can mute the phone by waving a hand back and forth over the phone thanks to an imbedded camera. A simple hand sweep over the phone will put the device into “snooze” mode when the alarm goes off. The Z555, which features a diamond design on its black cover, will be available in select markets this spring, but the price is still to be determined.Then there´s JVC´s “Snap & Gesture” TV, which ensures that you´ll never lose the remote again. The TV, which is still in the demo stage, contains a microphone to detect clapping, a video camera to recognize finger movements, and a set of sensors that can help the system memorize customized gestures.To control the TV, a user claps their hands three times to make a menu with icons appear. The user can choose an icon by placing their fingertip on it, which is verified by an image of the user´s hand on the screen, as tracked by the camera. By hooking their finger, the user “clicks” to select an icon. On the menu screen, users can select channels, manage the set-up, and do everything a remote control can do using hand waves, claps or finger snaps.For more immediate control of common operations, such as changing the volume, users can clap a certain way. The system can also be programmed so that specific clapping patterns result in going to specific channels (for example, two claps means switch to Comedy Central). JVS does not have an expected release date for the “Snap & Gesture” TV.Via: Business Intelligence – Middle East Explore further The days of pressing tangible buttons to operate TVs and cell phones may one day be replaced by waving, clapping, and pointing. With two upcoming products, Sony Ericsson´s Z555 gesture phone and JVC´s “Snap & Gesture” TV technology, users can communicate with their gadgets using a pre-programmed “sign language.” Citation: TVs, Cell Phones to Learn ‘Sign Language’ (2008, January 13) retrieved 18 August 2019 from https://phys.org/news/2008-01-tvs-cell-language.html UK plan to control online porn is watched as test case 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.
(PhysOrg.com) — With the release of the Intel Core i7, there is excitement every where about overclocking records being broken. The ASUS Rampage II Extreme motherboard supports the newest Intel platform and has achieve a overclocking at 5510.9 MHz. The Rampage II Extreme motherboard utilizes a TweakIt tool that resembles joystick like control on the motherboard. This tool enables users to make real time changes to their system´s core frequency, voltage as well as other parameters. All these changes are hardware parameter changes and is not software dependent.The hardware tweaking is accompanied by real-time monitoring of information such as system frequency, that lets users implement on-the-fly modifications during CPU testing to archive high benchmark performance. © 2008 PhysOrg.com Citation: ASUS Rampage II Extreme Motherboard Set i7 Overclocking Record (2008, December 4) retrieved 18 August 2019 from https://phys.org/news/2008-12-asus-rampage-ii-extreme-motherboard.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.
(PhysOrg.com) — A federal watchdog agency has warned the U.S. Congress that the GPS system could start failing in 2010 and beyond. Due to delays in launching replacement satellites and other circumstances, the GPS systems risk the possibility of blackouts and failures starting next year. As old satellites start to fail in 2010, the overall GPS constellation will fall below the number of satellites required to provide the level of GPS service that the U.S. government commits to. This will come to reality if the Air Force does not meet their schedule for the deployment of GPS IIIA satellites.The latest GPS satellite program is already $870 million over budget and there are significant technical problems that could still threaten its delivery schedule. There are about 30 GPS satellites that are in orbit now. The new satellites in the IIF block are three years late, and the first of them won’t be launched until November at the earliest. Other factors such as the lack of a single authority responsible for GPS, have contributed also to the delays. A GAO (Government Accountability Office) report recommends that the Department of Defense appoint a single authority to direct all development of GPS systems on the ground and in space. As we all know the GPS is widely used by business and consumers in many modern automobiles that show or even tell drivers where they are and remind them when and where to turn to get where they’re going. Owners of the Apple 3G iPhone use the GPS service to call up a map on the screen and see exactly where they are.The Global Positioning System (GPS) is reliable, and free to the public and is taken for granted, but don’t throw away those maps from the glove compartment just yet, since it’s uncertain for how long the U.S. government can continue to deliver.© 2009 PhysOrg.com 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. First Modernized GPS Satellite Built By Lockheed Martin Launched Citation: GPS System Could Start Failing by Next Year (2009, May 20) retrieved 18 August 2019 from https://phys.org/news/2009-05-gps-year.html Explore further
More information: Mitsuru Nagasono, et al. “Observation of Free-Electron-Laser-Induced Collective Spontaneous Emission (Superfluorescence).” Physical Review Letters 107, 193603 (2011). DOI:10.1103/PhysRevLett.107.193603 (PhysOrg.com) — While physicist Robert Dicke is probably most famous for his work on the cosmic microwave background (CMB) – and being “scooped” while attempting to be the first to detect it – he also performed important work in optics. In 1954, Dicke was the first to describe the phenomenon of “superradiance,” the coherent radiation that is so intense and emitted so rapidly that he described it as an “optical bomb.” Although he originally thought the phenomenon involved only microwave radiation, it was later found to occur at much shorter wavelengths, and so has been renamed “superfluorescence.” More than 50 years later, scientists are still developing new techniques for producing superfluorescence. In a recent study, a team of scientists based in Japan has observed superfluorescence by collectively exciting helium atoms with a laser operating in the extreme ultraviolet (EUV) region. This photograph shows a flash of the 501.6 nm superfluorescence that the researchers observed. Image credit: Nagasono, et al. This cartoon description of superfluorescence was created by the Japanese science manga artist Hayanon. Explore further While the researchers here used FEL pulses in the EUV region to generate superfluorescence in the visible region, they predict that it should be straightforward to extend the technique to generate superfluorescence in the EUV and X-ray regions by choosing appropriate pulse wavelengths and atomic systems. While neutral gas atoms were used as the system in this study, positive ions, nanoparticles, clusters, or solid targets could prove suitable for extension to shorter wavelengths.As Nagasono explained, superfluorescence at short wavelengths could lead to a route for solving some of the problems of the SASE (self-amplification by spontaneous emission) process used by FELs. The pulses from SASE FELs have profiles that are “spiky” in wavelength and time, vary shot by shot, and are not fully temporally coherent.“As well as the interest in observing (for the first time) superfluorescence at shorter and shorter wavelengths, superfluorescence is potentially a fully coherent light source in its own right,” Nagasono said. “Laser-like light sources in the X-ray wavelength region are a ‘holy grail’ of modern science. All current and under-construction FELs rely on the SASE process, offering high spatial coherence, but only partial temporal coherence. In contrast, superfluorescence is fully coherent, and we envision potentially using it to provide fully coherent pulses at particular X-ray wavelengths.”He added that superfluorescence in the EUV and X-ray regions could have several research applications.“Potential applications could include determining element-specific atomic densities in, for example, X-ray coherent imaging,” Nagasono said. “Also, since superfluorescence is strongly directional, it may offer a way of increasing sensitivity in X-ray fluorescence spectroscopy analyses. In standard techniques, the X-ray fluorescence is emitted over a large range of angles, and only a small fraction of it can be detected. With superfluorescence, the emission is concentrated into the forward (and possibly backward) directions and can potentially be fully detected – increasing the sensitivity by orders of magnitude.” In the new study, the researchers demonstrated that an FEL operating in the EUV region can be used to irradiate and excite helium atoms, causing them to collectively decay and emit superfluorescence in the visible region. In their experiments, the researchers pumped helium gas through a pulsed nozzle into a cell within a vacuum chamber. The nozzle’s pulses were synchronized with FEL pulses that entered the cell through one aperture and exited through a second aperture along the same axis that ran through the center of the cell. Looking through a viewport in the vacuum chamber containing the cell, the researchers could observe visible radiation emitted in the direction of the FEL pulses. Using a fiber-optic spectrometer, the researchers measured the wavelength of the radiation to be 501.6 nm (in the bluish-green part of the visible spectrum). Their measurements also showed the superfluorescence to have a high intensity (up to 1011 photons per pulse) and short pulse duration (on the order of picoseconds). Citation: Researchers take first steps toward X-ray superfluorescence (2011, November 14) retrieved 18 August 2019 from https://phys.org/news/2011-11-x-ray-superfluorescence.html Proposed gamma-ray laser could emit ‘nuclear light’ Copyright 2011 PhysOrg.com. All rights reserved. This material may not be published, broadcast, rewritten or redistributed in whole or part without the express written permission of PhysOrg.com. The scientists, led by Mitsuru Nagasono from RIKEN/SPring-8 in Sayo, Hyogo, Japan, have published their study in a recent issue of Physical Review Letters.“Our work represents the first step towards generating X-ray superfluorescence using an X-ray free-electron laser (FEL),” Nagasono told PhysOrg.com. “This is one of the first demonstrations of a quantum optics effect at wavelengths outside (shorter than) the visible wavelength region. Effects in quantum optics have revolutionized science and applications in the visible region, and have potential to do so again as they are extended first to the EUV region and eventually to X-rays.”Superfluorescence is a quantum phenomenon that occurs after incoming light irradiates an ensemble of atoms. After the atoms become excited, they collectively decay and collectively emit superfluorescent light. (In normal fluorescence, the incoming light also irradiates an ensemble of atoms [or ions or molecules], but their decay results in individual emission, rather than collective emission, of light.) As a result, superfluorescent light is much more intense than fluorescent light, particularly when a large number of atoms decays at once. Journal information: Physical Review Letters 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.
SEM images of the Tunguska diamond-lonsdaleite-graphite intergrowths with natural rounded surface. Credit: Planetary and Space Science, http://dx.doi.org/10.1016/j.pss.2013.05.003 Explore further (Phys.org) —A team of researchers with members from the U.S., Germany and Ukraine is claiming in a paper they’ve had published in the journal Planetary and Space Science, that they have found evidence to prove the Tunguska event was caused by a meteor that exploded in the atmosphere above the Russian plain. Citation: Researchers claim reexamination of rock samples confirms meteoritic origin of Tunguska cosmic body (2013, June 12) retrieved 18 August 2019 from https://phys.org/news/2013-06-reexamination-samples-meteoritic-tunguska-cosmic.html Journal information: Planetary and Space Science © 2013 Phys.org Russian researcher claims to have found rocks from object that caused Tunguska explosion The Tunguska event was, of course, an explosion that occurred in a remote part of Siberia in 1908. Most scientists agree that it was caused by either a meteor or comet strike, and as such, was the largest to ever strike our planet in recorded history. The blast flattened thousands of acres of forestland and led to numerous research efforts to determine its cause. Due to the immense power of the blast however, no physical evidence of the source of the blast has ever been found. Now, however, the researchers in this new effort claim they have found proof that some rocks found by a Ukrainian scientist back in 1978 are remnants of the meteor that caused the massive explosion.The rock samples were found in a bog by Mykola Kovalyukh near the epicenter of the explosion—he claimed at the time that his samples offered proof that the explosion was caused by a meteor. Critics dismissed his claims however, because the rock samples contained too little iridium.Picking up where Kovalyukh left off, the new team working in the Ukraine used more modern tools to reexamine the stone samples. They claim that transmission electron microscopy has revealed finely veined iron-based minerals that include schreibersite, troilite and taenite, an iron–nickel alloy. They say the patterns and amounts of the materials in the rock samples are very similar to other known meteorite samples and thus, it is a near certainty that the samples found in the bog came from a meteor as well.Despite the team’s claims that they have identified the cosmic body that caused the Tunguska explosion, there is still one big problem—though they may have proved the rock samples they examined are in fact remnants of a meteor, they have no proof that the sample rocks came from the same meteor that caused the massive explosion. Because Kovalyukh didn’t collect peat samples from the bog where the rocks were found (to provide a means of dating) there is no way to prove that the sample rocks—meteor remnants—didn’t land in the bog sometime after the explosion. More information: New evidence of meteoritic origin of the Tunguska cosmic body, Planetary and Space Science, dx.doi.org/10.1016/j.pss.2013.05.003via Nature News 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.
Fabrication stages and SEM image of the quantum-dot-based LED. Credit: Müller et al. Published in Nature Communications. © 2018 Phys.org Explore further More information: T. Müller et al. “A quantum light-emitting diode for the standard telecom window around 1,550 nm.” Nature Communications. DOI: 10.1038/s41467-018-03251-7 The researchers, Tina Müller et al., at Toshiba Research Europe Limited, the University of Sheffield, and the University of Cambridge, have published a paper on the new quantum light source in a recent issue of Nature Communications.”For the first time, quantum devices can meet the fundamental requirements of state-of-the art quantum key distribution and quantum communication systems,” Müller told Phys.org.The ability to emit single photons and entangled photon pairs in the telecom window has been a goal in the field of quantum optics for a long time. Although a variety of different light sources exist that can emit single and entangled photons (from individual atoms to color centers in diamond), until now they have been largely limited to shorter wavelengths that are unsuitable for quantum network applications.In the new study, the researchers fabricated light-emitting quantum dot devices based on indium phosphide, a material that is currently used in quantum dot lasers to generate laser light with a 1550-nm wavelength. To enable this material to emit single photons and entangled photon pairs at this wavelength, the researchers used a growth method called metalorganic vapor phase epitaxy to grow individual indium phosphide quantum dot “droplets,” which form the basis for the quantum LEDs. Another advantage of the new quantum LEDs is that they can operate at temperatures of up to 93 K, which is significantly higher than the operating temperatures of other quantum light sources. A higher operating temperature allows for easier integration with existing devices, and the researchers expect that the operating temperature of the new devices could be improved even further with some modifications.Going forward, the researchers anticipate that the new quantum LEDs will have a significant impact on the development of quantum network technology, including the quantum internet. For example, the devices can be integrated with quantum relays and repeaters to extend the range of quantum networks. The researchers also expect that the quantum light sources can operate in pulsed mode when integrated with radio frequency electronics. Their next steps will be to make improvements in order to realize these applications.”We will further optimize the performance and size of our devices to facilitate integration in long-distance quantum communications systems,” Müller said. Citation: Entangled LED first to operate in the telecom window (2018, March 9) retrieved 18 August 2019 from https://phys.org/news/2018-03-entangled-telecom-window.html Researchers have demonstrated the first quantum light-emitting diode (LED) that emits single photons and entangled photon pairs with a wavelength of around 1550 nm, which lies within the standard telecommunications window. A single-photon source that operates at this wavelength is expected to serve as a key component in future quantum networks, long-distance quantum communication systems, quantum cryptography devices, and other applications. 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. Toward unbreakable encrypted messages Journal information: Nature Communications
PN Mishra, the executive director of Ansal API group, has had a long and illustrious career. In a freewheeling interview with Millennium Post, he reveals all about new projects and more. Here are excerpts: Tell us about your journey…Before joining Ansal API Group in 1998, I worked in diverse fields. I joined Allahabad University as a lecturer after completing my studies in hydro dynamics, worked with DRDO and thereafter I was selected by the Public Service Commission and joined the Civil Services in Uttar Pradesh where I worked as vice president, Ghaziabad Development Authority managing urban development. While working as a civil servant, I studied development of huge townships in the Bartlett School of Planning and Architecture, London. Also Read – ‘Playing Jojo was emotionally exhausting’What are the major projects Ansal API is currently involved in?At the moment Ansal API is working on two huge projects in Uttar Pradesh. One is in Lucknow which is already taking shape (Sushant Golf City). This township is being developed as a hi-tech residential township spread across 3,500 acres and is surrounded by an 18-hole international-standard golf course. It has golf villas, schools, institutions, malls and commercial space to meet every need. Also Read – Leslie doing new comedy special with NetflixThe second hi-tech township is being developed near Dadri, UP and then there are several integrated townships that we are working on in Agra, Meerut and Ghaziabad.Ansal API is dedicated to develop self-sustaining townships that are environment friendly. Rain water harvesting is key for all our townships. Natural resources are judicially used and preserved in their natural form and sewer lines are properly treated. We believe that power, drinking water and security are three basic things that a person needs to live and we provide that 24X7. What are your plans for the hospitality sector?These are allied activities. Like, in Lucknow, we are developing an 18-hole golf course in collaboration with a chain of five-star hotels. Golf today is an international sport which attracts many tourists. So if we organise a golf tournament of international stature, the hotels are bound to be filled.Also, these hotel chains are a way of creating employment. So while our projects are meant to provide the experience of living the good life; creating employment is also a big part of our townships.What are Ansal Group’s corporate social responsibility initiatives?Under the leadership of our Chairman, Sushil Ansal, Ansal API Group is continuously involved in several CSR initiatives. The Chiranjiv Charitable Trust, set up in 1976, currently runs schools in Palam Vihar and Sushant Lok in Gurgaon and has over 6,000 students. Ansal Institute of Technology (AIT) in Gurgaon has been running since 2000 in collaboration with many international universities.We also support NGOs like Shanty Sahayog and Ila Trust in their healthcare programmes in and around Delhi for the last five years by providing free medical treatment and medicines. In order to encourage Hindi writers and literature, Ansal API Group has been supporting the literary organisation Samvad .What is your take on farmers opposing the new Land Acquisition Rehabilitation and Resettlement Bill?The bill has already been implemented by us in the form of a workshop. We have purchased more than 3,000 acres of land in Lucknow without any litigation or acquisition, and neither have we faced any farmer’s ire as we treat them as our partners. As far as hi-tech township policies are concerned, we have not faced any trouble from the farmers’ side in UP either.What are the changes that you have seen in the real estate sector and how do you foresee the development in this industry?Our country has grown at a rapid pace and is on the path of becoming a world-class destination.India’s asset lies in today’s youth. As a developing nation, our effort should be to transform them into well-educated individuals in order to accomplish greater goals and this can only be achieved by strengthening our education system. There is a dire need to create centres of excellence and invest time and money in researches to come out with more innovations. As far as real estate sector is concerned, it is a very hopeful picture that I see in the future, especially with the money getting pumped into the economy and the country doing so well.Any plans for further expansions or investment?We have a wide and strong presence in UP and have big townships in most of northern India. We also have a fair presence in states like Rajasthan, Punjab and Haryana. Our world-class facilities in all our townships help us boost the economy.
In an ongoing series of documentary films, IGNCA’s film circle will showcase its recently completed production on the iconic Malayalam writer, M. T. Vasudevan Nair as part of its Great Masters series on 26 July.The Great Masters series focuses on the preeminent figures in the cultural domain of contemporary India. Envisaged as informed and comprehensive works on personalities who have made significant contributions to the cultural formation of contemporary India, the series has featured illustrious figures in contemporary Indian art and culture such as Bhisham Sahni, Ustad Fahimuddin Dagar, T. Brinda and B. C. Sanyal, among others. The objective of the documentation is to encapsulate in a historical perspective their life and thought. The film unravels through Nair’s own words the complexities encountered in the creative process and the formative influences that shaped his creative moorings.
Here’s another treat for dance lovers. Indian Council for Cultural Relations in association with Sadhya brings for you The Mystical Forest – a contemporary dance production based on Mayurbhanj Chhau. The performance will witness Indian and International artistes like Carolina Prada from Columbia and Gaura Prema from USA collaborating to create some magic on stage. The act is scripted by Nalini Sharma, choreographed by Santosh Nair, music composed by Upmanyu Bhanot, light design by Gyandev Singh, costume design: Alpana and Neeraj.The performance explores soul within the forest as its inhabitant. This act attempts to avail the vocabulary of dance of Mayurbhanj Chhau with strong tribal influences and grounded movements with contemporary interpretation. Through this act the artists portray varied experiences, emotions, rituals and celebrations of the inhabitants and their life within the forest. Mark in your calenders!