Month: August 2019

first_img Citation: US army to be powered by waste (2009, October 12) retrieved 18 August 2019 from https://phys.org/news/2009-10-army-powered.html British Town Demonstrates World’s First Garbage Truck Powered by Garbage The PyTEC system includes a pyrolysis tube capable of continuously consuming up to 100 kg (220 lb) of garbage an hour. Mixed waste is heated to high temperature in the pyrolisis tube, a process that releases combustible gases, which are then stored and later burned to generate electricity. The system produces five times more energy than is used to power the system.The pyrolisis process differs from other systems that generate energy by heating waste in that the heating takes place in the absence of oxygen. Aerobic systems generally need waste to be of only one type, whereas the pyrolisis system works with untreated mixed wastes. The thermal systems also need waste to be diced before being fed to the incinerator, and have problems with some components of waste, such as tin and glass. The PyTEC system does not require finely diced waste, and can handle the difficult waste sources with ease.The end products of the PyTEC system are energy and a glassy waste product that is only 5% of the volume of the original garbage. The system has been in use for a year on a British ship, the HMS Ocean. According to Qinetiq spokesperson Pat McGlead, the system has been “containerized” for the US army to make it easier to deploy. Up to ten systems will eventually be deployed, many of them in Iraq and Afghanistan, where they are expected to dramatically reduce the army’s use of fossil fuels, and take care of waste disposal at the same time. Until now the “forward operating bases” in Afghanistan and Iraq have had no formal arrangements for disposing of their waste.The PyTEC system may also find application outside the military, since many people in both commercial and private premises are seeking ways to reduce their carbon footprint and produce energy from renewable sources. Turning waste into energy has many attractions for a wide range of people.A side benefit of the PyTEC waste disposal system in conflict areas may also be a saving of lives, since there will be less need for garbage trucks to be on the roads, where they risk land mines, and other forms of attack. The systems are expected to be delivered by mid 2010, and the period of testing and evaluation is expected to last until early 2012.© 2009 PhysOrg.com (PhysOrg.com) — Defense company Qinetiq has been awarded a contract to supply the US army with a system that generates electricity from garbage. 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. Explore further Qinetiq’s PyTEC system undergoing trials.last_img read more

first_imgThe technology offers an “automatic path choice.” When the network detects multiple Internet connections, it will select the fastest one available and will switch to another connection if the original slows or goes off line. This is being promoted as a mobile mesh network that can route data “opportunistically” through the right assets at the right time. The advantage is that it can offload traffic from an overburdened access route to one less utilized. The Open Garden founders built and patented their own discovery mechanisms so devices that run the software can easily detect each other. When asked about the implications of this advancement on battery power, the answer was that most of the power consumption comes from the data transmission. Open Garden instead can help the user save some battery by offloading to WiFi, which uses less power than a 3G or 4G connection.As the app is freely downloadable, the team was asked how they intended to make any money. The Open Garden team’s answer was by the freemium business model, historically commonplace with Open Source ventures, where revenues come in from special enterprise-level services for business customers, or sponsorships, or advertising. The team said they aim for a freemium model with extra features like VPN access for business users. Explore further (Phys.org) — The Open Garden network app, which was launched in private beta in February, is now available free for download. The San Francisco based startup, founded in 2010, is set to break down the in walls of connectivity — in seeking out Internet access or making do with spotty connections — that have become the status quo. The Open Garden team voices a general complaint that Operators behave as if broken networks are a fact of life. “Mobile networks are like closed gardens, separated by walls. If you own a smartphone from Carrier A and find yourself unable to surf the mobile web, you cannot use spectrum owned by Carrier B, or a nearby fixed line broadband connection owned by Carrier C.” Citation: Open Garden plants app for open network (2012, June 5) retrieved 18 August 2019 from https://phys.org/news/2012-06-garden-app-network.html More information: opengarden.com/ The Open Garden application interconnects devices, whether smartphones, laptops or tablets. to form a wireless peer-to-peer mesh network for access to the Internet. The team presented their case at the recent TechCrunch Disrupt conference. They answered questions from a conference panel about the capabilities, repercussions from industry, and business model for the startup.Cofounder and CEO Micha Benoliel told the audience that Open Garden is announcing the new app as “disruptive” because the application makes it so simple for a user to be connected.The mesh network allows Open Garden-enabled devices to automatically share Internet access and bandwidth. Essentially, you are riding on the Web access of other Open Garden app users, using peer-to-peer connections that form the network.center_img © 2012 Phys.Org Technology watchers reacting to the debut are supportive but tending to ask the same question: What will carriers do, if not openly revolt? The very idea of a crowdsourcing platform for mobile connectivity may not go down easily with carriers who may think this will hurt their business. The company says it may take time for carriers to accept the app as able to help their business. “The promise of hyperconnectivity will be fulfilled when the walls that separate the carriers’ closed garden finally open for the benefit of the industry and all users.” Benoliel has said that Open Garden already has an agreement with a “forward-looking” European carrier.Open Garden is available for Android, Windows, and Mac. The team plans for an iOS version in the future.On Monday, a reviewer said she was able to use Open Garden to surf the Internet on a smart phone using Firefox (Firefox is needed to browse with Open Garden if on an Android device, along with a browser add-on). Video streaming by way of another phone’s 4G connection, she said, looked a bit stilted but the quality was not bad. Ex-AOL exec calls Facebook new ‘walled garden’ 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

first_img More information: www.kickstarter.com/projects/b … hnology-for-everyonebublcam.com/ © 2013 Phys.org (Phys.org) —Canada-based startup called Bubl Technology, founded in 2011, wants you to imagine being able to capture life in its bublcam, making, as it says, 360 degrees of your world available any time. The company has come up with prototypes of a little baseball-like gadget that is really four cameras arranged in a tetrahedral design, allowing a user to take photos and video. Sean Ramsey, founder and CEO, said the idea for the product was seeded some years ago, while he was working with a company in turn working with Google on a Street View project. Why not create a camera, he thought, to be capable of spherical footage for uses other than mapping? Why not use it for other things, such as panoramic photos? Explore further At the time of this writing, they have garnered $83,391 out of their $100,000 goal with 38 days to go. The target shipping date for the device, priced at over $400, is May next year. Citation: Little bublcam places life in spherical perspective (2013, November 5) retrieved 18 August 2019 from https://phys.org/news/2013-11-bublcam-life-spherical-perspective.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. He and other team members started thinking in terms of technology that could support a device that was small, portable,and affordable. For the last two years, the company’s focus has been on the end goal of a market ready spherical camera that captures 100 percent of the spherical range through panoramic photos and videos. The company’s hardware CTO, Dan Mills, explained: “We designed the camera in a tetrahedral [patent pending] orientation…there are no blind spots because each camera overlaps the adjoining camera.” The camera’s form factor is distinctive, as a baseball size device that is light and easy to carry around. Applications potentially, are many, including the use of the bublcam in-real estate, gaming and sports, as well as security and surveillance. The bublcam is capable of recording video at 30fps at 720p or 15fps at 1080p and exports MP4 format.For the casing, the team is using four solid aluminum die-cast structural rings. According to the company, however, the “true innovation of the bublcam is its software that allows a single, 4 quadrant multiplexed image to be stitched into a sphere. We utilize a heat mapped blending process in order to blend the final photos and videos. These are what we like to call digital bubls.”The team continues to work on the device to bring it to market and, at this stage, has fully functional working prototypes. The company has turned to Kickstarter to bring the device to market. “We have been working on bubl for the past two years and we’ve come a long way. But now we need your help,” said the campaign message. “Your support will allow us to initiate tooling, manufacturing and software development so we can make bublcam and our software available to you and the millions of people who have never before had a 360º camera option.” Ricoh shows off omnidirectional camera (w/ video)last_img read more

first_img More information: Frédérique Valentin et al. Early Lapita skeletons from Vanuatu show Polynesian craniofacial shape: Implications for Remote Oceanic settlement and Lapita origins, Proceedings of the National Academy of Sciences (2015). DOI: 10.1073/pnas.1516186113AbstractWith a cultural and linguistic origin in Island Southeast Asia the Lapita expansion is thought to have led ultimately to the Polynesian settlement of the east Polynesian region after a time of mixing/integration in north Melanesia and a nearly 2,000-y pause in West Polynesia. One of the major achievements of recent Lapita research in Vanuatu has been the discovery of the oldest cemetery found so far in the Pacific at Teouma on the south coast of Efate Island, opening up new prospects for the biological definition of the early settlers of the archipelago and of Remote Oceania in general. Using craniometric evidence from the skeletons in conjunction with archaeological data, we discuss here four debated issues: the Lapita–Asian connection, the degree of admixture, the Lapita–Polynesian connection, and the question of secondary population movement into Remote Oceania. Citation: Skulls in ancient cemetery on Vanuatu suggest Polynesians as first settlers (2015, December 29) retrieved 18 August 2019 from https://phys.org/news/2015-12-skulls-ancient-cemetery-vanuatu-polynesians.html Explore further The researchers focused on skulls dug from the bottom of a cemetery on Efate Island, which has been dated back to approximately 3,000 years ago, making it the oldest in the South Pacific. The skulls, the team reports, belong to a people known as the Lapita, who are believed to have been the earliest settlers of the islands. The team compared the skulls with those of people currently living on the island and also other parts of Polynesia and Melanesia and concluded that the ancient skulls were closest in structure to modern Asians and Polynesians. This news came as a bit of a surprise because the current natives most resemble Melanesians. The researchers believe that the evidence suggests that Melanesia people arrived sometime after the Lapita had already populated the islands in the area and interbred with the people already living there.The researchers note that other evidence of the ancient Lapita people still exists as well—those living on the island share many cultural and linguistic similarities with early Polynesians, for example. But, they also add, it still doesn’t adequately address the issue of how it was that people living 3,000 years ago managed to navigate and populate an island group so far from their home—a path that would have taken them from South-East Asia through Melanesia and then into Polynesia, while somehow not leaving any evidence that they had mixed with the Melanesians. Their findings do suggest though, that the islands of Vanuatu may have served as a springboard of sorts, offering the early settlers a place to jump to other parts of the vast Pacific Ocean. Teouma Lapita skulls. Credit: Proceedings of the National Academy of Sciences (2015). DOI: 10.1073/pnas.1516186113 (Phys.org)—A small team of researchers from France and Australia has found evidence in a very old cemetery (first discovered back in 2004) on one of the islands of Vanuatu that suggests that early Asians and Polynesians were the first human settlers, not Melanesians as many have suggested. In their paper published in Proceedings of the National Academy of Sciences, the team describes how the question of the origin of the people of the Pacific Islands has confounded visitors from the west since perhaps the 16th century and why they believe their study finally provides the answers.center_img Journal information: Proceedings of the National Academy of Sciences 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. South Pacific Island’s earliest inhabitants relied primarily on foraging, not horticulture © 2015 Phys.orglast_img read more

first_img Modern Flores Island pygmies show no genetic link to extinct ‘hobbits’ © 2018 Science X Network Explore further Journal information: Proceedings of the Royal Society B Scientists have long been stumped by the short stature of pygmy people. Most pygmy people have developed shorter stature while living in a tropical region, such as in Malaysia or the Amazon jungle. But what about living in the jungle causes nature to select for shorter stature? Some have suggested a smaller body dissipates heat better, or can better deal with high humidity levels. But the truth is that no one knows the real reason. In this new effort, the researchers set out to find the answer. They first came up with a hypothesis, and then carried out some experiments to test their ideas.The hypothesis was that it is easier for shorter people to walk around in the dense jungle—taller people with longer strides find it more difficult to get around in dense jungle forests. To test this idea, the researchers built models meant to mimic the behavior of people of different sizes making their way through a jungle. They then compared what they found with real human beings—watching and recording as both taller people and pygmy people made their way through the jungles of the Batek of Peninsular Malaysia and the Tsimane in Bolivia.The researchers report that both their models and their observations of people walking in jungle environments agreed with their hypothesis—the shorter pygmy people were far better at making their way through the jungle, and it appeared that shorter step length was the reason. The shorter steps allowed the Pygmy people to move much more quickly through the dense underbrush, making foraging much more efficient. The researchers suggest their results offer the first evidence of the shorter stature of the Pygmy people being a phenotype with adaptive benefits. A team of researchers from the Institute for Advanced Study in Toulouse, Harvard University, the University of Exeter and the University of California has come up with a new theory to explain the short stature of pygmies living in the jungle. In their paper published in Proceedings of the Royal Society B, the group suggests that shorter steps taken by shorter people are an evolutionary advantage in the jungle.center_img Credit: CC0 Public Domain More information: Vivek V. Venkataraman et al. Locomotor constraints favour the evolution of the human pygmy phenotype in tropical rainforests, Proceedings of the Royal Society B: Biological Sciences (2018). DOI: 10.1098/rspb.2018.1492 Citation: A possible explanation for why pygmy people in the jungle are so short (2018, November 7) retrieved 18 August 2019 from https://phys.org/news/2018-11-explanation-pygmy-people-jungle-short.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.last_img read more

first_img Play Deer recruit cancer genes in rapid antler regeneration and at the same time their tumor suppressor genes changed a lot. Credit: Dr. Wen Wang, Northwestern Polytechnical University, Mr. Zhe Si Citation: The Ruminant Genome Project reveals the secret lives of deer (2019, June 21) retrieved 18 August 2019 from https://phys.org/news/2019-06-ruminant-genome-reveals-secret-deer.html Three teams of researchers working independently have conducted three specific studies of ruminants—a class of mammals that obtains nutrients from plants by fermenting it in chambered stomachs. The work was part of an overall project called, quite naturally, the Ruminant Genome Project. All three teams were made up of members from several institutions in China and a few other countries. All three groups have published their findings in the journal Science. Also, Dai Fei Elmer Ker and Yunzhi Peter Yang with the Chinese University of Hong Kong and Stanford University, respectively, have published a Perspective piece outlining the work by the three teams in the same journal issue. PausePlay% buffered00:0000:00UnmuteMuteDisable captionsEnable captionsSettingsCaptionsDisabledQuality0SpeedNormalCaptionsGo back to previous menuQualityGo back to previous menuSpeedGo back to previous menu0.5×0.75×Normal1.25×1.5×1.75×2×Exit fullscreenEnter fullscreen Credit: CC0 Public Domain Explore further More information: Lei Chen et al. Large-scale ruminant genome sequencing provides insights into their evolution and distinct traits, Science (2019). DOI: 10.1126/science.aav6202 Yu Wang et al. Genetic basis of ruminant headgear and rapid antler regeneration, Science (2019). DOI: 10.1126/science.aav6335 Zeshan Lin et al. Biological adaptations in the Arctic cervid, the reindeer (Rangifer tarandus), Science (2019). DOI: 10.1126/science.aav6312 Glowing antlers failed, so Finns try app to save reindeercenter_img 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. Domesticated ruminants such as sheep and cows are important to humans. Others are important because of their unique physical characteristics. Deer antlers, for example, grow exceptionally quickly, and reindeer live in the Arctic without freezing or suffering depression due to long winter nights. In this new effort, all three teams sought to learn more about particular aspects of these unique mammals.In the first study, the researchers assembled the genomes of 44 ruminants covering all six members of the Ruminantia families. They created a phylogenetic tree for the group, which helped to clear up some of the mysteries in the family history. It also showed that the group as a whole suffered severe declines in population coinciding with humans migrating out of Africa.The work by the second team involved studying ruminant headgear—horns, antlers, pronghorns and ossicones. They found that despite their physical differences, the bony headgear shared many similarities. They also found that the reason deer antlers regenerate so quickly is because they exploit cancer-associated signaling paths. The deer also have tumor-suppressing genes that prevent tumors from growing in their antlers—information that could be useful in cancer research. Journal information: Science PausePlay% buffered00:0000:00UnmuteMuteDisable captionsEnable captionsSettingsCaptionsDisabledQuality0SpeedNormalCaptionsGo back to previous menuQualityGo back to previous menuSpeedGo back to previous menu0.5×0.75×Normal1.25×1.5×1.75×2×Exit fullscreenEnter fullscreen Play Particular adaptations of reindeer to the polar area. Credit: Dr. Wen Wang, Northwestern Polytechnical University, Mr. Zhe Si The third team focused most specifically on reindeer—they wanted to know how the deer manage to survive in such a cold, harsh environment, and why they do not succumb to depression during long, dark winters. To find out, they studied the reindeer genome and discovered that reindeer have unique genes related to metabolizing vitamin D and circadian arrhythmicity, and also for female antler growth. And their unique digestive system helps them survive on limited plant growth. © 2019 Science X Networklast_img read more

first_imgDue to popular demand, Palate Fest returns with a special treat to tide you over until the next autumn fest. Palate ‘Mini’- cozier and more compact, gives you a chance to experience a taste of Palate Fest in a more intimate way.Aditi Kapoor and Ruchi Sibal, in association with NDMC, kick start this spring with Palate Mini 2015 – Delhi’s most delicious weekend.The festival will feature some of Delhi’s most upcoming and popular eateries whipping up some lip-smacking preparations, along with a food market for gourmet products.Highlights of the festival will be over 15 leading cafes participating in the fest. Market Square with 30 ‘Shoplets’ for Indian and International gourmet products and ingredients and live entertainment all three days will keep the visitors spellbound.Come and witness the Delhi’s Most Delicious Spring weekend!Where: Nehru Park, When: March 13 – 15 Timing: 1 PM till 11 PMlast_img read more

first_imgKolkata: West Bengal Chief Minister Mamata Banerjee today remembered mountaineer Chhanda Gayen, the first civilian woman from the state to summit Mt Everest, on her birth anniversary. Describing the mountaineer as “brave”, the chief minister said that her courage may become an inspiration for everybody. “Fondly remembering the brave mountaineer Chhanda Gayen on her birth anniversary. In her memory, the Bengal Government has instituted the Chhanda Gayen Bravery Award for successful mountaineers. May her courage inspire us all,” Banerjee wrote on her Twitter handle this morning. Chhanda Gayen, who had scaled Mt Everest in 2013, went missing along with two sherpas in an avalanche while descending the western side of Mt Kanchenjunga, also known as Mt Yulan Kang, in Nepal in 2014. She was declared missing/dead after rescuers failed to spot her and the three accompanying sherpas. On her honour, the Mamata Banerjee government introduced the ‘Chhanda Gayen Bravery Award’ for women for their outstanding achievement in the field of adventure.last_img read more

first_imgKolkata: The Consul General of France in Kolkata, Virginie Corteval, made a day-long visit to Chandannagar, a former French colony, as part of an effort to shape the people-to-people contact between France and Bengal. As a tourist, she had visited the town about 20 years ago. In a statement issued on Sunday, Corteval said she took great pride in announcing that “we are formalising our relationship and institutionalising our partnership, working as collaborators between the government, private sector and civil society.” During her visit, the diplomat also dropped in at some Jagaddhatri Puja pandals and learnt about their themes. Also Read – Rain batters Kolkata, cripples normal lifeThe Jagaddhatri Puja is a major festival of the heritage town that attracts crowds from all over West Bengal. She thanked Chief Minister Mamata Banerjee for her commitment to develop “river tourism along the river Hooghly.” The diplomat referred to the ‘Bonjour India’ initiative of France and said the restoration and reuse of the Registry Office building in Chandannagar has given impetus to a proposal to revitalise and redevelop the entire Strand area of the town. Also Read – Speeding Jaguar crashes into Mercedes car in Kolkata, 2 pedestrians killedChandannagar, formerly spelt as Chandernagore, situated on the banks of the Hooghly, became a French colony in 1673 when France wanted to set up a trading post. The French lost the town to the British in 1757 and regained control of it in 1816. It remained a French territory in India till 1950. “We are very grateful to the Government of West Bengal, Chief Minister Mamata Banerjee, the Minister of Tourism Goutam Deb, Minister of State for information and Culture Indranil Sen…” for their endeavour to widen this initiative to not just restoring buildings but creating livelihood opportunities and economic development for the people of this town,” the consul general said.last_img read more

first_imgKolkata: A joint team of state Criminal Investigation Department (CID) and Nadia district police arrested Abhijit Pundari, the prime accused in murder case of Krishnagunj MLA Satyajit Biswas, on Monday. Pundari has been arrested from Radhamohanpur in West Midnapore.According to a source, on February 9, Pundari was absconding since Biswas was shot dead while attending a Saraswati Puja inauguration at Majdia in Nadia district. Following the murder, the police detained two persons on the same night identified as Sujit Mondal and Kartik Mondal, who were later arrested. Police had also recovered a firearm from near the murder spot. Also Read – Bose & Gandhi: More similar than apart, says Sugata BoseThe state CID started a probe along with the Nadia district police. While, the sleuths were probing to get hold of the accused persons, an FIR was lodged naming BJP leader Mukul Roy and other accused persons. Later, Roy moved to Calcutta High Court seeking anticipatory bail, which was granted on the condition that he could not visit Nadia district without court’s permission. Immediate after the murder, local residents saw Pundari escaping from the spot Also Read – Rs 13,000 crore investment to provide 2 lakh jobs: Mamataand eventually informed police. Since then sleuths were looking for him. Four days ago, sleuths nabbed two more persons identified as Kalipada Mondal and Nirmal Ghosh. After interrogating the four arrested persons, sleuths came to know that Pundari had attacked Biswas before during the Kali Puja over some disputes. He was eventually resisted by local residents at that time. During investigation, it was suspected that he might try to flee to Bangladesh as the Indo-Bangla border is close to the area. Thus, police sought help from the Border Security Force to step up vigil on the border. Pundari’s picture was also provided to them. On Sunday night, sleuths got a tip-off that Pundari was hiding somewhere in West Midnapore. As Pundari was aware that he could be traced by his mobile’s location, he left it at his home in Nadia. During search operations at several places, sleuths were informed on Sunday that Pundari was hiding at Radhamohanpur in West Midnapore. The officers of the joint team of the state CID and Nadia District Police raided a house from where Pundari was nabbed on Monday morning. The house belonged to Pundari’s relative. Sleuths have seized a firearm from his procession.last_img read more