Science - Gizmag

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June 26, 2015 </span> <a class="picture-count" href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/graphene-low-cost-nanocvd/38195/pictures"> 2 Pictures </a> </div> </div> <div class="inline-item"> <a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/graphene-low-cost-nanocvd/38195/"> <img src="https://web.archive.org/web/20150627040107im_/http://images.gizmag.com/hero/graphene-nanocvd.jpg" title=""> </a> </div> <div class="summary"> <p>It's hard to find an article about graphene that doesn't include the words "wonder material" somewhere within it. Less wondrous, unfortunately, is the expensive and time consuming chemical vapor deposition (CVD) process used to produce it industrially. Now researchers from the University of Exeter claim to have discovered a new low-cost technique to produce high quality graphene that could see the wonder material start to realize its potential.</p> <a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/graphene-low-cost-nanocvd/38195/" class="readmore_link">Read More</a> </div> </article> <article class="article-summary article-summary--None" data-article="38081"> <div class="article-top" data-article="38081"> <a class="label" href="/web/20150627040107/http://www.gizmag.com/science/"> — Science </a> <h1><a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/additives-keep-lithium-ion-batteries-catching-fire/38081/">Additives keep lithium-ion batteries from catching fire</a></h1> <div class="clearfix"> <span class="pull-left"> By <a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/author/david-szondy/" rel="author">David Szondy</a> - June 25, 2015 </span> <a class="picture-count" href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/additives-keep-lithium-ion-batteries-catching-fire/38081/pictures"> 4 Pictures </a> </div> </div> <div class="inline-item"> <a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/additives-keep-lithium-ion-batteries-catching-fire/38081/"> <img src="https://web.archive.org/web/20150627040107im_/http://images.gizmag.com/hero/lithium-additive.jpg" title=""> </a> </div> <div class="summary"> Processor chips may get all the glory, but if it wasn't for lithium-ion batteries, modern electronics would look like something out of the 1950s. Unfortunately, while they may be compact and long lasting, these batteries also suffer from overheating and can become fire hazards as they get old. Now a team led by Stanford University and the Department of Energy’s SLAC National Accelerator Laboratory has come up with an additive that holds the promise of extending lithium battery life while improving safety and performance. <a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/additives-keep-lithium-ion-batteries-catching-fire/38081/" class="readmore_link">Read More</a> </div> </article> <article class="article-summary article-summary--None" data-article="38121"> <div class="article-top" data-article="38121"> <a class="label" href="/web/20150627040107/http://www.gizmag.com/science/"> — Science </a> <h1><a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/hydrogen-hematite-silicon-solar/38121/">Solar-powered hydrogen generation using two of the most abundant elements on Earth</a></h1> <div class="clearfix"> <span class="pull-left"> By <a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/author/colin-jeffrey/" rel="author">Colin Jeffrey</a> - June 23, 2015 </span> <a class="picture-count" href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/hydrogen-hematite-silicon-solar/38121/pictures"> 1 Picture </a> </div> </div> <div class="inline-item"> <a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/hydrogen-hematite-silicon-solar/38121/"> <img src="https://web.archive.org/web/20150627040107im_/http://images.gizmag.com/hero/hematite-hydrogen.jpg" title=""> </a> </div> <div class="summary"> <p>One potential clean energy future requires an economical, efficient, and relatively simple way to generate copious amounts of hydrogen for use in <a target="_blank" href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/tag/fuel%2Bcell/" title="Link: http://www.gizmag.com/tag/fuel%2Bcell/">fuel-cells</a> and <a target="_blank" href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/tag/hydrogen-powered/">hydrogen-powered</a> vehicles. Often achieved by <a target="_blank" href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/water-splitter-aaa-battery-hydrogen-fuel-cell/33497/">using electricity</a> to split water molecules into hydrogen and oxygen, the ideal method would be to mine hydrogen from water using electricity generated directly from sunlight without the addition of any external power source. Hematite – the mineral form of iron – used in conjunction with silicon has shown some promise in this area, but low conversion efficiencies have slowed research. Now scientists have discovered a way to make great improvements, giving hope to using two of the most abundant elements on earth to efficiently produce hydrogen.</p> <a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/hydrogen-hematite-silicon-solar/38121/" class="readmore_link">Read More</a> </div> </article> <article class="article-summary article-summary--None" data-article="38127"> <div class="article-top" data-article="38127"> <a class="label" href="/web/20150627040107/http://www.gizmag.com/science/"> — Science </a> <h1><a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/micro-tentacles/38127/">Pneumatic micro-tentacles can grab delicate objects as small as ants</a></h1> <div class="clearfix"> <span class="pull-left"> By <a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/author/ben-coxworth/" rel="author">Ben Coxworth</a> - June 22, 2015 </span> <a class="picture-count" href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/micro-tentacles/38127/pictures"> 1 Picture </a> </div> </div> <div class="inline-item"> <a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/micro-tentacles/38127/"> <img src="https://web.archive.org/web/20150627040107im_/http://images.gizmag.com/hero/micro-tentacles.jpg" title=""> </a> </div> <div class="summary"> <p>If you had to grasp a tiny delicate object such as a blood vessel, doing so with traditional tweezers would be a very painstaking process – just a little too much pressure, and the object could be crushed. Instead, scientists from Iowa State University have developed miniature coiling tentacles for doing the job. They're even capable of holding an ant without harming it.</p> <a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/micro-tentacles/38127/" class="readmore_link">Read More</a> </div> </article> <article class="article-summary article-summary--None" data-article="38123"> <div class="article-top" data-article="38123"> <a class="label" href="/web/20150627040107/http://www.gizmag.com/science/"> — Science </a> <h1><a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/owl-inspired-surface-reduce-wind-turbine-noise/38123/">Owl-inspired material to reduce wind turbine noise</a></h1> <div class="clearfix"> <span class="pull-left"> By <a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/author/darren-quick/" rel="author">Darren Quick</a> - June 22, 2015 </span> <a class="picture-count" href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/owl-inspired-surface-reduce-wind-turbine-noise/38123/pictures"> 2 Pictures </a> </div> </div> <div class="inline-item"> <a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/owl-inspired-surface-reduce-wind-turbine-noise/38123/"> <img src="https://web.archive.org/web/20150627040107im_/http://images.gizmag.com/hero/owl-wing-noise.jpg" title=""> </a> </div> <div class="summary"> <p>Owls are exceptional predators. In addition to their impressive vision and hearing capabilities, they are also able to fly almost silently. This stealthy flight is thanks to the structure of their wings, which researchers have analyzed and mimicked to develop a prototype coating that they claim could significantly reduce the noise generated by wind turbines, computer fans and airplanes.</p><p></p> <a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/owl-inspired-surface-reduce-wind-turbine-noise/38123/" class="readmore_link">Read More</a> </div> </article> <article class="article-summary article-summary--None" data-article="38027"> <div class="article-top" data-article="38027"> <a class="label" href="/web/20150627040107/http://www.gizmag.com/science/"> — Science </a> <h1><a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/happy-leap-second/38027/">Leap second to make 61-second minute at end of June</a></h1> <div class="clearfix"> <span class="pull-left"> By <a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/author/david-szondy/" rel="author">David Szondy</a> - June 18, 2015 </span> <a class="picture-count" href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/happy-leap-second/38027/pictures"> 1 Picture </a> </div> </div> <div class="inline-item"> <a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/happy-leap-second/38027/"> <img src="https://web.archive.org/web/20150627040107im_/http://images.gizmag.com/hero/leap-second.jpg" title=""> </a> </div> <div class="summary"> <p>If you're one of those people who just can't find the time to fit everything you want to do into a day, then mark June 30 on your calendar. On that Tuesday you'll have a little extra time on your hands because, at precisely 23:59:59 GMT, the world's clocks will add a second to the day, making it 24 hours and one second long.</p> <a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/happy-leap-second/38027/" class="readmore_link">Read More</a> </div> </article> <article class="article-summary article-summary--news-byte" data-article="38089"> <div class="article-top" data-article="38089"> <h1><a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/battery-produces-power-using-light/38089/">Battery juices itself up using light</a></h1> <div class="clearfix"> <span class="pull-left"> By <a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/author/ben-coxworth/" rel="author">Ben Coxworth</a> </span> </div> </div> <div class="inline-item"> <a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/battery-produces-power-using-light/38089/"> <img src="https://web.archive.org/web/20150627040107im_/http://images.gizmag.com/hero/photo-battery.jpg" title=""> </a> </div> <div class="summary"> <p>It's now fairly common to hear about batteries being used to store power generated by solar cells. A group of Indian scientists, however, have eliminated the middleman. They've created a battery that incorporates a titanium nitride-based photoanode in place of a conventional anode, allowing the battery to charge <em>itself</em> using solar or artificial light.</p> <a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/battery-produces-power-using-light/38089/" class="readmore_link">Read More</a> </div> </article> <article class="article-summary article-summary--None" data-article="38072"> <div class="article-top" data-article="38072"> <a class="label" href="/web/20150627040107/http://www.gizmag.com/science/"> — Science </a> <h1><a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/3d-printed-wood-cellulose/38072/">3D-printed objects created entirely from wood cellulose</a></h1> <div class="clearfix"> <span class="pull-left"> By <a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/author/richard-moss/" rel="author">Richard Moss</a> - June 18, 2015 </span> <a class="picture-count" href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/3d-printed-wood-cellulose/38072/pictures"> 4 Pictures </a> </div> </div> <div class="inline-item"> <a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/3d-printed-wood-cellulose/38072/"> <img src="https://web.archive.org/web/20150627040107im_/http://images.gizmag.com/hero/3d-printed-wood-cellulose.jpg" title=""> </a> </div> <div class="summary"> <p>The 3D printing revolution brings with it a harmful side effect: the special inks that it uses are derived (for the most part) from environmentally-unfriendly processes involving fossil fuels and toxic byproducts. But now scientists at Chalmers University of Technology have succeeded in using cellulose – the most abundant organic compound on the planet – in a 3D printer. They were also able to create electrically-conductive materials by adding carbon nanotubes.</p> <a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/3d-printed-wood-cellulose/38072/" class="readmore_link">Read More</a> </div> </article> <article class="article-summary article-summary--None" data-article="38069"> <div class="article-top" data-article="38069"> <a class="label" href="/web/20150627040107/http://www.gizmag.com/science/"> — Science </a> <h1><a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/magnetic-field-sensor-animal-ut/38069/">Sensor to detect Earth’s magnetic field discovered in an animal for very first time</a></h1> <div class="clearfix"> <span class="pull-left"> By <a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/author/colin-jeffrey/" rel="author">Colin Jeffrey</a> - June 17, 2015 </span> <a class="picture-count" href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/magnetic-field-sensor-animal-ut/38069/pictures"> 1 Picture </a> </div> </div> <div class="inline-item"> <a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/magnetic-field-sensor-animal-ut/38069/"> <img src="https://web.archive.org/web/20150627040107im_/http://images.gizmag.com/hero/worm-magnetosensor.jpg" title=""> </a> </div> <div class="summary"> <p>It has been a long-held belief in scientific circles that many creatures navigate across land, through water, and through the skies using the Earth’s magnetic field for guidance. Now scientists and engineers working at The University of Texas at Austin (UT) have finally discovered the organic mechanism responsible for this in an animal. Looking just like a microscopic TV antenna, the structure has been found in the brain of a tiny roundworm that uses it to work out which way to burrow through the soil. This breakthrough may help scientists discover how other species with internal compasses use the magnetic field of our planet to pilot their course.</p> <a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/magnetic-field-sensor-animal-ut/38069/" class="readmore_link">Read More</a> </div> </article> <article class="article-summary article-summary--None" data-article="38061"> <div class="article-top" data-article="38061"> <a class="label" href="/web/20150627040107/http://www.gizmag.com/science/"> — Science </a> <h1><a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/tiny-car-evaporating-water/38061/">Miniature car runs only on the power of evaporating water</a></h1> <div class="clearfix"> <span class="pull-left"> By <a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/author/nick-lavars/" rel="author">Nick Lavars</a> - June 17, 2015 </span> <a class="picture-count" href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/tiny-car-evaporating-water/38061/pictures"> 5 Pictures </a> </div> </div> <div class="inline-item"> <a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/tiny-car-evaporating-water/38061/"> <img src="https://web.archive.org/web/20150627040107im_/http://images.gizmag.com/hero/water-car-evaporation.jpg" title=""> </a> </div> <div class="summary"> <p>Researchers have discovered an unlikely source of renewable energy, the naturally-occurring cycle that is water evaporation. Scientists at New York's Columbia University replicated this process in the laboratory and harnessed its energy to power tiny machines, one of which was a moving, miniature car. The team says the technology could potentially to be scaled up to one day draw power from huge resting bodies of water such as bays and reservoirs. </p> <a href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/tiny-car-evaporating-water/38061/" class="readmore_link">Read More</a> </div> </article> <div class="pagination"> <span>1</span> <a rel="next" href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/science/2/">2</a> <a rel="" href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/science/3/">3</a> <a rel="" href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/science/4/">4</a> <a rel="" href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/science/5/">5</a> <a rel="next" href="https://web.archive.org/web/20150627040107/http://www.gizmag.com/science/2/">Next »</a> </div> </div> <div id="right_cols"> <div class="ad "> <div class="ad-label">Advertisement</div> <div class="ad-inner" 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