Yarns of niobium nanowire can make supercapacitors to provide a surge of energy when it’s neededWearableelectronic devices for health and fitness monitoring are a rapidly growing area of consumer electronics; one of their biggest limitations is the capacity of their tiny batteries to deliver enough power to transmit data. Now, researchers at MIT and in Canada have found a promising new approach to delivering the short but intense bursts of power needed by such small devices.The key is a new approach to making supercapacitors — devices that can store and release electrical power in such bursts,...
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2015
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According to CCTV, May 6, 2015, General Secretary Xi Jinping chaired the 12th meeting of the Central Leading Group on Comprehensive and Deepening Reform, which emphasized the need to promote innovation as the core and break down institutional barriers, and considered and approved the "overall plan for promoting comprehensive and innovative reform in some regional systems" and "Shenzhen" The implementation plan of "science and technology system reform" and other documents. The current government attaches great importance to entrepreneurship and innovation, not only...
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2015
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Diamondnanothreads offer the promise of more strength and stiffness than any existing man-made material thanks to their never-before-seen atomic structure.Penn State University A team of scientists have crafted a thread of carbon atoms 20,000 times smaller than a strand of human hair, and it may prove to bethe strongest man-made material in the universe. Called a "diamond nanothread," the ultra-thin material has a never-before-seen structure resembling the hexagonal rings of bonded carbon atoms that make up diamonds, the hardest kno...
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2014
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In the future, your heart could be repaired with gold nanowire cell patches. Researchers at MIT and Harvard University have developed tiny gold-studded scaffolds that can be used to build tissue in which cells have a synchronous beat, a possible repair tool for treating heart-attack victims.In a studyreported in Nature Nanotechnology, Daniel Kohane, a professor in the Harvard-MIT Division of Health Sciences and Technology (HST), and colleagues improved the electrical conductivity of scaffolds used to grow cardiac cells.They devised a new scaffold material but based it on alginate, an orga...
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2011
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Imagine a world where the battery on your favorite device doesn't get low anymore. Researchers in Australia may have finally found the key to an everlasting battery.Smartphones, tablets, and other devices have advanced significantly in power and functionality during the last decade, yet one draining issue remains: battery life.Researchers from RMIT University in Melbourne and Australian NationalUniversity have made a crucial advancement in the quest to create a perpetual battery.In a report published in the June 21 issue of Advanced Functional Materials,the group--led by Arnan Mitchell, wi...
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2011
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浏览次数：2327