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Ancient effect harnessed to produce electricity from waste heatWashington DC (SPX) Jun 14, 2012 A phenomenon first observed by an ancient Greek philosopher 2,300 years ago has become the basis for a new device designed to harvest the enormous amounts of energy wasted as heat each year to produce electricity. The first-of-its-kind "pyroelectric nanogenerator" is the topic of a report in ACS' journal Nano Letters. Zhong Lin Wang and colleagues at Georgia Tech explain that more than 50 percent of the energy generated in the U.S. each year goes to waste, much of it as heat released to the enviro ... read more |
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  Self-assembling nanocubes for next generation antennas and lenses Researchers at the University of California, San Diego Jacobs School of Engineering have developed a technique that enables metallic nanocrystals to self-assemble into larger, complex materials for ... more | .. |
 Researchers watch tiny living machines self-assemble Enabling bioengineers to design new molecular machines for nanotechnology applications is one of the possible outcomes of a study by University of Montreal researchers that was published in Nature S ... more | .. |
 'Nanocable' could be big boon for energy storage Thanks to a little serendipity, researchers at Rice University have created a tiny coaxial cable that is about a thousand times smaller than a human hair and has higher capacitance than previously r ... more | .. |
 Hong Kong to restrict foreign homebuyers from 2013 US judge OKs partial settlement in e-book case Nordic-Baltic states seek more cooperation Outside View: Jobs outlook grim Empire-style computers? Frenchman takes PCs to lap of luxury Google-Microsoft field smartphones to take on iPhone 5 EU businesses urge China's new leaders to speed reforms |
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 Researchers love triangles A research team at Case Western Reserve University has found that gold catalysts shaped in the form of a cube, triangle, or other higher order structures grow nanowires about twice as fast and twice ... more | .. |
 Coatings with nanoparticles that interact with sunlight and eliminate contaminants are developed Researchers of the UPNA-Public University of Navarre have developed a type of coating for construction materials. It is based on nanoparticles that interact with sunlight and trigger a chemical reac ... more | .. |
  Robotic jellyfish could one day patrol oceans, clean oil spills, and detect pollutants Virginia Tech College of Engineering researchers are working on a multi-university, nationwide project for the U.S. Navy that one day will put life-like autonomous robot jellyfish in waters around t ... more | .. |
 Wyss Institute develops nanodevice manufacturing strategy using DNA 'building blocks' Researchers at the Wyss Institute for Biologically Inspired Engineering at Harvard University have developed a method for building complex nanostructures out of short synthetic strands of DNA. Calle ... more |
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NASA balloon embarks on multi-month stratospheric flight from New Zealand
'The voice of god': Filipinos wrestle with death of Pope Francis
Sunscreen and shelter strategies may have shielded early humans from solar radiation | .. |
  Newly modified nanoparticle opens window on future gene editing technologies The scientific and technological literature is abuzz with nanotechnology and its manufacturing and medical applications. But it is in an area with a less glitzy aura-plant sciences-where nanotechnol ... more | .. |
 First direct observation of oriented attachment in nanocrystal growth Through biomineralization, nature is able to produce such engineering marvels as mother of pearl, or nacre, the inner lining of abalone shells renowned for both its iridescent beauty and amazing tou ... more | .. |
 Stunning image of smallest possible 5 rings Scientists have created and imaged the smallest possible five-ringed structure - about 100,000 times thinner than a human hair - and you'll probably recognise its shape. A collaboration between the ... more | .. |
  Taking solar technology up a notch The limitations of conventional and current solar cells include high production cost, low operating efficiency and durability, and many cells rely on toxic and scarce materials. Northwestern Univers ... more |
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  How ion bombardment reshapes metal surfaces To modify a metal surface at the scale of atoms and molecules - for instance to refine the wiring in computer chips or the reflective silver in optical components - manufacturers shower it with ions ... more | .. |
 Quantum dots appear safe in pioneering study on primates A pioneering study to gauge the toxicity of quantum dots in primates has found the tiny crystals to be safe over a one-year period, a hopeful outcome for doctors and scientists seeking new ways to b ... more | .. |
 Sensing the infrared: Researchers improve IR detectors with single-walled carbon nanotubes Whether used in telescopes or optoelectronic communications, infrared detectors must be continuously cooled to avoid being overwhelmed by stray thermal radiation. Now, a team of researchers from Pek ... more | .. |
  Professor uses diamond to produce graphene quantum dots and nano-ribbons of controlled structure Kansas State University researchers have come closer to solving an old challenge of producing graphene quantum dots of controlled shape and size at large densities, which could revolutionize electro ... more |
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China to launch new crewed mission into space this week
Astronomers detect exoplanet on rare perpendicular path around binary brown dwarfs
China deploys three-satellite system in Earth-Moon retrograde orbit | .. |
 New twist on ancient math problem could improve medicine, microelectronics A hidden facet of a math problem that goes back to Sanskrit scrolls has just been exposed by nanotechnology researchers at the University of Michigan and the University of Connecticut. It turns out ... more | .. |
 Berkeley Lab scientists generate electricity from viruses Imagine charging your phone as you walk, thanks to a paper-thin generator embedded in the sole of your shoe. This futuristic scenario is now a little closer to reality. Scientists from the U.S. Depa ... more | .. |
 Light touch keeps a grip on delicate nanoparticles Using a refined technique for trapping and manipulating nanoparticles, researchers at the National Institute of Standards and Technology (NIST) have extended the trapped particles' useful life more ... more | .. |
 Next-Generation Nanoelectronics: A Decade of Progress, Coming Advances Traditional silicon-based integrated circuits are found in many applications, from large data servers to cars to cell phones. Their widespread integration is due in part to the semiconductor industr ... more |
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 New technique uses electrons to map nanoparticle atomic structures With dimensions measuring billionths of a meter, nanoparticles are way too small to see with the naked eye. Yet it is becoming possible for today's scientists not only to see them, but also to look ... more | .. |
  Novel radiation surveillance technology could help thwart nuclear terrorism Among terrorism scenarios that raise the most concern are attacks involving nuclear devices or materials. For that reason, technology that can effectively detect smuggled radioactive materials is co ... more | .. |
 Single nanomaterial yields many laser colors Red, green, and blue lasers have become small and cheap enough to find their way into products ranging from BluRay DVD players to fancy pens, but each color is made with different semiconductor mate ... more | .. |
 Nanotech gets boost from nanowire decorations Like a lead actress on the red carpet, nanowires-those superstars of nanotechnology-can be enhanced by a little jewelry, too. Not the diamonds and pearls variety, but the sort formed of sinuous chai ... more |
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Armed Forces Network to reduce radio programs next month
L3Harris boosts US defense with expanded satellite facility in Indiana
Ambitious cross-continental initiative targets breakthroughs in AI space and cyber tech | .. |
 Creating nano-structures from the bottom up Microscopic particles are being coaxed by Duke University engineers to assemble themselves into larger crystalline structures by the use of varying concentrations of microscopic particles and magnet ... more | .. |
 Notre Dame paper examines nanotechnology-related safety and ethics problem A recent paper by Kathleen Eggleson, a research scientist in the Center for Nano Science and Technology (NDnano) at the University of Notre Dame, provides an example of a nanotechnology-related safe ... more | .. |
  With new design, bulk semiconductor proves it can take the heat The intense interest in harvesting energy from heat sources has led to a renewed push to discover materials that can more efficiently convert heat into electricity. Some researchers are finding thos ... more | .. |
 DNA origami puts a smart lid on solid-state nanopore sensors The latest advance in solid-state nanopore sensors - devices that are made with standard tools of the semiconductor industry yet can offer single-molecule sensitivity for label-free protein screenin ... more |
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 ORNL microscopy yields first proof of ferroelectricity in simplest amino acid The boundary between electronics and biology is blurring with the first detection by researchers at Department of Energy's Oak Ridge National Laboratory of ferroelectric properties in an amino acid ... more | .. |
 First Atomic-Scale Real-Time Movies of Platinum Nanocrystal Growth in Liquids They won't be coming soon to a multiplex near you, but movies showing the growth of platinum nanocrystals at the atomic-scale in real-time have blockbuster potential. A team of scientists with the L ... more | .. |
 Nanodot-based memory sets new world speed record A team of researchers from Taiwan and the University of California, Berkeley, has harnessed nanodots to create a new electronic memory technology that can write and erase data 10-100 times faster th ... more | .. |
 Nanocrystal-coated fibers might reduce wasted energy Researchers are developing a technique that uses nanotechnology to harvest energy from hot pipes or engine components to potentially recover energy wasted in factories, power plants and cars. "The u ... more |
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