Last update Building 3-D fractals on a nanoscale: Structure repeats itself from micro ..., 21 hours ago
It all starts with a single octahedron structure, then after four iterations there are already 625 of them. Each iteration creates a new octahedron at each vertex. The result is a fascinating 3D fractal construction ...
21 hours ago
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(Phys.org) —A team of researchers headed by Professor Raffaele Mezzenga has created a hybrid material out of gold and milk proteins that looks like a wafer-thin gold leaf. Thanks to its properties, it could ...
Jun 18, 2013
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(Phys.org) —Waste from textile and paint industries often contains organic dyes such as methylene blue as pollutants. Photocatalysis is an efficient means of reducing such pollution, and molybdenum trioxide ...
Jun 17, 2013
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(Phys.org) —Scientists from ETH Zurich have developed a nanomaterial that protects other molecules from oxidation. Unlike many such active substances in the past, the ETH-Zurich researchers' antioxidant ...
Jun 17, 2013
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(Phys.org) —Cheaper clean-energy technologies could be made possible thanks to a new discovery. Research team members led by Raymond Schaak, a professor of chemistry at Penn State University, have found ...
Jun 13, 2013
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(Phys.org) —Researchers at Rice University have come up with a new way to boost the efficiency of the ubiquitous lithium ion (LI) battery by employing ribbons of graphene that start as carbon nanotubes.
Jun 13, 2013
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Scientists at Aalto University and Utrecht University have created single atom contacts between gold and graphene nanoribbons.
Jun 13, 2013
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(Phys.org) —Light-emitting diodes, or LEDs, are the most efficient and environmentally friendly light bulbs on the market. But they come at a higher up-front price than other bulbs, especially the ones ...
Jun 13, 2013
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(Phys.org) —Wonder material graphene can be made magnetic and its magnetism switched on and off at the press of a button, opening a new avenue towards electronics with very low energy consumption.
Jun 12, 2013
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(Phys.org) —Think about windows coated with transparent film that absorbs harmful ultraviolet sunrays and uses them to generate electricity. Consider a water filtration membrane that blocks viruses and ...
Jun 12, 2013
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Using star-shaped block co-polymer structures as tiny reaction vessels, researchers have developed an improved technique for producing nanocrystals with consistent sizes, compositions and architectures – ...
Jun 11, 2013
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Today's technological innovation enables smartphone users to diagnose serious diseases such as diabetes or lung cancer quickly and effectively by simply breathing into a small gadget, a nanofiber breathing ...
Jun 11, 2013
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Mobile phones that bend, self-powered nanodevices , new and improved solar cell technology and windows that generate electricity are but a few of the potential products from the union of semiconductors and ...
Jun 11, 2013
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Scientists at Rice University and Oak Ridge National Laboratory (ORNL) have advanced on the goal of two-dimensional electronics with a method to control the growth of uniform atomic layers of molybdenum disulfide ...
Jun 10, 2013
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In a new study, published in Science May 31, 2013, Columbia Engineering researchers demonstrate that graphene, even if stitched together from many small crystalline grains, is almost as strong as graphene in its ...
May 31, 2013
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Bed bugs now need to watch their step. Researchers at Stony Brook University have developed a safe, non-chemical resource that literally stops bed bugs in their tracks. This innovative new technology acts ...
May 31, 2013
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A hybrid transparent and stretchable electrode could open the new way for flexible displays, solar cells, and even electronic devices fitted on a curvature substrate such as soft eye contact lenses, by the ...
May 30, 2013
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Professor Seon Jeong Kim of Hanyang University has created a high capacity yarn muscle that does not require electrolytes or special packaging. It will have a big impact in the motor, biological and robot ...
May 30, 2013
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(Phys.org) —A new version of solar cells created by laboratories at Rice and Pennsylvania State universities could open the door to research on a new class of solar energy devices.
May 29, 2013
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(Phys.org) —Inspired by the way plants grow toward light sources, a phenomenon known as phototropism, bioengineers from the University of California, Berkeley have created a hydrogel that could be manipulated ...
May 29, 2013
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What may be the ultimate heat sink is only possible because of yet another astounding capability of graphene. The one-atom-thick form of carbon can act as a go-between that allows vertically aligned carbon ...
May 28, 2013
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Nanostructures that assemble themselves from polymer molecules could prove to be useful tools in chemistry and industry. However, it is difficult to develop structurally robust self-assembling materials because ...
May 28, 2013
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(Phys.org) —Using the Canadian Light Source (CLS) synchrotron, researchers have discovered a way to create cheaper fuel cells by dividing normally expensive platinum metal into nanoparticles (or even single ...
May 23, 2013
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(Phys.org) —A new, natural nanomaterial, which may prove incredibly beneficial to medical bioengineers, has been discovered by the research team at Western University that successfully sequenced the spider mite genome in 2011. ...
May 23, 2013
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(Phys.org) —Researchers have created a new type of transparent electrode that might find uses in solar cells, flexible displays for computers and consumer electronics and future "optoelectronic" circuits ...
May 22, 2013
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More news
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(Phys.org) —In pioneering new research at Columbia University, scientists have grown high-quality crystals of molybdenum disulfide (MoS2), the world's thinnest semiconductor, and studied how these crystals stitch together ...
These days, aerospace engineering is all about the light stuff: building airplanes with lighter wings, fuselage and landing gear in an effort to reduce fuel costs.
(Phys.org) —Imagine a bendable tablet computer or an electronic newspaper that could fold to fit in a pocket.
One of the basic principles of nanotechnology is that when you make things extremely small—one nanometer is about five atoms wide, 100,000 times smaller than the diameter of a human hair—they are going ...
Nearly everyone is familiar with the polytetrafluoroethylene (PTFE), otherwise known as Teflon, the brand name used by the chemical company DuPont. Famous for being "non-sticky" and water repellent, PTFE is a dry lubricant ...
Electronic components built from single molecules using chemical synthesis could pave the way for smaller, faster and more green and sustainable electronic devices. Now for the first time, a transistor made ...
Sony Corp. needs more time to study a key proposal from a U.S. hedge fund to spin off a part of its entertainment unit as a way to propel its fledgling revival, the chief executive told shareholders Thursday.
Astronauts struck floating martial arts poses, twirled gyroscopes and manipulated wobbling globes of water during a lecture Thursday from China's orbiting space station that's part of efforts to popularize ...
The protected area network in Tanzania is playing a vital role in the survival of savannah bird species as they move west in response to climate and environmental changes, according to new research led by the University of ...
State policymakers' attention to teacher quality—an issue education research shows is essential to improving schooling outcomes for racial minority students—is highly responsive to low graduation rates among white students, ...
The Philippines financial capital banned disposable plastic shopping bags and styrofoam food containers on Thursday, as part of escalating efforts across the nation's capital to curb rubbish that exacerbates ...
A medical aid group on Wednesday urged Spain to scrap a "dangerous" austerity reform that has deprived nearly 900,000 foreigners of access to free healthcare, saying it was putting lives at risk.
"Look me straight in the eye. Your mind is emptying, your body is relaxing," says the fireman, using the calming words of hypnosis to help a trauma victim—a technique being pioneered by fire crews in the eastern French ...
Differences between Martian meteorites and rocks examined by a NASA rover can be explained if Mars had an oxygen-rich atmosphere 4000 million years ago—well before the rise of atmospheric oxygen on Earth ...
Los Angeles' school system, the second largest in the United States, is ordering iPads for all its students, handing Apple a major success in its quest to make the tablet computer a replacement for textbooks.
Frustration led to revelation when Rice University scientists determined how graphene might be made useful for high-capacity batteries.
Inspired by the structure of moth eyes, researchers at North Carolina State University have developed nanostructures that limit reflection at the interfaces where two thin films meet, suppressing the "thin-film ...
Scientists have identified nanostructures in the ultra-black skin markings of an African viper which they said Thursday could inspire the quest to create the ultimate light-absorbing material.
Writing in Nature, a large international team led Dr Roman Gorbachev from The University of Manchester shows that, when graphene placed on top of insulating boron nitride, or 'white graphene', the electr ...
(Phys.org) —Among its many talents, silver is an antibiotic. Titanium dioxide is known to glom on to certain heavy metals and pollutants. Yet other materials do the same for salt. In recent years, environmental ...
(Phys.org) —Alloys like bronze and steel have been transformational for centuries, yielding top-of-the-line machines necessary for industry. As scientists move toward nanotechnology, however, the focus ...
(Phys.org) —Most Americans want the U.S. to place more emphasis on developing solar power, recent polls suggest. A major impediment, however, is the cost to manufacture, install and maintain solar panels. ...
(Phys.org) —Researchers at Pacific Northwest National Laboratory have uncovered the characteristics of a low-resistance electrical contact to strontium titanate, SrTiO3, an important prototypical oxide semi ...
(Phys.org) —A billion-pixel view from the surface of Mars, from NASA's Mars rover Curiosity, offers armchair explorers a way to examine one part of the Red Planet in great detail.
Today in the journal Nature, researchers at MIT's Media Lab report a new approach to generating holograms that could lead to color holographic-video displays that are much cheaper to manufacture than today' ...
(Medical Xpress)—Neurophysiologist like to think of neurons as communicating with spikes. If that were the whole story, it might be possible to imagine spike codes which could then be used to estimate the ...
Using clouds of ultra-cold atoms and a pair of lasers operating at optical wavelengths, researchers have reached a quantum network milestone: entangling light with an optical atomic coherence composed of ...
The CIA selected Amazon over IBM to build a cloud computing service for the spy agency even though IBM's proposal carried a lower price tag, according to a government report.
It is likely some of the most widespread and oldest art in the United States. Pieces of rock art dot the Appalachian Mountains, and research by University of Tennessee, Knoxville, anthropology professor Jan ...
(Phys.org) —The smaller components become, the more difficult it is to create patterns in an economical and reproducible way, according to an interdisciplinary team of Penn State researchers who, using ...
Two researchers at the University of Rochester have discovered the chemical that makes naked mole rats cancer-proof. Their research paper will be published this week in the journal Nature.
Stratasys, a leading maker of 3-D printers, is buying another 3-D printer manufacturer, MakerBot, for $403 million in stock.
Computational photography is the use of clever light-gathering tricks and sophisticated algorithms to extract more information from the visual environment than traditional cameras can.
Neuroscientists may soon be modern-day harpooners, snaring individual brain-cell signals instead of whales with tiny spears made of carbon nanotubes.
(Phys.org) —Improved methods for breaking down cellulose nanofibers are central to cost-effective biofuel production and the subject of new research from Los Alamos National Laboratory (LANL) and the Great ...
A mysterious new respiratory virus that originated in the Middle East spreads easily between people and appears more deadly than SARS, doctors reported Wednesday after investigating the biggest outbreak in ...
(Phys.org) —Chemical researchers D K Abdullah and Ahmad Shamsuri of University Putra Malaysia have found a way to synthesize vanillin from sawdust in an environmentally friendly way. In their paper they've ...
A new study examining the brains of fruit flies reveals a novel stem cell mechanism that may help explain how neurons form in humans. A paper on the study by researchers at the University of Oregon appeared ...
(Medical Xpress)—A team of researchers from the U.S. and Scotland has developed a new type of retinal prostheses designed to restore sight to blind patients. In their paper published in the journal Nature Co ...
A new joint innovation by the National Physical Laboratory (NPL) and the University of Cambridge could pave the way for redefining the ampere in terms of fundamental constants of physics. The world's first ...
Leading nanoscientists created beautiful, tiled patterns with flat nanocrystals, but they were left with a mystery: Why did some sets of crystals arrange themselves in an alternating, herringbone style? To ...
Researchers from IMDEA-Nanociencia Institute and from Autonoma and Complutense Universities of Madrid (Spain) have managed to give graphene magnetic properties. The breakthrough, published in the journal ...
(Phys.org) —Quantum dots are tiny nanocrystals with extraordinary optical and electrical properties with possible uses in dye production, bioimaging, and solar energy production. Researchers at the University ...
Researchers have discovered a technique for controlling the sensitivity of graphene chemical sensors.
People can plan strategic movements to several different targets at the same time, even when they see far fewer targets than are actually present, according to a new study published in Psychological Science, a jour ...
(Phys.org) —The European Union's Seventh Framework Programme, EUROnu, has submitted its findings to a panel at CERN. Charged with choosing a project to study the nature of matter and antimatter, the project ...
For the first time, scientists at Carnegie Mellon University have identified which emotion a person is experiencing based on brain activity.
Taking inspiration from trees, scientists have developed a battery made from a sliver of wood coated with tin that shows promise for becoming a tiny, long-lasting, efficient and environmentally friendly energy ...
Long before plants and animals inhabited the earth, when life consisted of single-celled organisms afloat in a planet-wide sea, bacteria invaded these organisms and took up permanent residence. One bacterium ...
A new study challenges the orthodoxy of microbiology that in response to environmental changes, bacterial genes will boost production of needed proteins and decrease production of those that aren't. Researchers ...
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