(Phys.org)—Over the past few years, Li-air batteries (more precisely, Li-oxygen batteries) have become attractive due to their theoretical ability to store nearly as much energy per volume as gasoline. ...
Jan 02, 2013
4.8 / 5 (19)
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(Phys.org)—No one has ever definitively observed a magnetic monopole, the hypothetical fundamental particle that has only a north or south magnetic pole, but not both like normal magnets do. However, scientists ...
Sep 12, 2012
5 / 5 (9)
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(PhysOrg.com) -- The best performing solar cells are those that are thick enough to absorb light from the entire solar spectrum, while the cheapest solar cells are thin ones, since they require less, and potentially ...
Jan 20, 2012
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(Phys.org) —That Homo sapiens exhibits both cooperative and competitive behavior is a topic that continues to be the subject of ongoing discussion. In terms of cooperation, altruism (a selfless type of prosocial behavior in whic ...
Apr 26, 2013
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(Phys.org)—Taking an important step forward for self-powered systems, researchers have built a nanogenerator with an ultrahigh output voltage of 209 V, which is 3.6 times higher than the previous record ...
Jan 03, 2013
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(Phys.org)—Although researchers know that a large portion of the brain is devoted to visual processing, exactly how we interpret the complex patterns within natural scenes is far from understood. One question ...
Feb 13, 2013
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(Phys.org)—Creating 3D visualizations of hydrogen atoms in proteins is especially challenging, often requiring their locations to be inferred from those of nearby carbon, nitrogen, oxygen or sulfur atoms ...
Sep 20, 2012
5 / 5 (5)
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(Phys.org) —A complex system can, in principle, be observable – that is, the system's complete internal state can be reconstructed from its outputs, which would ostensibly involve describing in comple ...
Mar 07, 2013
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(Phys.org) —Using an ink containing tiny graphene flakes, scientists have inkjet-printed graphene patterns that can be used for printing finely detailed, highly conductive electrodes. Although inkjet-printed ...
Apr 24, 2013
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(Phys.org)—Single-walled carbon nanotubes may one day replace the silicon in electronics, but in order to do so, the nanotubes must be aligned in dense arrays for optimal performance. So far, the highest ...
Feb 14, 2013
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(Phys.org)—Working in the exotic-sounding field of quantum teleportation, physicists are trying to make it easier to transmit quantum information in the form of qubits from one location to another without having the qubits ...
Jan 17, 2013
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(PhysOrg.com) -- More than 500 years ago, Leonardo da Vinci observed a particular relationship between the size of a tree’s trunk and the size of its branches. Specifically, the combined cross-sectional ...
Jan 04, 2012
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(Phys.org) -- As a rising global population and increasing standard of living drive demand for freshwater, many researchers are developing new techniques to desalinate salt water. Among them is a team of scientists ...
Jun 08, 2012
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(Phys.org) -- Replacing the need for nimble fingers, researchers have demonstrated how to make origami using light of a specific wavelength. They call the new folding technique photo-origami, and it could ...
May 10, 2012
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(Phys.org)—Synthetic biology combines science and engineering in the pursuit of two general goals: to design and construct new biological parts, devices, and systems not found in nature; and redesign existing, ...
Sep 14, 2012
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