(Phys.org) —The Energy Department's National Renewable Energy Lab has announced a world record of 31.1% conversion efficiency for a two-junction solar cell under one sun of illumination.
Energy & Green Tech
Jun 25, 2013
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Humans' closest animal relatives, chimpanzees, have the ability to "think about thinking" – what is called "metacognition," according to new research by scientists at Georgia State University and the University at Buffalo.
Plants & Animals
Apr 3, 2013
9
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(Phys.org) —Studying volcanos can be hazardous work, both for researchers and aircraft. To penetrate such dangerous airspace, unmanned aerial vehicles (UAVs), especially those with electric engines that ingest little contaminated ...
Earth Sciences
Apr 2, 2013
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(Phys.org)—Can windows, tablets and e readers turn light into power? Can a surface coated with solar cells take sunlight and the glow of bulbs and change them into energy? As reported in Technology Review, expert scientists ...
(Phys.org)—Scientists are doing it all the time, attempting to mimic systems and structures of plants and animals to manufacture something entirely new. A group of South Korean scientists have collaborated to translate ...
A team of researchers from Arizona State University have found that warming resulting from megapolitan expansion is seasonally dependent, with greatest warming occurring during summer and least during winter. Among the most ...
Environment
Sep 7, 2012
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Imagine a world where the rooftops and pavements of every urban area are resurfaced to increase the reflection of the Sun's light rays. Well, this is exactly what a group of Canadian researchers have done in an attempt to ...
Environment
Apr 12, 2012
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(PhysOrg.com) -- In optical devices designed and used to collect light, there has always been a loss of light due to reflection, now, new research by a team of physicists from Spain and England has found, via calculation, ...
If you're a snack-sized squid or octopus living in the ocean zone where the last bit of daylight gives way, having some control over your reflection could be a matter of life and death.
Plants & Animals
Nov 10, 2011
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Legend tells of Greek engineer and inventor Archimedes using parabolic mirrors to create "heat rays" to burn the ships attacking Syracuse. Though the underpinnings of that claim are speculative at best, a modern-day team ...
General Physics
Sep 12, 2011
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