(Phys.org) —From the high-resolution glow of flat screen televisions to light bulbs that last for years, light-emitting diodes (LEDs) continue to transform technology. The celebrated efficiency and versatility of LEDs—and ...
Condensed Matter
May 23, 2013
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(Phys.org) —At low light, cats see better than humans. Electronic detectors do even better, but eventually they too become more prone to errors at very low light. The fundamental probabilistic nature of light makes it impossible ...
Quantum Physics
Jun 19, 2013
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(Phys.org) -- Data from NASA's AIM spacecraft show that noctilucent clouds (NLCs) are like a great "geophysical light bulb". They turn on every year in late spring, reaching almost full intensity over a period of no more ...
Space Exploration
Jun 19, 2012
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Researchers in Australia have resolved a fundamental challenge preventing the wide uptake of next-generation perovskite solar cells.
Materials Science
Oct 19, 2020
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Two-dimensional 'nanosheets' made of bonds between metal atoms and organic molecules are attractive candidates for photoelectric conversion, but get corroded easily. In a new study, scientists from Japan and Taiwan present ...
Materials Science
Jul 15, 2021
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Chemical reactions, such as those that occur when charging and discharging a battery, take place primarily on surfaces and at interfaces. While it is very easy to study the macroscopic products of a reaction, it has so far ...
Optics & Photonics
May 20, 2021
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24
Since the announcement that I won the Nobel Prize in physics for chirped pulse amplification, or CPA, there has been a lot of attention on its practical applications.
Other
Jan 14, 2019
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