(PhysOrg.com) -- Light-emitting diodes, which employ semiconductors to produce artificial light, could reduce electricity consumption and lighten the impact of greenhouse gas emissions. However, moving this technology beyond ...
Nanophysics
Apr 6, 2010
7
0
(PhysOrg.com) -- A massive white dwarf star in our galaxy may become a supernova several million years from now, and could damage the Earth and possibly destroy life on Earth.
Roughly 20 percent of the electricity consumed worldwide is used to light homes, businesses, and other private and public spaces. Though this consumption represents a large drain on resources, it also presents a tremendous ...
General Physics
Apr 7, 2009
5
0
A freak wave at sea is a terrifying sight. Seven stories tall, wildly unpredictable, and incredibly destructive, such waves have been known to emerge from calm waters and swallow ships whole. But rogue waves of light -- rare ...
Optics & Photonics
Mar 5, 2009
2
0
A new nonlinear optical property of tiny particles has been discovered by an international team of scientists led by physicists at the University of Bath, with important implications for researchers working in fields as diverse ...
Nanophysics
Jun 17, 2024
0
41
Scientists at the University of Warwick are using artificial intelligence (AI) to analyze cosmic explosions known as supernovae. Their paper is published in Monthly Notices of the Royal Astronomical Society.
Astronomy
May 31, 2024
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241
Potential signs of the rainbow-like "glory effect" have been detected on a planet outside our solar system. Glory are colorful concentric rings of light that occur only under peculiar conditions.
Astronomy
Apr 5, 2024
4
142
In the year 1181 a rare supernova explosion appeared in the night sky, staying visible for 185 consecutive days. Historical records show that the supernova looked like a temporary "star" in the constellation Cassiopeia shining ...
Astronomy
Mar 27, 2024
0
86
In a recent study published in The Astrophysical Journal, Hu Jialiang and Prof. Lin Jun from Yunnan Observatories (YNAO) of the Chinese Academy of Sciences and their collaborators proposed a new mechanism for the generation ...
Astronomy
Feb 26, 2024
0
43
Color mixing is the process of combining two or more colors: red and green make yellow, blue and red make purple, red and green and blue make white. This process of mixing colors is the basis for the future of solid-state ...
Condensed Matter
Jan 23, 2024
0
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