This image, taken by the NASA/ESA Hubble Space Telescope, shows the colorful "last hurrah" of a star like our sun. The star is ending its life by casting off its outer layers of gas, which formed a cocoon around the star's ...
Astronomy
Sep 26, 2016
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49
The human eye is particularly sensitive to green, but less sensitive to blue and red. Chemists led by Hubert Huppertz at the University of Innsbruck have now developed a new red phosphor whose light is well perceived by the ...
Materials Science
Apr 25, 2019
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36
Data from the K2 mission reveals strong stellar magnetism in the TRAPPIST-1 system that hosts three potentially habitable planets, suggesting that those planets could be a less friendly place for life.
Astronomy
Apr 4, 2017
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79
The universe contains a mind-boggling number of stars—but scientists' best estimates may be an undercount. A NASA-funded sounding rocket is launching with an improved instrument to look for evidence of extra stars that ...
Astronomy
Jun 4, 2021
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642
(Phys.org) —Minuscule crystals that glow different colors may be the missing ingredient for white LED lighting that illuminates homes and offices as effectively as natural sunlight.
General Physics
May 24, 2013
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0
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
70
White dwarfs were once normal stars similar to the sun but then collapsed after exhausting all their fuel. These interstellar remnants have historically been difficult to study. However, a recent study from Lund University ...
Astronomy
Mar 23, 2022
1
269
Using ESA's XMM-Newton satellite, astronomers from the Columbia University in New York have inspected a peculiar cataclysmic variable system known as Swift J0503.7−2819. Results of the study, presented June 29 on arXiv.org, ...
How many researchers does it take to change a light bulb? And how many lives could they save by changing it?
Engineering
Mar 26, 2015
0
66
A team of researchers at Disney Research and Dartmouth College has developed a new way to display full-color images using only two black patterns printed on transparencies affixed to two sides of a prism.
Engineering
Oct 21, 2015
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118
