(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
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There are many things quantum dots could do, but the most obvious place they could change our lives is to make the colors on our TVs and screens more pristine. Research using the Canadian Light Source (CLS) at the University ...
Nanomaterials
Aug 20, 2020
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104
It's common to first see exciting new technologies in science fiction, but less so in stories about wizards and dragons. Yet one of the most interesting bits of kit on display at this year's Consumer Electronics Show (CES) ...
Engineering
Jan 18, 2016
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18
During its impressive 25 years the Hubble Space Telescope has captured numerous remarkable views of the universe, providing astronomers with a wealth of data for making astounding discoveries. Of all the beautiful astronomical ...
Astronomy
Apr 24, 2015
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European astronomers have spotted a giant white-light flare on the ultracool L dwarf designated ULAS J224940.13-011236.9. The newly detected flare is one of the largest flares ever observed from an ultracool dwarf. The discovery ...
It was one of the first famous images revealed by the James Webb Space Telescope earlier this year: a stunning shroud of gas and dust illuminated by a dying star at its heart.
Astronomy
Dec 11, 2022
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(PhysOrg.com) -- ESO's VISTA telescope, at the Paranal Observatory in Chile, has captured a striking new image of the Helix Nebula. This picture, taken in infrared light, reveals strands of cold nebular gas that are invisible ...
Astronomy
Jan 19, 2012
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A University of Oklahoma assistant professor and colleagues have identified two white dwarf stars considered the oldest and closest known to man. Astronomers identified these 11- to 12-billion-year-old white dwarf stars only ...
Astronomy
Apr 11, 2012
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Light emitting diodes, more commonly called LEDs, are known for their energy efficiency and durability, but the bluish, cold light of current white LEDs has precluded their widespread use for indoor lighting.
Engineering
Jan 18, 2013
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A team of astronomers from Australia and Italy has investigated a nearby white dwarf designated 2MASS J050051.85–093054.9 (J0500−0930 for short). In their new study, they report that the object is the closest extremely ...
