On a hot summer day, white clothing feels cooler than other colors due to reflecting—not absorbing—sunlight. Other colors like blue or black, will undergo a heating effect as they absorb light. To circumvent this heating ...
Optics & Photonics
Aug 3, 2023
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NASA's "Chamber A" thermal vacuum testing chamber famous for being used during Apollo missions has now been upgraded and remodeled to accommodate testing the James Webb Space Telescope.
Space Exploration
Jan 24, 2013
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(Phys.org)—BBC documentarians filming for a special called "Penguins: Spy in the huddle" have captured video of vampire bats feeding on juvenile Humboldt penguins in a cave in the Atacama Desert in southern Peru. Until ...
(PhysOrg.com) -- A Yale anthropologist has captured photographic images of a rare, cougar-like cat ranging at night in an endangered Ugandan forest.
Plants & Animals
Sep 16, 2009
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(Phys.org)—This dazzling image shows the globular cluster Messier 69, or M 69 for short, as viewed through the NASA/ESA Hubble Space Telescope. Globular clusters are dense collections of old stars. In this picture, foreground ...
Astronomy
Oct 7, 2012
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(Phys.org) —Active camouflage has taken a step forward at the Harvard School of Engineering and Applied Sciences (SEAS), with a new coating that intrinsically conceals its own temperature to thermal cameras.
General Physics
Oct 21, 2013
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Hidden cameras in the jungles of Indonesia's Java island have captured images of 35 critically endangered Javan rhinos, including five calves, an official said Friday.
Ecology
Dec 30, 2011
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(Phys.org) —Gone are the days of being able to count the number of known planets on your fingers. Today, there are more than 800 confirmed exoplanets—planets that orbit stars beyond our sun—and more than 2,700 other ...
Astronomy
May 9, 2013
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Physicists at the Alfred Wegener Institute, the Helmholtz Centre for Polar and Marine Research, successfully tested a thermal imaging system aboard the research vessel Polarstern. The system automatically detects large whales ...
Plants & Animals
Aug 12, 2013
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This swirling landscape of stars is known as the North America Nebula. In visible light, the region resembles North America, but in this image infrared view from NASA's Spitzer Space Telescope, the continent disappears.
Space Exploration
Oct 19, 2011
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