Conventional wisdom would say that blocking a hole would prevent light from going through it, but Princeton University engineers have discovered the opposite to be true. A research team has found that placing a metal cap ...
Optics & Photonics
Nov 22, 2011
25
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Clues to future climate may be found in the way that an ordinary drinking glass shatters. A study appearing this week in Proceedings of the National Academy of Sciences finds that microscopic particles of dust, emitted into ...
Earth Sciences
Dec 27, 2010
21
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International experts are warning that potentially lethal air pollution has boomed in fast-growing big cities in Asia and South America in recent decades.
Environment
Mar 23, 2009
3
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Since 2006, when NASA's Stardust spacecraft delivered its aerogel and aluminum foil dust collectors to Earth, a team of scientists has combed through the collectors in search of rare, microscopic particles of interstellar ...
Space Exploration
Aug 14, 2014
2
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The first analysis of space dust collected by a special collector onboard NASA's Stardust mission and sent back to Earth for study in 2006 suggests the tiny specks open a door to studying the origins of the solar system and ...
Space Exploration
Aug 29, 2014
2
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(PhysOrg.com) -- Fat doughnut-shaped dust shrouds that obscure about half of supermassive black holes could be the result of high speed crashes between planets and asteroids, according to a new theory from an international ...
Astronomy
Oct 28, 2011
6
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(Phys.org)—Astronomers using the Atacama Large Millimeter/submillimeter Array have for the first time found that the outer region of a dusty disc encircling a brown dwarf contains millimetre-sized solid grains like those ...
Astronomy
Nov 30, 2012
6
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Japan's space agency said it had found a trace of gas Thursday in a capsule thought to contain asteroid dust that was brought back to Earth after a multi-billion-kilometre (mile) space journey.
Space Exploration
Jun 24, 2010
6
0
LISA Pathfinder, a mission led by ESA (the European Space Agency) that included NASA contributions, successfully demonstrated technologies needed to build a future space-based gravitational wave observatory, a tool for detecting ...
Space Exploration
Nov 18, 2019
1
360
(Phys.org)—As earth's climate warms, scientists have tried to understand why the poles are heating up two to three times faster than the rest of the planet. Airborne dust, it turns out, may play a key role.
Earth Sciences
Jan 10, 2013
9
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