Electric rocket engines known as Hall thrusters, which use a super high-velocity stream of ions to propel a spacecraft in space, have been used successfully onboard many missions for half a century. Erosion of the discharge ...
General Physics
Feb 13, 2013
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A NASA top official wrestled with what he thought was a hypothetical question: What should you tell the astronauts of a doomed space shuttle Columbia?
Space Exploration
Feb 1, 2013
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(Phys.org)—Recent engineering advances by NASA and its industry partners across the country show important progress toward Exploration Flight Test-1 (EFT-1), the next step to launching humans to deep space. The uncrewed ...
Space Exploration
Dec 14, 2012
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(Phys.org)—Yet another eco-conscious announcement from Japan for residents of Japan: Sharp has announced a solar panel of a semi transparent nature for mounting on balcony railings or high-rise windows. These are semi-transparent ...
(Phys.org)—An important test is coming up next week to see whether a heat shield made from the soil of the moon, Mars or an asteroid will stand up to the searing demands of a plunge through Earth's atmosphere.
Space Exploration
Sep 17, 2012
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Want to try your hand at landing an inflatable spacecraft? All you need is a smart phone, a computer or a tablet.
Space Exploration
Sep 6, 2012
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Camouflage face makeup for warfare is undergoing one of the most fundamental changes in thousands of years, as scientists today described a new face paint that both hides soldiers from the enemy and shields their faces from ...
Materials Science
Aug 22, 2012
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Spacewalking astronauts improved the safety of their orbiting home Monday by installing shields to protect against zooming pieces of junk.
Space Exploration
Aug 20, 2012
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A fractured skull and a thigh bone hacked in half -- finds of damaged human bones along with axes, spears, clubs and shields confirm that the bog at Alken Enge was the site of violent conflict.
Archaeology
Aug 14, 2012
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About 36 hours after NASA landed its $2.5 billion rover on Mars, it released Tuesday what it jokingly dubbed a "crime scene" aerial shot of where the parachute, heat shield and vehicle came down.
Space Exploration
Aug 7, 2012
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