Lightsails
A beam of light carries both energy and momentum. The momentum of light results in a slight pressure on a surface exposed to sunlight that is known as photon pressure. When light reflects o...
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Solar Sail
Scientists are looking for ways to propel spacecraft with less fuel than a rocket uses. The solar sail intrigues many because it requires no fuel at all.
In the late 1860s the theory of ele...
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Washington (dpa) - Stubborn, resistant screws are a bane of human
existence. When they refuse to budge in zero gravity, the problem
take on nightmarish proportions.
...
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Washington (dpa) - Two tears in a huge solar sail on the
International Space Station (ISS) are due to be repaired Saturday,
the US space agency NASA said.
Ast...
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Lightsails
Solar Sail
PREVIEW: Atlantis Crew ready for solar sail's muscle challenge
