News tagged with sails

Could solar wind power Earth?

(PhysOrg.com) -- As we strive to find sources of alternative energy, a number of researchers continue to look to what we consider the ultimate in renewable energy -- the sun. However, on earth creating efficient ...

dateOct 04, 2010 in Energy & Green Tech weblog
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Setting sail in the sun

Propelled by sunlight pressure, large lightweight sails made of ultrathin aluminum-coated plastic could one day take probes to the edge of our solar system and other stars.

dateSep 03, 2010 in Space Exploration
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Planetary Society plans new 'solar sail'

(AP) -- Four years after its first solar sail ended up in the ocean instead of orbit, The Planetary Society announced Monday that by the end of 2010 it will try again to launch a spacecraft that will be propelled by the ...

dateNov 09, 2009 in Space Exploration
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Design tool for materials with a memory

Shape memory alloys can "remember" a condition. If they are deformed, a temperature change can be enough to bring them back to their original shape. A simulation calculates the characteristics of these materials.

dateJul 13, 2009 in Engineering
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Ancient trading raft sails anew

(PhysOrg.com) -- For the first time in nearly 500 years, a full-size balsa-wood raft just like those used in pre-Columbian Pacific trade took to the water on Sunday, May 10. Only this time, instead of the ...

dateMay 13, 2009 in Archaeology & Fossils
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