News tagged with solar pressure
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Planetary Society plans new 'solar sail'
Space & Earth / Space Exploration
Nov 09, 2009 |
4.7 / 5 (14) |
1
(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 ...
A Tale of Planetary Woe (w/ Video)
Space & Earth / Space Exploration
Nov 11, 2009 |
4.2 / 5 (11) |
5
Once upon a time — roughly four billion years ago — Mars was warm and wet, much like Earth. Liquid water flowed on the Martian surface in long rivers that emptied into shallow seas. A thick atmosphere blanketed ...
Cassini's Big Sky: The View from the Center of Our Solar System
Space & Earth / Space Exploration
Nov 20, 2009 |
4.8 / 5 (15) |
1
(PhysOrg.com) -- When NASA's Cassini spacecraft began orbiting Saturn five years ago, a dozen highly-tuned science instruments set to work surveying, sniffing, analyzing and scrutinizing the Saturnian system.
Harnessing the power of salt, Norway tries osmotic power
Nov 23, 2009 |
4.2 / 5 (6) |
4
After wind, sun, currents and tides, a company is preparing to make clean electricity by harnessing another natural phenomenon, the energy-unleashing encounter of freshwater and seawater.
Eco-Friendly SUV Gets a Hydrogen Mileage Boost (w/ Video)
Nov 17, 2009 |
4.8 / 5 (4) |
2
(PhysOrg.com) -- Driving hydrogen fueled SUVs for 431 miles per fill-up is no longer a California dream. Researchers from NREL and Toyota recently completed a 331 mile round trip drive between Torrance and ...
A Superbright Supernova That’s the First of Its Kind
Dec 02, 2009 |
4.7 / 5 (24) |
6
(PhysOrg.com) -- An extraordinarily bright, extraordinarily long-lasting supernova named SN 2007bi, snagged in a search by a robotic telescope, turns out to be the first example of the kind of stars that first ...
The greening of Willis Tower: Rooftop gardens part of plan to improve efficiency
Nov 06, 2009 |
4 / 5 (6) |
0
Growing up in the southwest suburbs, Sara Beardsley had a view of the Chicago skyline from her house. Today, she is transforming that skyline, but you won't find her work glorified on a $6 mug or gracing postcards.
Switching Gears to Greener Transportation
Nov 10, 2009 |
3.5 / 5 (4) |
3
Automakers around the world continue to slowly infuse their cars and trucks with greener, more efficient technology, but researchers at Rensselaer Polytechnic Institute contend that technology alone will not ...
Fighting climate change by turning CO2 to stone
Nov 17, 2009 |
3.4 / 5 (12) |
4
(PhysOrg.com) -- While politicians debate the best ways to cut global carbon dioxide emissions, researchers at Idaho National Laboratory's Center for Advanced Energy Studies are charging ahead on a strategy ...
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