News tagged with solar heat
Solar thermal process produces cement with no carbon dioxide emissions
(Phys.org) -- While the largest contributor to anthropogenic greenhouse gas emissions is the power industry, the second largest is the more often overlooked cement industry, which accounts for 5-6% of all ...
Apr 10, 2012 |
4.6 / 5 (25) |
22
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Primordial dry ice fuels comet jets
One of the biggest comet findings coming out of the amazing images and data taken by the University of Maryland-led EPOXI mission as it zipped past comet Hartley 2 last week is that dry ice is the 'jet' fuel ...
Space & Earth / Space Exploration
Nov 10, 2010 |
4.9 / 5 (15) |
4
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Quantum physicists turn waste heat into power
(PhysOrg.com) -- University of Arizona physicists have discovered a new way of harvesting waste heat and turning it into electrical power. Taking advantage of quantum effects, the technology holds great promise ...
Sep 24, 2010 |
4.7 / 5 (38) |
35
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Planetary scientists solve 40-year-old mysteries of Mars' northern ice cap
Scientists have reconstructed the formation of two curious features in the northern ice cap of Mars—a chasm larger than the Grand Canyon and a series of spiral troughs—solving a pair of mysteries dating back ...
Space & Earth / Earth Sciences
May 26, 2010 |
4.8 / 5 (18) |
1
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Solar power generation around the clock
(PhysOrg.com) -- A Californian company, SolarReserve, is developing a solar power system that can store seven hours' worth of solar energy by focusing mirrors onto millions of gallons of molten salt, allowing ...
Technology / Energy & Green Tech
Nov 05, 2009 |
4.5 / 5 (31) |
15
Desert dust intensifies summer rainfall in U.S. southwest
(Phys.org) -- Dust is more than something to be brushed off the furniture. Scientists at Pacific Northwest National Laboratory found that dust kicked up from the desert floor acts like a heat pump in the atmosphere, ...
Space & Earth / Earth Sciences
May 21, 2012 |
4.9 / 5 (8) |
4
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Arctic Ocean could be source of greenhouse gas: study
(Phys.org) -- The fragile and rapidly changing Arctic region is home to large reservoirs of methane, a potent greenhouse gas. As Earth's climate warms, the methane, frozen in reservoirs stored in Arctic tundra ...
Space & Earth / Earth Sciences
Apr 22, 2012 |
4 / 5 (9) |
39
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Tidal forces could squeeze out planetary water
Alien planets might experience tidal forces powerful enough to remove all their water, leaving behind hot, dry worlds like Venus, researchers said.
Space & Earth / Space Exploration
Feb 09, 2012 |
5 / 5 (2) |
2
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Global warming caused by greenhouse gases delays natural patterns of glaciation
Unprecedented levels of greenhouse gases in the Earth's atmosphere are disrupting normal patterns of glaciation, according to a study co-authored by a University of Florida researcher and published online Jan. 8 in Nature Ge ...
Space & Earth / Earth Sciences
Jan 08, 2012 |
3.5 / 5 (29) |
114
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Jumping droplets take a lot of heat
Microscopic water droplets jumping from one surface to another may hold the key to a wide array of more energy efficient products, ranging from large solar panels to compact laptop computers.
Dec 12, 2011 |
5 / 5 (6) |
0
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Fossil-fuel emissions unbraked by financial crisis
Emissions of carbon dioxide (CO2) from fossil fuels and the cement industry scaled a record high in 2010, rocketing by 5.9 percent over 2009 in a surge led by developing countries, scientists reported on Sunday.
Dec 05, 2011 |
5 / 5 (4) |
10
Abrupt permafrost thaw increases climate threat
As the Arctic warms, greenhouse gases will be released from thawing permafrost faster and at significantly higher levels than previous estimates, according to survey results from 41 international scientists ...
Space & Earth / Earth Sciences
Nov 30, 2011 |
4.4 / 5 (13) |
6
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Canadian solar project wins top environment award
Canada has scooped a top prize for environmental protection awarded by the Austrian foundation Energy Globe for a community project that uses solar-powered heating to warm local houses.
Technology / Energy & Green Tech
Nov 26, 2011 |
4.8 / 5 (14) |
25
New materials turn heat into electricity
Most of today's power plants--from some of the largest solar arrays to nuclear energy facilities--rely on the boiling and condensing of water to produce energy.
Technology / Energy & Green Tech
Nov 07, 2011 |
5 / 5 (19) |
8
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Testing geoengineering
Solar radiation management is a class of theoretical concepts for manipulating the climate in order to reduce the risks of global warming caused by greenhouse gasses. But its potential effectiveness and risks are uncertain, ...
Oct 26, 2011 |
3.7 / 5 (3) |
1
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