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) |
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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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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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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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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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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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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
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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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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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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Breakthrough furnace can cut solar costs
(PhysOrg.com) -- Solar cells, the heart of the photovoltaic industry, must be tested for mechanical strength, oxidized, annealed, purified, diffused, etched, and layered.
Technology / Energy & Green Tech
Oct 25, 2011 |
5 / 5 (8) |
11
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Thermoelectric materials: recycling energy
(PhysOrg.com) -- For some years now, NASA has been using what are called thermoelectric materials to power its space probes. The probes travel such great distances from our sun that solar panels are no longer ...
Mar 31, 2011 |
5 / 5 (3) |
4
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Device can heat home, save money
(PhysOrg.com) -- A new polymer-based solar-thermal device is the first to generate power from both heat and visible sunlight – an advance that could shave the cost of heating a home by as much as 40 percent.
Technology / Energy & Green Tech
Apr 19, 2011 |
4.8 / 5 (10) |
18
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Afforestation will hardly dent warming problem: study
Schemes to convert croplands or marginal lands to forests will make almost no inroads against global warming this century, a scientific study published on Sunday said.
Jun 19, 2011 |
4.2 / 5 (9) |
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