News tagged with waste
Turning heat to electricity... efficiently
Nov 18, 2009 |
4.8 / 5 (64) |
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(PhysOrg.com) -- In everything from computer processor chips to car engines to electric powerplants, the need to get rid of excess heat creates a major source of inefficiency. But new research points the way ...
US army to be powered by waste
Oct 12, 2009 |
4.5 / 5 (11) |
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(PhysOrg.com) -- Defense company Qinetiq has been awarded a contract to supply the US army with a system that generates electricity from garbage.
Study Finds that Styrofoam Increases Biodiesel Power Output
May 04, 2009 |
2.7 / 5 (11) |
9
(PhysOrg.com) -- By dissolving polystyrene packing peanuts in biodiesel, scientists have found that they can boost the power output of the fuel while getting rid of garbage at the same time.
Tiny super-plant can clean up animal waste, be used for ethanol production
Apr 07, 2009 |
5 / 5 (16) |
11
Researchers at North Carolina State University have found that a tiny aquatic plant can be used to clean up animal waste at industrial hog farms and potentially be part of the answer for the global energy ...
Breakthrough made in energy efficiency, use of waste heat
Apr 01, 2009 |
4.4 / 5 (12) |
4
Engineers at Oregon State University have made a major new advance in taking waste heat and using it to run a cooling system - a technology that can improve the energy efficiency of diesel engines, and perhaps some day will ...
Solar-powered LED light made of bottles
Electronics / Consumer & Gadgets
Jan 20, 2009 |
3.3 / 5 (23) |
7
(PhysOrg.com) -- The Solarbulb, a new lighting gadget from miniWIZ, doesn't exactly come with all parts included: you have to add your own water or soda bottle. The LED Solarbulb screws onto just about any ...
Crashing the size barrier
Nov 18, 2009 |
4.5 / 5 (15) |
6
Like surfers on monster waves, electrons can ride waves of plasma to very high energies in a very short distance. Scientists have proven that plasma acceleration works. Now they're developing it as a way to ...
'Catastrophic' e-waste fuels global toxic dump
Nov 13, 2009 |
4.5 / 5 (12) |
0
A "catastrophic accumulation" of dozens of millions of tonnes of "e-waste" from computers, cellphones and television sets is fuelling a global pile of hazardous waste, an international body warned Friday.
Green Ideas: Making Concrete from Rice
Jul 21, 2009 |
3.1 / 5 (13) |
7
(PhysOrg.com) -- Concrete accounts for about 5% of all human-related CO2 emissions. The fact that we use so much cement in building could mean that the issue becomes even more pronounced in the future. Bu ...
Astronauts deal with flooded toilet in orbit
Space & Earth / Space Exploration
Jul 19, 2009 |
4 / 5 (2) |
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(AP) -- The bathroom lines at the already crowded space shuttle and space station complex got a lot longer Sunday because of a flooded toilet. One of two commodes aboard the international space station malfunctioned, ...
Can Recycling Be Bad for the Environment?
Jul 14, 2009 |
3.2 / 5 (31) |
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(PhysOrg.com) -- By now, nearly everyone knows that it is important to recycle. It helps the environment. Even my six-year-old knows that. But what if it doesn't? While it seems pretty straightforward, in ...
New technique can fast-track better ionic liquids for biomass pre-treatments
Jul 10, 2009 |
4.8 / 5 (4) |
3
They've been dubbed "grassoline" - second generation biofuels made from inedible plant material, including fast-growing weeds, agricultural waste, sawdust, etc. - and numerous scientific studies have shown ...
MIT slows concrete creep to a crawl
Jun 16, 2009 |
4.9 / 5 (12) |
3
MIT civil engineers have for the first time identified what causes the most frequently used building material on earth — concrete — to gradually deform, decreasing its durability and shortening the lifespan of infrastructures ...
Dell bans e-waste export to developing countries
May 12, 2009 |
not rated yet |
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(AP) -- PC maker Dell Inc. formally banned on Tuesday the export of broken computers, monitors and parts to developing countries amid complaints that lax enforcement of environmental and worker-safety regulations have allowed ...
Advance toward producing biofuels without stressing global food supply
May 07, 2009 |
4 / 5 (3) |
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Scientists in California are reporting use of a first-of-its-kind approach to craft genetically engineered microbes with the much-sought ability to transform switchgrass, corn cobs, and other organic materials ...
