Tag: "electricity" at biology news
DuPont introduces in-home personal protection from dangers of hurricanes
...h the walls of a home. The room is ventilated and electricity
and plumbing can be installed. It is ideal for both existing homes and new home construction with a concrete slab foundation. Installed by an authorized building professional, the room can also be added to a new or existing garage with a slab concr...
Wastewater could treat itself, power city
...c material to potentially produce 113 megawatts of electricity
or close to 990 million kilowatt hours a year. ...e wastewater treatment plants could produce enough electricity
for their own operation," says civil engineering professor David Bagley, who conducted the research ...
Two Virginia Tech energy-related inventions win R&D 100 awards
...r this process. Electrons are captured to generate electricity
and protons pass through the membrane film, then combine with oxygen to create a environmentally neutral water byproduct. PEM fuel cells can be integrated into stacks to provide from .001 up to 250 kW of power, Vijayendran explained in the R&D 100...
Environmental costs of home construction lower with wise choice, reuse of building materials
...The energy tallied for the study included not just electricity
but also such things as diesel and fuel oil to ext... natural gas to generate steam in lumber mills and electricity
for steel mills. "Everything kind of flows from energy consumption," Lippke says. "If you're using ...
Cleaner water, more efficient electricity among UH chemical research
... bacteria removal in water and quantum shuttles in electricity
to defining career moments, at the 228th National Meeting of the American Chemical Society, Aug. 22 to 26 in Philadelphia. Founded in 1876, the American Chemical Society (ACS) is a nonprofit, scientific, educational organization. Chartered by the ...
Near-zero-energy buildings blessing to owners, environment
OAK RIDGE, Tenn., Aug. 11, 2004 An electricity
meter that sometimes runs backwards is just one of...ncy homes and businesses also reduce the amount of electricity
that needs to be generated, thus reducing pollution, said Jeff Christian of DOE's Oak Ridge National...
Can you tell the difference between Quarks and DNA?
...ear physics which generates almost 25% of the UK's electricity
supply, and provides the isotopes used in over 27,000 medical procedures every day. Next week (Monday 5th April) nuclear physicists will gather in Edinburgh to discuss the latest advances in our understanding of these fundamental particles. The IoP...
Best way to clean up toxic plumes? Give 'em a pill
...t the surface. "This requires a constant source of electricity
and continuous monitoring, and there's always the chance that the system could break down," Schwartz said. With potassium permanganate, there's little chance that any would be left in the water supply once these reactions happen, Schwartz said. "Pota...
UN study shows environmental consequences from ongoing boom in personal computer sales
... market is also important," he says. Barriers to electricity
savings in using computers A study commissioned b...y the US Department of Energy showed that 3% of US electricity
consumption in 2000 was due to IT equipment. Book contributor Danielle Cole says that while the inc...
Microbial fuel cell cleans, generates electricity from domestic wastewater
...ime, that a microbial fuel cell (MFC) can generate electricity
while simultaneously cleaning the wastewater that ...rchers have shown that MFCs can be used to produce electricity
from water containing pure chemicals including glucose, acetate or lactate. The Penn State research...
Fuel-cell microbes' double duty: treat water, make energy
...a ondouble-duty-treating wastewater and generating electricity
at thesame time. The key is an innovative, singl... the complex bacterialcommunity needed to generate electricity
Powerful machines are coming in small packages
...tromechanical Systems), which involves the flow of electricity
rather than fluids through micromechanical structures. The carbon-based arrays of MEMs microbatteries made by Marc Madou of the University of California, Irvine, and his colleagues have thousands of anodes and cathodes very close together. Thus, the ...
New reactor puts hydrogen from renewable fuels within reach
...ials science. "The hydrogen economy means cars and electricity
powered by hydrogen," said Schmidt. "But hydrogen is hard to come by. You can't pipe it long distances. There are a few hydrogen fueling stations, but they strip hydrogen from methane--natural gas--on site. It's expensive, and because it uses fossil ...
Free, public events at the 2004 AAAS Annual Meeting
...& Trade Center, Exhibition Hall From hair-raising electricity
to mysterious "Oobleck" goo demonstrations, the AAAS Family Science Days promise excitement. Free ice cream will be made with liquid nitrogen four times daily, and all participants will receive a free flashing yo-yo, while supplies last. Drawings for...
2004 AAAS annual meeting spotlights world health, oceans and family science
...eadlines, plus family science -- from hair-raising electricity
to "Oobleck" demos -- promise something for everyone at the 2004 AAAS Annual Meeting. Set for 12-16 February in Seattle, Washington, the world's largest general scientific conference offers free events for families and job-seekers, as well as a peer-...
Scientists decode DNA of bacterium that cleans up uranium contamination and generates electricity
..., which are more easily removed. Small charges of electricity
are also created through the reduction process. Geobacter is also of interest to the Department of Energy because of its potential to create an electrical current in a "bio-battery." Geobacter microbes are widely distributed in nature and are comm...
Scientists decipher genome of bacterium that remediates uranium contamination, generates electricity
... secrets behind a microbe's capability to generate electricity
and to help clean up radioactive contamination, sc...ntial for bioremediation of radioactive metals and electricity
generation." Reduction is a chemical process during which electrons are added to metal ions. As a re...
Saliva spits out information on chemical exposure
...are targeted to the organophosphate chemicals, and electricity
is applied. If organophophates are present, there is a decrease in the electrical current that can be correlated to the amount of chemical present. The hand-held biosensor detection system will facilitate the on-site saliva monitoring of exposures to...
Purdue biologists' spotlight solves mysteries of photosynthesis, metabolism
...r has far more complex and numerous routes for its electricity
to follow than, say, a flashlight, which only has one. But while a chip uses electrons to flip tiny digital switches back and forth for calculations, the membrane uses them to drive the cell's metabolism." The cell that provided the proteins for the...
Manual, low-tech method for 2nd trimester abortions found safe and effective
...kins. The more costly electrical devices and the electricity
needed to power them often are not available in less developed parts of the world, but there had been questions about comparative quality of the two methods. The manual technique had been commonly used for first-trimester abortions, but never for se...
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