A solar-powered plane that has wowed aviation fans in Europe took to the skies Friday over the San Francisco Bay area in a successful test flight.
Apr 19, 2013
4.8 / 5 (12)
2
A new global-scale modeling study that takes into account nitrogen – a key nutrient for plants – estimates that carbon emissions from human activities on land were 40 percent higher in the 1990s than in studies that did ...
Apr 19, 2013
4.2 / 5 (5)
0
Investors are contining to pour money into fossil fuel reserves that could end up being worthless due to efforts to combat climate change, a new report has found.
Apr 19, 2013
3.7 / 5 (22)
26
Scientists have revealed how a bacterial enzyme has evolved an energy-efficient method to move long distances along DNA. The findings, published in Science, present further insight into the coupling of chemical and mechan ...
Apr 19, 2013
4.3 / 5 (3)
0
|
(Phys.org) —The storage of hydrogen in the form of methanol is a highly promising method for using excess energy produced by wind and solar power plants. However, this technology requires an effective catalyst ...
Apr 19, 2013
5 / 5 (2)
2
|
A power source for your mobile phone can now be as close as the nearest tap, stream, or even a puddle, with the world's first water-activated charging device.
Apr 18, 2013
4.7 / 5 (13)
10
|
(Phys.org) —Researchers at Queen's University have discovered a cheaper method for making a substance similar to graphene, a wonder material discovered in 2004.
Apr 18, 2013
4.5 / 5 (6)
0
Portable electric generators retrofitted with off-the-shelf hardware by the University of Alabama (UA) emitted significantly lower levels of carbon monoxide (CO) exhaust, according to the results* of tests conducted by the ...
Apr 17, 2013
not rated yet
0
Could algae that feast on wastewater produce clean bio-fuels and a healthful supply of fish food? Can impoverished African community gardeners learn to use and maintain a simple, centuries-old, non-electric water pump to ...
Apr 17, 2013
not rated yet
0
When it comes to American consumers' vehicular preferences, Texas A&M University chemist Hongcai Joe Zhou says the choice often boils down to simple economics more so than availability, environment or altruism.
Apr 17, 2013
4.5 / 5 (2)
0
Toyota's global sales of gasoline-electric hybrid vehicles have surpassed 5 million in a milestone for a technology that was initially greeted with skepticism.
Apr 17, 2013
5 / 5 (2)
0
A research team from Birkbeck, University of London, Royal Holloway University and Uppsala University in Sweden, have helped explain how ozone causes severe respiratory problems and thousands of cases of premature death each ...
Apr 16, 2013
4.8 / 5 (6)
0
|
(Phys.org) —Though they be but little, they are fierce. The most powerful batteries on the planet are only a few millimeters in size, yet they pack such a punch that a driver could use a cellphone powered ...
Apr 16, 2013
4.4 / 5 (59)
49
|
The latest national survey of 100% biodiesel (B100) "blend stock" samples by the U.S. Department of Energy's National Renewable Energy Laboratory (NREL) found that 95% of the samples from 2011-12 met ASTM International fuel ...
Apr 16, 2013
not rated yet
0
(Phys.org) —In extreme cold, carbon dioxide huddles near charged oxygen atom outcroppings on the surface of oft-studied titanium dioxide; the carbon dioxide lacks the energy to reach a more protected spot, ...
Apr 16, 2013
4.5 / 5 (2)
0
|
