During major interstate road closures, area air quality improves dramatically
(Phys.org)—Take the time to enjoy a deep breath next weekend when the 405 freeway closes for Carmageddon II. If it's anything like last year, the air quality is about to get amazing.
Thermoelectric material is world's best at converting heat waste to electricity
Northwestern University scientists have developed a thermoelectric material that is the best in the world at converting waste heat to electricity. This is very good news once you realize nearly two-thirds of energy input ...
Aldo Leopold's field notes score a lost 'soundscape'
Among his many qualities, the pioneering wildlife ecologist Aldo Leopold was a meticulous taker of field notes.
New method knocks out stubborn electron problem
A newly published article in Physical Review Letters eliminates one of the top unsolved theoretical problems in chemical physics as ranked by the National Research Council in 1995. Scientists now can more a ...
NASA surpasses test facility record with J-2X powerpack test
(Phys.org) -- NASA's Stennis Space Center near Bay St. Louis, Miss., broke its own record Friday when it conducted a test on the new J-2X powerpack. The test lasted for 1,150 seconds, surpassing the previous ...
New property of flames sparks advances in technology
Chemists at UCL have discovered a new property of flames, which allows them to control reactions at a solid surface in a flame and opens up a whole new field of chemical innovation.
Chemical engineers devise new nontoxic, noncorrosive, 'low-temperature' method to split water
(Phys.org) -- Providing a possible new route to hydrogen-gas production, researchers at the California Institute of Technology (Caltech) have devised a series of chemical reactions that allows them, for the ...
Tesla to launch electric sedan in US on June 22
Tesla Motors said Tuesday it would begin deliveries of "the world's first premium electric sedan" on June 22, slightly ahead of schedule.
Delphi gasoline-injection engine technique rivals hybrid's edge
Controlling heat flow with atomic-level precision
Through a combination of atomic-scale materials design and ultrafast measurements, researchers at the University of Illinois have revealed new insights about how heat flows across an interface between two ...
Driving the green: New study suggests that electric-powered trucks will save money for businesses
A company looking to purchase an electric-powered delivery truck today will likely experience some sticker shock: Such a vehicle costs nearly $150,000, compared to about $50,000 for the same kind of truck ...
NASA's J-2X engine kicks off 2012 with powerpack testing
(PhysOrg.com) -- A new series of tests on the engine that will help carry humans to deep space will begin next week at NASA's Stennis Space Center in southern Mississippi. The tests on the J-2X engine bring ...
China's drive for 'green' cars hits roadblocks
Foreign and domestic car makers are struggling to sell environmentally friendly vehicles in China, the world's largest auto market, even as Beijing pumps billions into clean energy.
One-third of car fuel consumption is due to friction loss
No less than one third of a car's fuel consumption is spent in overcoming friction, and this friction loss has a direct impact on both fuel consumption and emissions. However, new technology can reduce friction by anything ...