Scientists at the University of Illinois at Urbana-Champaign have again broken their own speed record for the world’s fastest transistor. With a frequency of 845 gigahertz, their latest device is approximately 300 gigahertz ...
Hardware
Dec 11, 2006
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The decomposition of plant, animal and microbial material in soil and water produces a variety of complex organic molecules, collectively called natural organic matter. These compounds play many important roles in the environment.
Earth Sciences
Dec 11, 2006
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How heavy can a star be? This conundrum has haunted astronomers for decades. Theory indicates that there should be an upper stellar mass limit somewhere between 120 and 300 solar masses. Even though heavy stars are very bright, ...
Astronomy
Dec 11, 2006
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If all the cars and light trucks in the nation switched from oil to electrons, idle capacity in the existing electric power system could generate most of the electricity consumed by plug-in hybrid electric vehicles. A new ...
Energy & Green Tech
Dec 11, 2006
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Carbon dioxide emissions from the burning of fossil fuels will produce a 3 percent reduction in the density of Earth's outermost atmosphere by 2017, according to a team of scientists from the National Center for Atmospheric ...
Earth Sciences
Dec 11, 2006
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Small insects that inhabit some of the most remote parts of the United States are sending a strong message about climate change. New research suggests that changes in midge communities in some of these areas provide additional ...
Other
Dec 11, 2006
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New findings indicate that the aurora and other near-Earth space weather are driven by the rate at which the Earth’s and sun’s magnetic fields connect, or merge, and not by the solar wind’s electric field as was previously ...
Earth Sciences
Dec 11, 2006
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In future a new generation of nuclear reactors will create energy, while producing virtually no long-lasting nuclear waste, according to research conducted by Wilfred van Rooijen, who will receive his Delft University of ...
Energy & Green Tech
Dec 11, 2006
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In the first test of a new radar instrument, scientists have seen through more than a mile of Greenland ice to reveal an image of land that has been hidden for millions of years.
Earth Sciences
Dec 11, 2006
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If your family and friends approve of speeding, then chances are you are more likely to plant your foot on the accelerator, a study by Queensland University of Technology has found.
Other
Dec 11, 2006
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