(Phys.org)—Neither smooth nor disordered, gamma-alumina nanoparticles are corrugated with tiny pores inside, according to scientists at Pacific Northwest National Laboratory. Using a powerful transmission electron microscope, ...
Nanomaterials
Jan 29, 2013
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(Phys.org)—Researchers at Pacific Northwest National Laboratory traced the different ways pollution particles change summer monsoon rainfall in South Asia. They found that pollution's effect through "slow" processes, affecting ...
Earth Sciences
Dec 24, 2012
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For the first time, astronomers have found a microquasar—a black hole devouring material from a companion star—in a galaxy beyond our own Milky Way. The object, pumping out X-rays and bright bursts of radio waves, was ...
Astronomy
Dec 12, 2012
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Air pollution in Asia, which already kills at least 800,000 people each year, will likely lead to even higher death rates as the region's air quality worsens, an environmental group warned Wednesday.
Environment
Dec 5, 2012
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(Phys.org)—Scientists at the University of Texas at Austin and Cornell University have fabricated the first ordered arrays of silicon nanocrystals reported to date. Brian A. Korgel and colleagues developed a new chemical ...
Nanophysics
Nov 21, 2012
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(Phys.org)—Silver nanoparticles can have a severe environmental impact if their utilisation in clothing continues to increase. If everyone buys one silver nanoparticle-treated sock a year, the silver concentration in waste ...
Bio & Medicine
Nov 1, 2012
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(Phys.org)—Overnight on October 4-5, 2012, a mass of energetic particles from the atmosphere of the Sun were flung out into space, a phenomenon known as a coronal mass ejection. Three days later, the storm from the Sun ...
Space Exploration
Oct 10, 2012
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(Phys.org)—Catalytic converters work poorly if they have not yet warmed up. Tiny metal particles in a catalytic converter require a minimum temperature to function efficiently. At the Vienna University of Technology, thanks ...
Materials Science
Oct 8, 2012
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(Phys.org)—City carbons and country carbons regularly mix in the atmosphere, but how do they get along? That is essentially the question being tackled by a team of scientists led by researchers at Pacific Northwest National ...
Earth Sciences
Aug 27, 2012
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Dust and aerosol pollution from Asia travels across the ocean and sullies the air in the United States and Canada, possibly worsening the effects of climate change, a study showed Thursday.
Earth Sciences
Aug 2, 2012
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