Archive: 02/03/2011

Clouds amplify ecological light pollution

The brightness of the nightly sky glow over major cities has been shown to depend strongly on cloud cover. In natural environments, clouds make the night sky darker by blocking the light of the stars but around urban centers, ...

dateMar 02, 2011 in Environment
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Black holes: a model for superconductors?

Black holes are some of the heaviest objects in the universe. Electrons are some of the lightest. Now physicists at the University of Illinois at Urbana-Champaign have shown how charged black holes can be used to model the ...

dateMar 02, 2011 in General Physics
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Retailers hope iPad will inspire shoppers

At a time when shopping has lost most of its glamour, the star power of Apple's iPad has retailers' hearts beating faster. Merchants from Gucci to J.C. Penney are experimenting with ways to use electronic tablets in their ...

dateMar 02, 2011 in Business
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