Pennsylvania State University

Jet contrails affect surface temperatures

High in the sky where the cirrus ice crystal clouds form, jet contrails draw their crisscross patterns. Now researchers have found that these elevated ice cloud trails can influence temperatures on the ground and affect local ...

dateJun 18, 2015 in Earth Sciences
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How alternative currencies could catch on and cash in

Alternatives to cash, like Bitcoin and Uber, may never replace the coins in our pockets or paper bills in our wallets, but they are creating significant social and economic impacts, and with some design adjustments, ...

dateMay 21, 2015 in Internet
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