Archive: 02/15/2013

Force is the key to granular state-shifting

Ever wonder why sand can both run through an hourglass like a liquid and be solid enough to support buildings? It's because granular materials – like sand or dirt – can change their behavior, or state. ...

Feb 15, 2013
5 / 5 (1) 2 | with audio podcast

Playing quantum tricks with measurements

A team of physicists at the University of Innsbruck, Austria, performed an experiment that seems to contradict the foundations of quantum theory—at first glance. The team led by Rainer Blatt reversed a ...

Feb 15, 2013
3.9 / 5 (15) 141 | with audio podcast

NASA designs new space telescope optics

Although hundreds of planets orbiting other stars have been discovered in the past 15 years, we cannot yet answer the age-old question of whether any of these planets are capable of sustaining life. However, ...

Feb 15, 2013
4.7 / 5 (14) 15 | with audio podcast

Shell, BASF offer millions in class action suit

(AP)—Shell Brasil SA and BASF SA have offered more than $20 million to settle a class-action lawsuit with former workers allegedly contaminated at a pesticide plant in the state of Sao Paulo, Brazil's top labor court said ...

Feb 15, 2013
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Decoys could blunt spread of ash-killing beetles

As the emerald ash borer ravages North American ash trees, threatening the trees' very survival, a team of entomologists and engineers may have found a way to prevent the spread of the pests.

Feb 15, 2013
5 / 5 (2) 1