22/11/2009

Generating electricity from air flow

A group of researchers at the City College of New York is developing a new way to generate power for planes and automobiles based on materials known as piezoelectrics, which convert the kinetic energy of motion into electricity. ...

Nuclear weapons: Predicting the unthinkable

If a nuclear weapon were detonated in a metropolitan area, how large would the affected area be? Where should first responders first go? According to physicist Fernando Grinstein, we have some initial understanding to address ...

American Express takes aim at PayPal with Revolution

With its deal to buy Revolution Money, American Express is taking aim at the growing market for online and alternative payments, in a challenge to recognized leader PayPal, analysts say.

China harnesses mountain wind power

In the mountains above the southwestern Chinese town of Dali, dozens of new wind turbines dot the landscape -- a symbol of the country's sky-high ambitions for clean, green energy.

South Koreans to get Apple's iPhone this week

(AP) -- Apple Inc's iPhone is coming to South Korea this week, a local carrier announced Sunday, bringing the iconic communications device to one of the world's most sophisticated mobile phone markets.

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