28/08/2012

Magnetic vortex reveals key to spintronic speed limit

(Phys.org)—The evolution of digital electronics is a story of miniaturization - each generation of circuitry requires less space and energy to perform the same tasks. But even as high-speed processors move into handheld ...

Why are there so many species of beetles and so few crocodiles?

There are more than 400,000 species of beetles and only two species of the tuatara, a reptile cousin of snakes and lizards that lives in New Zealand. Crocodiles and alligators, while nearly 250 million years old, have diversified ...

Evaporating exoplanet stirs up dust

Dutch astronomers have found clear evidence that a faraway exoplanet is falling apart. New analysis of data from NASA's Kepler satellite shows that this exoplanet, which orbits its host star every 16 hours, has a massive ...

Brazil bids to become world's third IT market by 2022

Brazil hopes to capitalize on the 2014 World Cup and the 2016 Summer Olympics to advance its goal of becoming the world's third largest information technology and communications (ITC) market, a top industry official says.

Why retire later? Study shows how to encourage longer careers

(Phys.org)—What if every U.S. worker got an automatic 10 percent pay raise at age 55? According to a new University of Michigan study, most people would work quite a bit longer to enjoy the extra income before they retired.

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