Light helps the transistor laser switch faster

Light and electrons interact in a complex dance within fiber optic devices. A new study by University of Illinois engineers found that in the transistor laser, a device for next-generation high-speed computing, the light ...

France's SNCF hopes to run high speed rail in US

The United States is ready for a truly high-speed rail system and France's national railway SNCF would be "very interested" in operating a network, a senior executive said Thursday.

A robot to beat humans at foosball

At first glance, the foosball table located in the middle of the Automatic Control Laboratory looks perfectly normal. Looks can be deceiving. In defense, one of the levers has a mechanical arm capable of propelling the ball ...

Big sperm don't always win the race

When females mate with more than one male, each one's sperm has to compete to get to her eggs. Until now, researchers had thought the fastest sperm would dominate.

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