At 80 mph, the engine is turning about 1, 800 rpm (redline is 4, 500 rpm).

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Then they realized people would have to fly without the reassuring blur of propellers turning and dropped the jet engine like a hot potato.

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Gene Kan proved its usefulness by turning Gnutella into a fast search engine.

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This allows the iPod to go to sleep and shut down when you shut your car engine, without you having to think about turning anything off.

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Wellpoint, Aetna, Independence, and the other insurers rushing into this business no doubt believe they have a magic formula for turning this misery into a profitable growth engine.

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Although we have a long way to go before we can put this recession behind us, the gears of our economic engine do appear to slowly -- to be slowly turning once again.

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The governor's decision represents a turning point for a city that was once the industrial capital of America and an engine of its growth.

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