Photos: Get your (sneaker's) motor running

April 14, 2006 12:41 PM PDT

The Adidas_1 running shoe, which sells for $250, has a computer chip and a tiny motor built into its sole.

Designers believe that the hardware doesn't make the shoe heavier than a runner would like because it allows them to cut down on the foam used to shape the shoe bottom.

Photo by Adidas-Salomon

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