Power harnessed one step at a time

[tallex]

Power harnessed one step at a time

In the push to harvest alternative energy, scientists
have tapped a number of novel sources: the sun, corn,
old cooking oil. But how about the simple act of walking?

For two architecture students at the Massachusetts
Institute of Technology in Cambridge, Mass., the
sound of footsteps is an echo of energy gone to waste.
They figure that the stomp of every footfall gives
off enough power to light two 60-watt bulbs for one second.

"Now imagine how many people walk through a train
station each morning, or walk down the street in Hong Kong,"
says James Graham, who, with fellow MIT graduate student
Thaddeus Jusczyk, is helping to develop the growing field
of "crowd farming."

http://blog.alternate-energy.net/entries/entry_19.php

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