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Youngfox
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Scientists Develop Way to Harness Footsteps"The architectural team is currently working with a couple of university research groups to finish two vibration-harvesting prototypes by December.
The first is a staircase that will contain technology - either hydraulic or piezoelectric - in the risers to sense the kinetic energy from commuter footfalls and convert them into an electrical current."
Interesting - Let cities light cities