The Tokyo Subway system is using Piezoelectric flooring to generate electricity to power signs. The piezoelectric effect generates electricity from mechanical actions. Supplies, the article says, 1400 kw per day. Having seen the crowds there it is an obvious solution. Though it covers only a very small part of the total subway power consumption. Article and more pictures.
Thursday, December 11, 2008
Flooring Generates Electricity
The Tokyo Subway system is using Piezoelectric flooring to generate electricity to power signs. The piezoelectric effect generates electricity from mechanical actions. Supplies, the article says, 1400 kw per day. Having seen the crowds there it is an obvious solution. Though it covers only a very small part of the total subway power consumption. Article and more pictures.
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