Six Sidewalks That Work While You Walk Photo of self-lighting
tile credit copyright Pavegen systems twitpic. Sidewalks - we
use 'em everyday. Which is why there's no end to the innovative
ideas for making sidewalks work for us. Using piezoelectric,
(also called kinetic energy) has been mostly confined to the
novelty of the dance floor. That's mainly for cost and
efficiency reasons. A new spate of projects coming this year,
however, both with piezo technology as well as other innovations
may make it worth a look at cities that are harnessing public
human energy and heat for useable power. Graphic credit
Jernhusen. 1. 200,000 Walkers Warm The Building Next
Door.Stockholm's Central Station underground tunnel is a rush-
hour throng of human bodies moving in two directions, to and
from the underground subway platforms. Engineers working on the
Kungsbrohuset building next door to the station decided to use
some of the heat generated by the people movement along the
walkways. Using available technology including a he