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Environment & Energy

(1,843 posts)

4. The down escalator should be able to

Sat May 19, 2012, 05:29 PM

May 2012

put energy back into the system.... almost the same amount it took to bring the people up minus the friction and inefficiency of the motors.

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Highlight:

Tiles May Help Shrink Carbon Footprint by Harnessing Pedestrian Power [View all] MindMover May 2012 OP

Piezo electric sidewalks!!! longship May 2012 #1

The down escalator should be able to 2on2u May 2012 #4

Makes perfect sense. Ghost Dog May 2012 #7

In that way, once you start it, it should be able to run forever 2on2u May 2012 #8

Got it. Energy will come from all the panicking people Ghost Dog May 2012 #9

Some people have bad knees. They'd find the elevators. MADem May 2012 #5

Now pave our freeways with this tech. chknltl May 2012 #6