Future cities may harvest energy from human footsteps

Tomorrow Transformed explores innovative approaches and opportunities available in business and society through technology.

From footfalls to climbing stairs, to opening doors, the cities of the future will look at ways of tapping energy from all the mechanical energy we expend going about our daily lives.

When looking at the amount of kinetic energy produced in the average metro station at rush hour, or even on the dance floors of nightclubs, harvesting electricity from human activity makes sense.

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CNN