Harvesting energy from the human body

… without plugging ourselves into massive battery farms, that is.

If you heard about the dance floors in Rotterdam that gather energy from clubbers’ fancy footwork, then this will be a happy update. Albeit an old one.

The French city of Toulouse tested out a sidewalk that’s estimated to generate around 50 and 60 watts of electricity from pedestrians walking across it. The electricity is then stored in a battery that can be used to power street lamps at night.

Sweden, in the meantime, is testing a new ventilation system in the Stockholm train station that will harness body heat from commuters and transfer it to heat a nearby building.

Read all about it at the Discoblog.

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