Interested in harnessing the kinetic energy from a revolving door? So is Fluxxlab.

The Revolution Door is a concept from New York designers Fluxxlab that puts otherwise-wasted kinetic energy from a revolving office door to good use—generating power. Fluxxlab’s rationale is that humans exert a chunk of their own energy when pushing a revolving door around, and it may as well be captured via gears and an electricity generator.

Interesting idea.

Via Gizmodo.