A light that is powered by gravity. Seriously, gravity.

Check out this revolutionary new light that’s low-cost, emissions-free, and totally ingenious. *Also, before the physics nerds come after me bearing pitchforks — full disclosure: this light is technically powered by the human lifting the bag and not gravity. But it’s still incredible.

By

Alvin Melathe

Dec 20, 2012

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A light that is powered by gravity. Seriously, gravity.

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More for You

Dolph Lundgren gets raw about love, fatherhood and that guy he once lost an acting role to

Beach Boy Brian Wilson’s daughters share his ‘extremely spiritual’ side a year after passing

Two men in their 80s take a trip in a self-driving car, and it’s an absolute must-watch

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Featured

American shares his 9 realizations about the U.S. after 13 years abroad and it’s eye-opening

Video of students walking into high school in 2006 is bringing Millennials back to a more carefree time

After beating leukemia with support from his mentor, this teen stood by him through brain surgery

Clementine Hunter picked cotton for decades. Then she picked up a paintbrush, and changed American folk art forever