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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.

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

My Greatest Generation grandad had one rule to never run out of things to say in conversation

She memorized a poem she’d never read in two minutes, using a trick from ancient Greece

Budget grocery shopper shares frugal $50 Thanksgiving feast to feed her family of four

Wilson Pickett performed on Tom Jones’ show, and when they sang ‘Midnight Hour,’ the room caught fire

Amy Poehler’s celebratory response to ‘getting older’ question deserves a standing ovation

Get stories worth sharing delivered to your inbox.

Featured

Psychologist shares 15-second trick to make kids of any age less rude and more cooperative

Linguist clearly demonstrates how ‘thinking is walking’ in English and it’s just so cool

Former Secret Service Agent reveals ingenious ‘spy trick’ to gain the upper hand in any conversation

A 1995 Sunday TV show lineup is going viral because nobody believes it actually existed