400 years??? I could fly my drone around the world... No wait, I'd lose connectivity... Lol ๐Ÿ˜‚

A student accidentally created a rechargeable battery that could last 400 years - Upworthy
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A student accidentally created a rechargeable battery that could last 400 years - Upworthy

"This thing has been cycling 10,000 cycles and itโ€™s still going."