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The Kid Should See This

A lemon-powered supercar and making the world’s largest lemon battery

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Can you power an electric supercar with lemon-power? It depends on the lemon-power. In the video above, science YouTuber and former NASA JPL engineer Mark Rober attempts to fill a 48-kilowatt-hour battery with electricity to support the Volkswagon I.D. R electric supercar at the 2018 Pikes Peak Hill Climb.

In the mix: The world’s largest lemon battery, a lesson about how circuits work, what could be the most expensive glass of lemonade ever made, a party, a kid-made sprinkler system, a quick visit to Mars, and fails that inspired new battery-filling solutions: A zip line with regenerative braking and a few days of solar power with a twist.


And by the way, the Volkswagen ID R smashed the Pikes Peak Hill Climb Record in just under eight minutes. “The all-electric race car not only set a new record for EVs, but set the fastest time ever, by any car, even ones with high-performance, gas-gulping, engines.”

Previously from Mark: Liquid Sand Hot Tub.

Plus: More about circuits, including fourth graders who created a solar powered classroom, an Electric Dough Playdate, a plastic bottle water wheel power generator experiment, and the Stanford Solar Car Project: Racing on Sunshine.

Bonus: How do solar panels work? And how a failed invention lead to a potentially life-saving new idea.

This Webby award-winning video collection exists to help teachers, librarians, and families spark kid wonder and curiosity. TKSST features smarter, more meaningful content than what's usually served up by YouTube's algorithms, and amplifies the creators who make that content.

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