This idea is sort of being explored already: https://www.youtube.com/watch?v=itb... | Hacker News

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lwansbrough on June 21, 2021 | parent | context | favorite | on: Towing a Tesla at 70 MPH replenishes battery at fa...

This idea is sort of being explored already: https://www.youtube.com/watch?v=itbwXMMkBQw

There's other ways of doing this too. Rolling a ball up a hill, inflating a balloon under water, etc.

spurgu on June 21, 2021 [–]

That looks like a real life battery level indicator.

quickthrower2 on June 22, 2021 | [–]

My take: it's cheating at jenga.

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