File this under cheesy but fun: In the above 12-minute video, former NASA employee and mechanical engineer Mark Rober builds a charging station for a 48-KWh battery that VW used to help climb Pikes Peak in an electric race car using 1232 lemons. Unfortunately, lemons didn’t quite cut it. Instead of providing the battery pack with the necessary 48KWh, it got a charge equivalent to a single AA battery.
Rober went on to try another method, a custom built zipline with regenerative braking tied to a power tool battery, and eventually finished the job with solar power. But that doesn’t matter. What you need to know is that what VW and Romain Dumas pulled off in Colorado in June was partially powered by lemons. Go science!
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