Or, how many cyclists would it take to power a home for a day?
Ask Umbra: Can my bicycle power my toaster? | Grist
And at Middlebury College in VT
Bike til it hertz: College kids spin out campus electricity | Grist
We also have a kid's science museum where you can ride a bike to symbolically power the elevator. I remember being impressed how much pedaling that took.
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Thread: Can my bike power my toaster?