It’s an easy joke to say that you can power your electronics by just getting on a hamster wheel or riding a bike but the truth is, it’s really, really tough to do in real time. And we’re not even Olympic athletes. German track cyclist Robert Förstemann is and even with his watermelon-sized thighs, he said his legs “hurts hard” and that it’s “fucking hard” to power up a toaster.

Watch him below.

Click here to view this kinja-labs.com embed.


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