
Olympic Cyclist Vs. Toaster: Can He Power It?
About this video
Olympic track cyclist Robert Forstemann tries to pedal hard enough to power a 700 W toaster and toast a slice of bread. The film frames it as a comparison of how much energy people consume versus how much they can generate.
Why it appears in the archive
HN uses it as a vivid illustration of how little sustained power a human body produces, even a champion's.
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From the Hacker News discussion
Here's a neat video of an olympic cycle sprinter powering a toaster: [VIDEO] 1800 watt-hours, or 1.8 kilowatt-hours, is 20 cents worth of electricity. Using a cycle to power things makes for a neat demo, and might be good for educating people about electricity and suchlike, but anyone who expects to notice it on their energy bill or carbon footprint, or even for the installation to pay for itself, is off by a few orders of magnitude.
Read original comment ↗that's not a bad sustained! Check this out: olympic (cyclist) sprinter powering a toaster! it's intense. [VIDEO]
Read original comment ↗Olympic cyclist working to toast a slice of bread. Insanely impressive effort by a maximally trained professional, and he's definitely toasted. This is like a cartoon technology — the general concept is right, but the scale is just waay off... Anyway, worth the look [VIDEO] [LINK]
Read original comment ↗You can ask people if they want some toast, are they as strong as Robert Förstemann (hint: no, they are not): [VIDEO]
Read original comment ↗Contained in them. It's shocking to see the difference. I saw this video the other day which is relevant. An Olympic cyclist powering a toaster to toast some bread. [VIDEO]
Read original comment ↗It's a common myth that weightlifting only improves strength, not endurance. It is impossible to have strength and lack endurance. The myth comes from the unintuitive disconnect between muscular people and their actual weight - they clearly have to expend more energy to move larger, heavier body parts. So it may seem like their endurance is impaired but it isn't the case. Tell me this power-squatting cyclist lacks endurance: [VIDEO]
Read original comment ↗700W continuous output for a few minutes exerted by a professional: [VIDEO] (For mere mortals, it will be indeed closer to 100W.)
Read original comment ↗> I vaguely recall back in one of my engineering classes we did the math on turning all of the stationary bikes at the gym into power generating units. Very much related: [VIDEO]
Read original comment ↗