This video is great.
I remember seeing that in the movie Amelie. Great footage.
Did you know that the average professional cyclist can generate the equivalent of one and a half horse power? So if it came down to a sprint, the cyclist should win.
Not so fast, Douglas. According to the wikipedia, this is how horsepower (the term) was coined…
The term “horsepower” was invented by James Watt to help market his improved steam engine. He had previously agreed to take royalties of one third of the savings in coal from the older Newcomen steam engines. This royalty scheme did not work with customers who did not have existing steam engines but used horses instead. Watt determined that a horse could turn a mill wheel 144 times in an hour (or 2.4 times a minute). The wheel was 12 feet in radius, thus in a minute the horse travelled 2.4 × 2π × 12 feet…
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