Why don't bicycles fall over?
O epizodě podcastu
It's all about bikes in this episode of But Why? Why bicycles can stay up when you're riding them, but fall over when stopped. Olympian Lea Davison tells how to get started when riding, and we learn how a bike chain moves a wheel.
It's all about bikes in this episode of But Why? How come bicycles stay up when you're riding, but fall over once you stop? We turn to Andy Ruina, professor of engineering at Cornell University, for the scientific answer. We also learn how a bike chain works and Olympic mountain biker Lea Davison tells how to get started when riding.
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But Why is a show led by kids. They ask the questions and we find the answers. It’s a big interesting world out there. On But Why, we tackle topics large and small, about nature, words, even the end of the world. Know a kid with a question? Record it with a smartphone. Be sure to include your kid's first name, age, and town and send the recording to questions@butwhykids.org!