Okay everyone knows square wheels won’t work but a mathematician discovered how to make it work. The bike rides very smoothly and without a problem - the only thing is he cannot make a turn. How is this possible?

The secret is the surface on which the bike is on.

So when you hear someone says bikes cannot be made with square wheels, you can prove him wrong and send him this link and raise your ego by 1%.

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[tags]bike, bicycle, science, mathematics, wheels[/tags]