The National Museum of Mathematics in NoMad on 26th Street is a hands-on science and math museum that teaches kids and adults about the cooler side of numbers and mathematics.
One of the museum's more popular interactive exhibits is this special track which allows tricycles with square wheels to ride smoothly. See how it all works in this short video from Insider.
This tricycle has square wheels, but it works because of MATH.
via Insider
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