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Be Smart.

Be Smart.

A Slice of Pizza Knowledge!

Be Smart. · Nov 13, 2026 · 5:43

0:005:43

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How does math keep a folded slice from drooping? And what does pizza have to do with the speed of light?

Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate

How a 19th Century Math Genius Taught Us the Best Way to Hold a Pizza Slice:
http://www.wired.com/2014/09/curvature-and-strength-empzeal/

Planet Money pizza price comparison: http://www.npr.org/blogs/money/2014/02/26/282132576/74-476-reasons-you-should-always-get-the-bigger-pizza

Measure the speed of light with your microwave: http://io9.com/5526055/use-your-microwave-to-measure-the-speed-of-light

Produced for PBS Digital Studios

Joe Hanson - Host, writer, editing, graphics
Amanda Fox - Producer, Spotzen Inc
Kate Eads - Associate Producer
John Knudsen - Gaffer, Camera

Theme music:
"Ouroboros" by Kevin MacLeod

Stock images via Shutterstock

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