Spangler: The science behind a potato launcher

Science guy Steve Spangler is here!

A table filled with potatoes, PVC and safety glasses can only mean one thing – our science guy Steve Spangler is in the house.

It's a lesson in air pressure, innovation and how to avoid getting hit.

Want to make your own potato launcher?  Here are Steve Spangler's step-by-step directions.

© 2017 KUSA-TV


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