Science & Medicine, Natural Sciences, Society & Culture, Technology

Chart Positions

Natural Sciences 6
Science & Medicine 14

Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.

How does a speedometer in an airplane work?

October 1st, 2010

Episode 758 of 1055 episodes

Most people are familiar with speedometers in cars, but do you know how air speed is determined? In this episode, Marshall explains how devices called pitot tubes gauge the speed of moving aircraft.