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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 do motion sensors work?

April 29th, 2009

Episode 250 of 1055 episodes

There are many kinds of motion sensors, from active to passive systems. Get the scoop on how myriad motion sensing systems work in this podcast from HowStuffWorks.com.

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