Science & Medicine,
Society & Culture,
You'll need to sign in to follow to this podcast.
New to Podcast Chart? Sign up.
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.
March 2nd, 2009
Episode 208 of 1093 episodes
Virtual first down lines are used to indicate where play resumes in football -- but how do they work? Listen in as Marshall Brain explains how the technology superimposes a virtual line in this podcast on HowStuffWorks.com.
You'll need to sign in to write a comment.
Welcome to the daily audio workout for your head.
You'll need to sign in to add this to your collection.
Podcast Chart © 2017 Project Fantastic Ltd