Jamie Hyneman and Adam Savage break down the science behind a Star Wars lightsaber and how to dodge laser blasters in their Star Was episode.
Adam Savage and others discuss the Discovery Channel's explosive series.
Here are all the movie and TV-related happenings for the day in San Diego.
Take a look at this new episode that involves both water and fire.
Take a look at Jamie and Adam putting the 'phone book' myth to the test.
Take a deeper look into this week's debunking.