Podcast: Weightlessness in Movies

This week's podcast is all about movie magic. How do filmmakers simulate weightlessness when they want to make movies that take place in space? Today I talk about three movies that each tried different approaches to this problem. Popular Mechanics talks about how Gravity defied gravity. Here's the movie trailer: 2001: A Space Odyssey used a number of tricks to beat gravity. Check out this PhysicsBuzz post about rotating sets (which were also used by Fred Astaire and in the movie Inception). Her...