Gimbal Lock and Apollo 13

We've all heard the phrase gimbal lock in the movie Apollo 13, and it was a real problem on the real mission as well. But what exactly did it mean? Title image via NASA/Bruce Yarboro and Smithsonian Institution. Music "The Coup" by AudioQuattro from Music Loops. For more in depth Vintage Space, be sure to check out the blog on Popular Science: http://www.popsci.com/blog-network/vintage-space And for daily Vintage Space tidbits every day of the week, add me on Facebook, Google+, and Twitter as @astVintageSpace.