How GPS Works Posted by Matt Jacobson on May 21, 2012 Get link Facebook Twitter Pinterest Google+ Email Here’s a great video explaining how Global Positioning Systems (GPS) work. This and more can be found at NASA’s eClips channel on YouTube. Thanks to Free Tech for Teachers for this tip! science Social Studies Get link Facebook Twitter Pinterest Google+ Email Comments Post a Comment Your Comments will be held for moderation, just to help avoid that ever-present spam. Check back to see your Comment posted in a couple days, please.