GoPro's small, rugged video cameras are changing the way we see the world, and people are still coming up with innovative ways to use them (including, yes, sex tapes). Over the summer, on the International Space Station, NASA astronauts Steve Swanson and Reid Wiseman and the European Space Agency's Alexander Gerst used a GoPro to change the way we see space.
In this video, released by NASA this week, the astronauts played around with the phenomenon of surface tension in near-zero gravity — the reason water clumps up in a ball in space. If that sounds dry, they conducted their experiment by encasing a sealed GoPro into a baseball-sized glob of water, then videotaping the water ball from both the inside and out. You can watch below, but if you're lucky enough to have red-and-blue 3-D glasses lying around, NASA has the whole experiment in a 3-D version here. --Peter Weber