This is kind of a Friday video, in that it is silly and involves (read: consists entirely of) moments that could be soundtracked with a loud cartoony "BONK!", but this week has been a little bit long already and it feels like maybe by watching this video we can usher Friday in a little faster. So! This is a video of astronauts falling down, on the moon. Enjoy!
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.