Ever find yourself desperately needing an animated GIF of a rock hyrax? Of course you have, you're human and this is the internet and rock hyraxes are peculiar and fascinating animals. Previously you'd have to enter "rock hyrax gif" into Google, which is awkward, and hope a GIF shows up and that you can find it without having to click through too many non-GIF posts. But not anymore!
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.