Yesterday, comet fans were glued to their observatories as Lovejoy, a brave comet made of ice and dirt, headed on a collision course into the sun. The outcomes of these match-ups are pretty much foregone conclusions: the proverbial snowball's chance in Hell.
But Lovejoy! Lovejoy zipped right past the sun, enduring temperatures over one million degrees, and came out the other side with just a little melt damage.
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.