This Week in the Future, things are heating up, but not from global warming (for once). If you are the first to identify the four PopSci stories from this week represented in resident artist Baarbarian's illustration, you will win a t-shirt of the image. (Or, if you just can't wait, you can buy one here).
Post your guesses in the comments section, and until next time, enjoy our past weekly illustrated roundups here.
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.