Some of our favorite stories this week:
Leave a comment (any comment) to put your name in the pile; we'll randomly choose and announce our winner right here on Friday, February 19. And, if you just can't wait that long, you can buy the shirt for yourself here. Good Luck!
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.