Four of this week's articles are portrayed in this week's exciting episode of This Week in the Future, which means you've got four paths to winning a t-shirt with the illustration on it. Just tell us which one is your favorite (via Facebook, Twitter, or comment) and why, and if we like your explanation best, you win!
The rules: Pick your favorite of the four stories featured in this week's Baarbarian masterwork, and tell us why you picked it. You can do that via Twitter (follow us, and use the hashtag #TWitF so we can find you) or comment on the TWitF post on our Facebook page (and, of course, you can just buy the t-shirt here, if you're into that whole exchanging-currency-for-goods-and/or-services thing, rather than competing in social media contests). The stories are:
And let's not forget some of our other favorite stories from the past week:
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.