This Week in the Future, November 28-December 2, 2011

The lesson behind this week’s This Week in the Future illustration: when you’re stoned and driving an amphibious boat-tank, always stop at the red light. Just because you can’t see the crabs crossing the beach doesn’t mean they’re not there. They might be transparent.

Want to win this good-lesson-packed Baarbarian illustration on a T-shirt? It’s easy! The rules: Follow us on Twitter (we’re @PopSci) and retweet our This Week in the Future tweet. One of those lucky retweeters will be chosen to receive a custom T-shirt with this week’s Baarbarian illustration on it, thus making the winner the envy of their friends, coworkers and everyone else with eyes. (Those who would rather not leave things to chance and just pony up some cash for the t-shirt can do that here.) The stories pictured herein:

And don’t forget to check out our other favorite stories of the week: