In this week’s Car Talk, a few wacko theories from your favorite “quantum mechanics.” Can too much information make you more stupider? And what about magnets around the gas tank - could Kevin’s accidental experiment change the world as we know it? We also find out what happened to poor Shimone in this week’s Stump the Chumps. His mechanic says his brake lines were cut. Were ex-girlfriends involved? Plus, learn a few choice lines to give your spouse a gentle ribbing. That and more in this hour of Car Talk.