Ever wonder exactly what Audi means when it says "quattro all-wheel drive?" Well, here's a nice little video that breaks it all down into easily digestible parts.
Automatic transmissions are one of those masterpieces of engineering that we pretty much take for granted. They've been tweaked to near perfection over the years, and although the new dual-clutch setups are gaining traction, the standard torque converter automatic is probably going to be with us for a long time to come. See how it all works in this video from Dave's farm in Canada.