When you get on the throttle does it sound like there's a pissed Leprechaun on speed whacking your floorboards with a shillelagh? If so you're probably hearing the sound of your driveshaft's U-joints ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...