How trains make turns without differentials

You know how the car differential works, right? Well, have you ever wondered how trains take corners, with their wheels connected by solid steel axles? In this clip from the BBC series Fun to Imagine, America’s coolest nuclear physicist and frigideira percussionist Richard Feynman leaves the world of quantum… » 7/12/11 1:30pm 7/12/11 1:30pm

How does the differential work?

Did you know that America's best educational videos actually came from automakers? Like this Chevrolet film from 1937 that provides the best explanation ever for the basic principles behind a car's differential. » 7/07/11 12:00pm 7/07/11 12:00pm

Oversteer My Bagel: Buy Some Jalopnik On A T-Shirt!

A while back, someone emailed us a T-shirt design based on some of my caffeinated, candy-powered babbling. Thanks to the efforts of a few intrepid Jalopnik readers, you can now buy a copy of that shirt. Who's in? » 7/27/10 4:20pm 7/27/10 4:20pm

Oversteer My Bagel: Look Out World, Sam Is On A T-Shirt

A week ago, someone emailed us a design for what we are officially calling the World's Greatest Most Bestest Center Differential T-Shirt Ever What Ever Ruled the Land. Turns out people actually enjoy candy-fueled, caffeine-powered babbling. Who knew? » 3/30/10 1:00pm 3/30/10 1:00pm

How Does the Differential Work?

That thing on the rear axle — the ball of gears allowing you to take a corner? Have you ever wondered about how it works? The "Chevrolet Motor Division" is here to explain. » 8/14/09 8:30am 8/14/09 8:30am