Your car’s wheels spin around a stationary axle, and in order for them to do so, something has to allow for “slip” between the two. That something is a wheel bearing. A vehicle’s wheel bolts to a hub, ...

An electric vehicle pulls away almost silently. Because the powertrain produces so little noise, acoustic effects that previously went unnoticed in conventional cars have become much more apparent.

Visionary films set in the technologically advanced future have long imagined cars that ride around on frictionless orbs similar to Star Wars’ BB-8. We aren’t there yet, as cars still use wheels and ...