Driving with a broken speedometer in your muscle car has sadly fallen out of fashion. As a tech in the '90s, I'd see vehicles with carefully crafted cheat sheets taped to the dashboard calculating rpm ...

The inaccuracy of the speedometers used by most vehicles, even those in cars with the coolest gauge clusters, is well known. The good news is that most speedometers report speeds higher than the ...

There was a time, back before cyclometers and smartphone cycling apps, when some bikes came with novelty mechanical speedometers. While no one is suggesting bringing those back, Finnish startup Omata ...