Fact: the faster your drive, the shorter your reaction time is, the less probability to avoid an accident. Fact: the faster you drive, the more kinetic energy, the less probability of surviving an impact. Fact: some low speed limits are dumb—but not as dumb as people who drive recklessly around Manhattan.
Just 17,500mph. No safety belt required. Peppers, string beans, and grapes required. In the image, ISS commander Oleg Kotov and NASA astronaut Tracy Caldwell Dyson.
These 25mph speed limit signs are equipped with a speed radar and a number display. Nothing strange about that, really. Until you notice that the billboard displays horrible figures—like days in hospital or crash bills—based on your speed.
Although various GPS units already have the ability to display the current speed limit (they're pre-programmed in) of the road you're on, this Vauxhall Motors invention seems even better. There's a camera on-board that takes 30 snaps per second, then recognizing speed limit signs and translating that to a number to…