MADISON — What if the speed of light is a constant only most of the time? What if gravity sometimes pushed instead of pulled? Scientists are increasingly asking what would seem like far-out questions ...

Cars are getting smarter every day — whether assisted by A.I. or equipped with advanced safety sensors like backup cams — but these advancements have done little to actually prevent traffic accidents.

The Doppler effect can be heard particularly clearly when a train passes by. The presence of the same effect in the generalised telegraph equation indicates the wave nature of heat transport over ...