relativity

Physics

Fluids thicken at the speed of light: new theory extends Einstein’s theory of relativity to real fluids

Credit: CC0 Public Domain Special relativity has many surprising and counterintuitive effects, the most famous of which are length reduction and time dilation. If an object moves with a velocity relative to an observer that is a non-negligible fraction of the speed of light, the length of the object in the direction of movement will appear to the observer to…