With the nature of the universe's two most elusive components up for debate, physicists have proposed a radical idea: Invisible particles called tachyons, which break causality and move faster than ...

The ball rolls across the floor because it was kicked, just as Earth orbits the sun because it is tugged by gravity. The connection between cause and effect is fundamental to how we understand the ...

Flux physics refers to continuous change in physical quantities, including energy transfer and dynamic equilibria. Flux is central to many areas of formal and Big-P physics, though intuitive ...