Faster-than-light
PROPAGATION OF INFORMATION OR MATTER FASTER THAN THE SPEED OF LIGHT
Faster than light; Superluminal; Supraluminal; Faster-than-light engine; Supralight; Faster-Than-Light; Faster than light travel; Faster-than-light drive; Faster Than Light; Superluminosity; Causality problem; Causality Problem; Faster-than-Light; Faster-than-light travel; FTL travel; Faster-Than-Light Travel; FTL Drive; Superluminal travel; Light speed travel; Faster than the speed of light; Speeds greater than light; Subluminal; FTL Travel; Superluminal speed; Faster than light communication; Faster-than-light travel in fiction; Spacetime distortion; Superluminality; Faster-than-light speed; Faster-than-light speeds
Faster-than-light (also FTL, superluminal or supercausal) travel and communication are the conjectural propagation of matter or information faster than the speed of light (). The special theory of relativity implies that only particles with zero rest mass (i.