Science, Maths & Technology
Infographic: 12 things to know about Einstein's Theory of Relativity
...becomes infinite when it reaches light speed. An infinite mass would require infinite energy to move, so this is impossible. Space and time are part of one continuum, called space-time. In Einstein’s mathematics, space has three dimensions, and the fourth dimension is time. More recent theories presume extra dimensions that we do not perceive. Spacetime can be thought...