On one hand, the speed of light is just a number: 299,792,458 meters per second. And on the other, it’s one of the most important constants that appears in nature and defines the relationship of ...
Today In The Space World on MSNOpinion

Why even the speed of light is too slow to cross the universe

The speed of light is the ultimate limit of motion, yet against the vast scale of the cosmos it becomes painfully inadequate.