Did you know that moving a clock one inch toward the ground would result in a slower tick compared to the same clock positioned higher up? Gravity doesn't just pull things; it also bends time.

The principle of relativity, as initially described by Galileo, posits that the laws of physics remain consistent regardless of an observer's relative motion. Einstein's special relativity ...

The laws of physics mean that communication with near-light-speed spacecraft would be very challenging. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...