Derivations of the Lorentz transformations

The Lorentz transformations are equations that describe the way that space and time look different to someone who is moving really fast, like an astronaut in a spaceship travelling near the speed of light. The transformations were made by a scientist called Hendrik Lorentz and show how space and time seem to change for the astronaut as they travel in their spaceship. The transformations also help us to understand things like why light and other forms of radiation always travel at the same speed, no matter how fast the astronaut is going. Derivations of the Lorentz transformations are the process of using mathematical equations to figure out how these changes happen.