Ever wondered why time flies differently depending on your speed?
Derivations of the Lorentz transformations
Ever wondered why time flies differently depending on your speed?
Imagine you're on a train moving at a constant speed, and you drop a ball. To you, it falls straight down, but to someone outside the train, it seems to fall at an angle. How can time and motion be consistent for everyone?
The core idea is that time and space are linked in such a way that they adjust to keep the speed of light constant for everyone, no matter how fast they're moving. This adjustment is known as Lorentz invariance.
Example
If you're on a train moving at 60 km/h and drop a ball, to you it falls straight down. To an observer outside, it seems to fall at an angle. This happens because time and space stretch and compress to keep the speed of light the same for both of you.
Remember this
Lorentz invariance ensures that the laws of physics, including the speed of light, are the same for everyone, no matter their speed or direction.
Text adapted from Wikipedia, licensed under CC BY-SA 4.0.
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