Kirsten Hacker

Jun 24, 2019

5 min read

How do the general theory of relativity, the special theory of relativity, and quantum mechanics all fit together?

This question is best answered with an experiment. If you try to answer it with thought experiments, you will make a mistake.

Imagine that you have a pulsed laser beam connecting two, distant points on the Earth with femtosecond precision and accuracy.