Authors:

In my relativity theory I set up a clock at every point in space, but in reality I find it difficult to provide even one clock in my room.

Albert Einstein (2015). “Bite-Size Einstein: Quotations on Just About Everything from the Greatest Mind of the Twentieth Century”, p.25, St. Martin's Press
In my relativity theory I set up a clock at every point in space, but in reality I find it difficult to provide even one clock in my room.