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Abstract
excerpts.
Trading Cards
Jul 1632
Relativity Principle
Relativity Principle
The laws of physics work the same for all observers moving at a constant speed. There is no absolute state of rest.
Relativity
Story
Is the Big Bang singularity scientific or philosophical?
- Philosophers: "It’s all speculation."
- Scientists: "We’re working on it!"
Big Bang Singularity
Physicists often talk about the idea that the universe exploded from nothing in a singularity, that idea is more philosophical than scientic. The universe’s expansion is scientific, the singularity itself remains speculative.
Relativity
FAQ
Trivia: Did Einstein or Galileo discover the Relativity Principle?
Relativity
In shaping modern cosmology, Galileo articulated the relativity principle in 1632, Newton made gravity universal in 1687, and Einstein revealed gravity as the curvature of spacetime in 1915.
Relativity
FAQ