Was Einstein Wrong About the Speed of Light?

speed-of-lightMaybe it is not constant after all, suggest some physicists trying to explain yet-unanswered questions about the universe.

http://qz.com/846498/the-speed-of-light-is-constant-physicists-plan-to-test-a-new-theory-that-questions-einsteins-assumptions/

Seeing this discussion today comes right after we finished a BBC two-part program on the relationship of the beginning and the end of the universe, “The Beginning And End Of The Universe”. You can see this, like we did, on Netflix (with subtitles for the aging among us!) or on YouTube:

https://www.youtube.com/watch?v=x13w2gx3MLI

https://www.youtube.com/watch?v=ZyW4QLEqFpM