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Florian Beyer (researcher and teacher)
When did you become interested in Relativity?
Newton’s ideas about gravity compared with Einstein’s ideas about gravity
Newton's theories, including gravity
The Sad Earth theory – is Earth constrained by gravity?
Straight line vs. curve – flat surface vs. deformed
Mathematics allows us to think about multi-dimensions
Einstein's flipside of Newton's Sad Earth
Einstein's equation still being explored 100 years later