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Einstein wasn't sure at first. It was Feynman who introduced the thought experiment that settled the debate in the physics community: https://en.wikipedia.org/
by brownbat 11y ago
Einstein wasn't sure at first. It was Feynman who introduced the thought experiment that settled the debate in the physics community:
https://en.wikipedia.org/wiki/Sticky_bead_argument https://en.wikipedia.org/wiki/Sticky_bead_argument
- gaur 11y agoNot sure why this received downvotes. There was significant debate until the 1950s about whether gravitational waves were real phenomena or just coordinate artifacts. The sticky bead argument played a big role in settling the issue.