Yes, and pretty old ones at that https://en.wikipedia.org/wiki/Kaufmann%E2%80%93Bucherer%E2%80%93Neumann_experiments https://en.wikipedia.org/wiki/Kaufmann%E2%8

Yes, and pretty old ones at that https://en.wikipedia.org/wiki/Kaufmann%E2%80%93Bucherer%E2%80%93Neumann_experiments https://en.wikipedia.org/wiki/Kaufmann%E2%80%93Bucherer%E2%8... Special relativity is weird, but it's very much proven by countless experiments. https://en.wikipedia.org/wiki/Tests_of_special_relativity https://en.wikipedia.org/wiki/Tests_of_special_relativity