On 12/14/2024 9:34 AM, Alan Grayson wrote:
Yes. In relativity measurements are generally not frame invariant, such as the E and B fields in EM. But this case seems different. Imagine two observers, one in car frame and the other in garage frame, and they're both viewing the car passing through the garage, now open on both ends. Ostensibly, the former sees the car fail to fit in the garage, the latter sees the opposite. I don't believe a rigorous definition of "fit" will resolve this contradiction. Now I have a question for you and Brent concerning his plots. What EXACTLY did his plots ostensibly prove? AG
That an observer sitting at the center of the garage and using mirrors to simultaneously photograph both ends of the garage will, for a sufficiently fast car, get photographs showing both ends of the cat in the garage.
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