that old ‘you don’t change horses mid stream’ energy
whoa i just looked it up and my state has mandatory unit pricing laws that my kroger breaks in every aisle!
you’re right, I meant 4 years as aboundary even if that’s actually high.
Since it’s a hypothetical material we don’t know what max speed information can travel through it and the actual answer would be related to that, so a lower boundary at 4 years anyway.
If the material was truly somehow magically incompressible then I expect we would see some kind of time dilation so that the information could move at the right speed without deforming the rod. It would still take at minimum 4 years.
4 light years, the universe won’t allow anything else.
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