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“If black holes were 3d then we would have been able to spot the back end of one, but since we haven't located a back door to one, then it must mean that it is 2d in appearance, which then means there must be another dimension or physics at work in there that we don't know about.” — Anthony T. Hincks
If black holes were 3d then we would have been able to spot the back end of one, but since we haven't located a back door to one, then it must mean that it is 2d in appearance, which then means there must be another dimension or physics at work in there that we don't know about.