John Carlos Baez on Nostr: nprofile1q…0npxu - there must be some SF stories where super-advanced civilizations ...

nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqyq8furek5hckhxjaayvuz9ht9nv0kuup5l9sej4l2fa256anaq3s00npxu (nprofile…npxu) - there must be some SF stories where super-advanced civilizations learn to live slightly above the event horizons of black holes, thrusting ever upwards (powered by what??? oh well, it's just SF) and using the time dilation to shoot forward into the far future, then emerging into the otherwise dying universe... where they are free of being pestered by young civilizations, or something like that.