Let’s say we left one single very smart guy (not necessarily with the knowledge: they may be able to understand hard stuff when taught it, but not know it already) alone on a copy of the earth. That person is also immortal. Could that person, by themselves, gain back all knowledge, maybe also experimental, or even surpass that is already available to us right now, before the planet gets inevitably engulfed by a sun turning red giant?
If they have almost unlimited time, I don’t see why not
If you had unlimited time, you would not be motivated to use it efficiently.
If I was immortal and without worldly concerns, I might spend eight years in the throes of a single good book.
I might never decide I’m in the mood to learn CSS.
yeah but eventually the boredom would hit you