>>14296886Did you mean to say stairs?
Scientists will probably never know everything, and the summation of what they do know is purely physical alone and has no existential power.
They can delay man's death by a few decades. They can move faster than usual. They can kill people faster than they used to be able to. And that's about it. Can't do anything else, still can't tell you where the universe came from. The big bang is just the model and doesn't explain where the mass/energy came from.