I've often wondered if any humans invented or discovered something way too early or late, all things considered. if history was run again over the last two thousand years, what invention or discovery would you probably see earlier or later than it happened in our timeline?
Penicillin is something that some people think was discovered later than it should have been. Hot air balloon? Steam engine? Telescope? Algebra?
Any thoughts on what invention or discovery seems, looking back, to not have happened exactly at the "right time"?
