Comment Re:Not just space, but research in general... (Score 1) 315
It's theorized that it was borrowed from forest fires and lightning strikes and stuff then after that, humans developed ways to light a fire manually.
So rubbing sticks together was even more worthless. They already had fire, and they were wasting time trying to figure out how to make it from scratch. *shakes head*
Well, they were cavemen. What did you expect?