Ancient Alien Theorists say yesAlien help?
That's because we have the strange idea that somehow people that lived 2000 years or more ago had to be somehow dumber than we are now. It is not so much that the brain has progressed so much as it is the technology that comes from years of trial and error.The ancient Greeks apparently had some impressive methods for doing calculations using nothing more than pure geometry.
It's just mind blowing to think that they came up with this stuff so long ago...