There is saying that human started less than a million year. The question is how does human get that intelligence in less than a million year that quick? Even the last 50,000 years, the mind of human evolution's too quick.
If you say it not that quick, then should people does have car and a plane for long time even at 10,000 BC? But technology lost for a long time until reinvent it again in a hundreds year ago?
There is a recent story that they discover 1500 years old blueprints several different design that include robots, and transportation. That design are so complications that even today's technology that only computer can design those first before do rough drafting due to too many maths and parts that won't work without thousands page of paperwork's.
If you say it not that quick, then should people does have car and a plane for long time even at 10,000 BC? But technology lost for a long time until reinvent it again in a hundreds year ago?
There is a recent story that they discover 1500 years old blueprints several different design that include robots, and transportation. That design are so complications that even today's technology that only computer can design those first before do rough drafting due to too many maths and parts that won't work without thousands page of paperwork's.