Agree but don't forget about the work of James Watt, https://en.wikipedia.org/wiki/James_Watt https://en.wikipedia.org/wiki/James_Watt And mechanical clocks and

Agree but don't forget about the work of James Watt, https://en.wikipedia.org/wiki/James_Watt https://en.wikipedia.org/wiki/James_Watt And mechanical clocks and please there were roads 2400 years ago. https://en.wikipedia.org/wiki/Appian_Way https://en.wikipedia.org/wiki/Appian_Way Look to the second picture on the left, it's still in use.