A digital fresco-style depiction of Archytas of Tarentum launching his steam-powered mechanical pigeon.Credit: Greek Reporter archive
DaVinci designed a helicopter. And a parachute.
Too heavy.
Little furry midgets built hang gliders out of wood and canvas and took on a galactic empire! So nothing is out of the question.

And the Romans developed a rudimentary steam engine, and the Greeks invented a “computer” and the Indians conducted “brain surgery” and yet here we are today. None of them resulted in an Industrial Revolution. Why? Because it took a revolution in thinking to go with the technology so that the technology could be applied and its effects multiplied to benefit humanity. Without the thinking that resulted in Capitalism, the Roman steam engine was just good for opening temple doors.
