A question from Yahoo! Answers:
What if all our modern inventions had been invented earlier?
For Instance, what if there were an ancient Greek Microsoft selling “The Surface” in 2000 B.C. What do you think we would have today?
Guess what? Quite a few modern inventions were in fact invented earlier. The first steam engine, for example, was built by Hero of Alexandria around 50 AD. But it was thought of as a toy, and a bad one at that; many thought that it was unbecoming of a free Greek to engage in manual labor. Manual labor was for slaves…