In the 20th century, people thought the future would have flying cars, hoverboards, and other technologies. What did people in the 10th century imagine the future would be like? How about 0 AD?

by hushus42
SpenTN

The same question was asked a while back: https://www.reddit.com/r/AskHistorians/comments/3qafud/how_did_people_in_the_middle_ages_view_the/

EDIT: tag the original commenter, /u/sunagainstgold