A source of inspiration for a long time, science fiction often foretells futuristic technologies and ideas before they are made. Writers have dreamed of everything from flying cars to artificial intelligence; shockingly, many of their ideas have come true.
Some of the most useful things we rely on today—like microwaves and penicillin—only exist because someone messed up.
Trends come and go, and some things that were once the height of cool are now just embarrassing relics of the past.
Some things we can’t live without today were once only for the rich and elite.
Some jobs were once so important that society couldn’t function without them until technology and progress made them completely obsolete.
Some of the world's greatest inventions were never meant to happen, proving that happy accidents can change history.