Ancient Inventions and Technologies That Were Way Ahead of Their Time

Chill Dude Explains created a two-part series highlighting ancient inventions and technologies that now seem way ahead of their time, particularly in the context of modern devices.

Included are ancient forms of what we now take for granted, such as pregnancy tests, cataract surgery, GPS (the Viking sunstone), automatic doors, odometers, clocks, rust proofing, steam engines, heated floors, and others.

Part Two