The Greatest Inventions of All Time
(Click image to enlarge)
The Flush Toilet
I would not want to think what life would be like without one, certainly not in a major city. BEST INVENTION EVER!
The Gutenberg Press
It's communications technology, it's wireless, and it changed the world by making printing of books and newspapers a commercially-viable enterprise.
The Roman Empire created large and small scale water systems that incorporated aqueducts, lead pipes, heated floors, dams and drains - and left indelible marks on civilization.