The Greatest Innovations of All Time

Getty images

2. Mathematics and the number zero

Somewhere between 36 B.C. and A.D. 130, the Babylonians and, ultimately, Ptolemy formally helped people to see that numbering systems needed to be continuous and should include the very revolutionary idea of a specific number for the concept of zero. Greek philosophers fought this, of course, wondering how can nothing be something?

Read the story
What do you think? Have your say

More Slide Shows