Top network posts
- 22 When was zero actually introduced in mathematics?
- 19 When and on what basis was it decided that an hour have 60 minutes and a minute have 60 seconds?
- 13 What were theories for why and how we see things?
- 12 Who invented the integers?
- 11 Who pitched in the theory of Hollow Earth?
- 11 Is there an astronomical reason behind the order for the names of days of the week?
- 10 What is the truth behind "The Turk" (the mechanical chess machine)?
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