A monk had once written over a book that contained information about calculus that was written by Archimedes in ancient Greece that could have made us 100 or even 1000 years more mathematically and technologically advanced.
13
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
A singing birthday card has more computing power than the allied forces in 1945.
30
The exact cause of death and burial site of Genghis Khan is unknown, because all of the 2000 funeral guests and 800 soldiers were killed in order to preserve the secret.
16