C. 2500 BCE: Sumerian abacus -- c. 700 BC: Scytale -- c. 150: Antikythera mechanism -- c. 60: Programmable robot -- c. 850: "On Deciphering Cryptographic Messages ...
A look back at the room-size government computer that began the digital era Steven Levy Philadelphia schoolchildren are drilled on the names of its accomplished citizens. William Penn. Benjamin ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results