C. 2500 BCE: Sumerian abacus -- c. 700 BC: Scytale -- c. 150: Antikythera mechanism -- c. 60: Programmable robot -- c. 850: "On Deciphering Cryptographic Messages ...
For historian Bianca Premo, the archives of Latin America, especially Peru, are her “labs.” She searches old papers for traces of people who are absent or largely ignored in grand stories of the past.
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