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Purely History on Instagram: "In the 1960s, women played a crucial role in the Apollo missions. The onboard guidance computers that helped land astronauts on the Moon used programs stored on woven memory known as core rope memory. Women, often called “little old ladies” in reports of the time, hand-wove wires through magnetic cores to physically encode the software. If a wire passed through a core, it represented a 1, and if it bypassed, it represented a 0. This painstaking work ensured flawless