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

Historical Images & Videos on Instagram: "Inside caves, darkness hides dangers the eyes cannot see. Many explorers say that when they take their first steps inside, the silence and still air feel harmless. But that’s when the smallest detail can decide between life and death. In countless stories, adventurers who ignored this test watched their torch flames suddenly vanish, as if something invisible had stolen the air. What seemed like nothing more than mysterious darkness became a deadly trap:

Houston Rockets on Instagram: "7 欄 1 欄 28"