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Thomas Edison's phonograph (1877) was the first machine capable of recording and replaying sound.

Thomas Edison

TechnologyHistory

Why it matters

The idea in context

Edison's 1877 phonograph was the first machine to record and replay sound — the first time a human voice could outlive the moment it was spoken.

Türkçe

Aynı kart, başka bir dilde.

Thomas Edison'ın fonografı (1877), sesi kaydedip yeniden çalabilen ilk makineydi.
Thomas Edison

Edison'ın 1877 fonografı, sesi kaydedip yeniden çalan ilk makineydi — bir insan sesinin, söylendiği ânı aşabildiği ilk sefer.

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Background reading: Thomas EdisonAttribution and context are revised when stronger evidence appears. Corrections are welcome through the editorial page.
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The Apollo Guidance Computer flew astronauts to the Moon with about 4 KB of working memory — your phone has roughly a million times more.

The AGC had about 4 KB of RAM, 72 KB of fixed 'rope core' memory, and ran at roughly 1 MHz — less computing power than a musical greeting card. Yet in 1969 it steered Apollo 11 across 380,000 km, ran the landing radar, and even recovered gracefully from overload alarms minutes before touchdown. The story is not about weak hardware; it is about what disciplined engineering, compact code and ruthless prioritising can do under impossible constraints.

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Next in the open archiveThomas Edison demonstrated the first commercially practical incandescent light bulb in 1879.Q0467