Mellon optical memory was an early form of computer memory invented at the Mellon Institute (today part of Carnegie Mellon University) in 1951. The device used a combination of photoemissive and phosphorescent materials to produce a "light loop" between two surfaces.
Mellon optical memory was an early form of computer memory invented at the Mellon Institute (today part of Carnegie Mellon University) in 1951. The device used a combination of photoemissive and phosphorescent materials to produce a "light loop" between two surfaces.
Source: Wikipedia "Mellon optical memory" · CC BY-SA 4.0
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