A look at the crazy ferrite core density in the Ampex 1600 16k x 18 bit word magnetic core memory from Ampex Memory Products Division.
00:00 - Magnetic core memory
01:52 - How magnetic core memory works
07:12 - Ampex high density 16Kword core memory
Magnetic core simulator: https://nationalmaglab.org/magnet-academy/watch-play/interactive-tutorials/magnetic-core-memory/#:~:text=Magnetic%20core%20memory%20was%20developed,electric%20current%20in%20a%20circuit.
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https://www.youtube.com/watch?v=pG9m4fN71rQ