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> Back in the 1970s, a computer used 8-bit tape, in binary code—picture a roll of paper tape with holes cut into it.

This seems like quite an ambitious project for 1975!

The idea to use ”a roll of paper tape with holes cut into it” to control a machine was 250 year old in 1975 (https://en.wikipedia.org/wiki/Basile_Bouchon)

(It took around 80 years to get a decently working implementation)