History of Science and Technology Q&A (September 22, 2021)
The Stephen Wolfram Podcast
Colour Printing
Colour printing is done with sion magenta, yellow and black. And what happens is there's an array of dots that are associated with each colour. They're at different angles, and they're at three non commensurate angles. That so that you end up getting something which has a nice uniform covering of dots. Ifse angles were wrong, you get my ray patterns, and you would start seeing these sot of weird effects. But you don’t see that because those angles are non commensurable. A lot of printing equipment dated from the 19 forties and so on. I guess it became really popular by, well, by the time magazines were
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