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History of Science and Technology Q&A (September 22, 2021)

The Stephen Wolfram Podcast

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Offset Printing and Lithography

The big innovation, and i think, the 19 thirties was photothography. Instead of setting type one, one letter at a time, to be able to have essentiallya photographic representation,. And then to use that photography to do lithography. It's the same process that's used in i a lithography, for making micropocesses.

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