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#268 – Robert Proctor: Nazi Science and Ideology
Lex Fridman Podcast
The History of Gemstones and Gemological Techniques
I'm doing a book on all the different ways different cultures have found different images in stone like roshok tests and so in in India they love agates with Hindu temples in them. In America they like you know three crosses on the mount and if you can find a stone with the word Allah in it that's beloved in Yemen or Saudi Arabia. I'm also looking at the rise of hobbies and and amateur stonework and how a lot of our gem gemologic techniques were actually invented by amateurs which means just lovers as opposed to professionals.
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