Geology, history and art
video 10'11 : 22 Mar 2022 : https://youtu.be/qYMzNv_eY3YThis is the best and easiest way to inlay crushed stones like lapis and opal into rings. This method could also be used to inlay into wood or other flat surfaces as well
audio text : https://www.earthdate.org/files/000/001/587/EarthDate_059.mp3
text 226 words : https://www.earthdate.org/colorful-history-of-paint
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