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Reblogged by cstanhope@social.coop ("Your friendly 'net denizen"):
kelpana@mastodon.ie ("Alanna") wrote:
This is absolutely fascinating - quartz crystal manufacturing 80 years ago. These processes are the ancestor of modern chip making: https://youtu.be/duZlWWwxIPQ?si=YBjk8nY5fkCdu6x2