Thursday, October 29, 2020

Greatest Vacuum Tubes You’ve Never Heard Of

Article URL: https://spectrum.ieee.org/tech-history/space-age/the-11-greatest-vacuum-tubes-youve-never-heard-of

Comments URL: https://news.ycombinator.com/item?id=24937776

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Influencers 'new' threat to uncontacted tribes, warns group after US tourist arrest

North Sentinel is home to a tribe that does not have contact with the outside world. from BBC News https://ift.tt/ovPj4F9 via IFTTT