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blackbrokkoli
on Jan 2, 2021
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How Ray Kurzweil’s 1998 predictions about 2019 are...
This made me laugh, thank you. Do you have source on the WW-1 detectors? Sounds intriguing!
stretchcat
on Jan 2, 2021
[–]
They're referring to artillery sound ranging. (Using sound to triangulate the position of enemy artillery batteries.)
https://en.wikipedia.org/wiki/Artillery_sound_ranging#World_...
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