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A comment on Calibration Display for NASA (2019). Parent comment

Re:Calibration Display for NASA (2019) by ilyt on Saturday April 01, 2023 @07:10PM (#35405114)
Nixies don't emit light by heating, it's closer to neon tube
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Re:Calibration Display for NASA (2019) by WorldPeas on Monday April 03, 2023 @10:02AM (#35423724)
That clears things up, although I'm curious now why a VFD wouldn't be better
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Re:Calibration Display for NASA (2019) by ilyt on Tuesday April 04, 2023 @10:36AM (#35440316)
I think the answer is that they are making Nixie tubes:

https://www.daliborfarny.com/project/custom-nixie-tube-for-k...

https://www.youtube.com/watch?v=1nHkhJ52iA4

Obvious choice would not be VFDs or nixies but plain LEDs I'd imagine.

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