relativity

History of Cathode Ray Tubes with Kathy Joseph — EEVblog 1577

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https://www.youtube.com/watch?v=CnJ7mQ_Fo-8   Book: “LIGHTNING TAMERS”   Fathers of vacuum tube / electron valves LEE DEFOREST — https://www.youtube.com/watch?v=CnJ7mQ_Fo-8 EDWIN ARMSTRONG (super heterodyne) — https://duckduckgo.com/?q=vacuum+tube%2C+armstrong REGINALD FESSENDEN — https://en.wikipedia.org/wiki/Reginald_Fessenden First image created by CRT — Maltese Cross. Crookes member of Golden Dawn. Occult all wrapped up in this. One purpose was to contact dead.   ERIC DOLLARD talked about this … Read more

The indefatigable Preston Nichols explains what not long ago was “the next step in digital sound” on this planet

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https://www.youtube.com/watch?v=RbwvqVh-qWE “It’s true, [vacuum tubes sound better than transistors] because the vacuum tube produces…life energies.” — 37:45 in   From the comments — “…I saw tapes of Preston at a Tesla society  conference. With scientists in the audience he was able to break down quantum psychics formulas on a black board from memory. Some of … Read more