History of Cathode Ray Tubes with Kathy Joseph — EEVblog 1577

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

Functional anatomy of musical processing in listeners with absolute pitch and relative pitch

Abstract   We used both structural and functional brain imaging techniques to investigate the neural basis of absolute pitch (AP), a specialized skill present in some musicians. By using positron emission tomography, we measured cerebral blood flow during the presentation of musical tones to AP possessors and to control musicians without AP. Listening to musical … Read more