A brief tribute today to inventor Lee de Forest (1873-1961). De Forest is probably best known and most widely celebrated for his most significant invention, the Audion, a particular sort of vacuum tube, in 1906. (In shorthand you could say "he invented the vacuum tube", but the world of invention is always more complicated than […]
SOURCE: Trav S.D. at 11:42AM on August 26, 2019