October 20, 1906 Dr. Lee DeForest announces his three-element electrical vacuum tube, later known as a triode. The triode was able to produce a large voltage-amplifying effect, which when used to amplify weak signals, will make long-distance communication possible for the first time. Triode Announced is original content of This Day in Tech History. This Day in…

October 20, 1906 Dr. Lee DeForest announces his three-element electrical vacuum tube, later known as a triode. The triode was able to produce a large voltage-amplifying effect, which when used to amplify weak signals, will make long-distance communication possible for the first time. This Day in Tech History Tech History provided by This Day in Tech History.com

October 20, 1906 Dr. Lee DeForest announces his three-element electrical vacuum tube, later known as a triode. The triode was able to produce a large voltage-amplifying effect, which when used to amplify weak signals, will make long-distance communication possible for the first time. Previous post: VisiCalc Officially Released This Day in Tech History Tech History provided by…

October 20, 1906 Dr. Lee DeForest announces his three-element electrical vacuum tube, later known as a triode. The triode was able to produce a large voltage-amplifying effect, which when used to amplify weak signals, will make long-distance communication possible for the first time. Previous post: VisiCalc Officially Released This Day in Tech History