1927 ⟶ Quartz Clock Invention
The quartz clock is invented by Warren Marrison and J.W. Hor...
Year
1917
1927
1947
1948
1971
⏱️ Crystal Oscillator Invention
The crystal oscillator is invented by Alexander M. Nicholson using a crystal of Rochelle Salt although his priority was disputed by Walter Guyton Cady.⟶
ElectronicsRadio TechnologyTelecommunications
United States⏱️ Quartz Clock Invention
The quartz clock is invented by Warren Marrison and J.W. Horton at Bell Telephone Laboratories.⟶
TimekeepingPrecisionElectronics
United States💡 First Public Demonstration of the Transistor
November – December: Three Bell Labs engineers give the first public demonstration of the transistor, an electrical component that could control, amplify, and generate current.⟶
ElectronicsSemiconductorsBell LabsDigital RevolutionMicrochipPost-War
United States💡 First Transistor Invented at Bell Labs
The first transistor, a bipolar point-contact transistor, is invented by John Bardeen and Walter Brattain under the supervision of William Shockley at Bell Labs.⟶
ElectronicsBell LabsSemiconductorsDigital Revolution
United States⏱️ First Atomic Clock Developed
The first atomic clock is developed at the National Bureau of Standards.⟶
PrecisionPhysicsScientific Advancement
United States💻 Intel Releases the First Microprocessor
November 15: Intel releases the world's first microprocessor, the Intel 4004.⟶
Computer RevolutionComputingElectronics
United States