In his book, Pseudodoxia Epidemica,
Sir Thomas Browne was the first to print the word "electricity".
the first important introduction to Descartes' cartesian geometry
William Gilbert's A New Philosophy of Our Sublunar World is published posthumously. It theorises that the fixed stars are not all the same distance from Earth, and that the force of magnetism holds the planets in orbit around the Sun.
Sir Isaac Newton develops differential calculus and uses a prism to split sunlight into its component colours, which helped us understand the nature of light more comprehensively
Otto Von Guericke performs fascinating experiments with static electricity.
Robert Boyle discovered that electric force could be transmitted through a vacuum and observed attraction and repulsion.
Danish astronomer Ole Rømer (1644-1710) measures the speed of light by observing the eclipses of Jupiter's moons: Roemer obtains a speed of only 140,000 miles per second, which is approximately 25% too slow
Christiaan Huygens publishes his Traité de la Lumière/Treatise on Light, which states his principle of wavefront sources
Isaac Newton's Principia is published, describing his theory of universal gravitation and laws of mechanics. The concepts in the Principia become the foundations of modern physics.
The principle of conversion of electrical energy into mechanical energy by electromagnetic means was demonstrated by the British scientist Michael Faraday in 1821
William Cooke and Charles Wheatstone - first commercial electric telegraph - England
George B. Prescott introduced his 1860 History, Theory and Practice of the Electric Telegraph
Edwin Colpitts - Jan. 19
Thomas Edison discovered that electrons will flow from one metal conductor to another through a vacuum and called this discovery the Edison Effect.
John Fleming invents the electron tube diode using the Edison Effect
Lee DeForest invents the vacuum tube triode
Birth of the American Radio Relay League
Edwin Armstrong invented the "super-heterodyne receiver"
First ARRL Station - 1MK
Amateurs get new bands at 80, 40, 20, and 5 meters
Bell Laboratories publicly unveiled the television
The Federal Communications Commission (FCC) succeeded the FRC with the passage of the Communications Act of 1934.
Edwin Armstrong invented wide-band frequency modulation (FM)
W1AW call assigned to ARRL Station in Newington, CT.
Black-Out of amateur radio after Pearl Harbor
The transistor was invented by a team of engineers from Bell Laboratories. John Bardeen, Walter Brattain, and William Shockley.
PART (police amateur radio team) founded
WARC bands established
FISTSfounded by George Longden (G3ZQS)
The Straight Key Century Club started