Franklin’s Kite–1752
Faraday’s Law of Induction–1831
Maxwell’s Equations–1861
Edison’s Phonograph–1877
Edison’s light bulb–1879
Edison’s first DC power station–1882
Michelson-Morley experiment disproving ether–1887
Hertz demonstrates radio waves–1888
Westinghouse first AC power station–1891
This book–1892
Discovery of the electron–1897
Marconi radio signals cross the English Channel–1897
First Vacuum Tube–1904
Special Relativity, photo-electric effect explained with photons–1905
General Relativity: space-time dilation and curvature–1915
Confirmation of general relativity’s prediction of the deflection
of starlight by the Sun–1919
Discovery of the proton–1920
Quantum theory–1926
Discovery of neutron–1932
First transistor–1947
Soviet satellite Luna measures solar wind–1959
Edward M. Purcell explains magnetism with special relativity–1963