Famous Physics Experiments Database Famous Physics Experiments Database

Groundbreaking Physics Experiments Through History

This database catalogues the most influential experiments that shaped our understanding of the physical universe. Each entry represents a pivotal moment in scientific discovery that fundamentally changed our view of reality.

Explore the Experiments

The experiments are rated by their historical impact score (1-100) and include details about the scientists involved, equipment used, and their groundbreaking outcomes.

id scientist equipment outcome year impactScore
Double-Slit Thomas Young Double-slit apparatus Proved light exhibits both wave and particle properties 1801 95
Michelson-Morley Michelson and Morley Interferometer Disproved existence of luminiferous aether 1887 98
Oil-Drop Robert Millikan Oil drop apparatus Measured elementary electric charge 1909 90
Stern-Gerlach Stern and Gerlach Magnetic field beam Demonstrated quantum spin states 1922 85
Cavendish Henry Cavendish Torsion balance First measured gravitational constant 1798 88
Davisson-Germer Davisson and Germer Electron diffraction apparatus Proved wave nature of electrons 1927 87
Photoelectric Heinrich Hertz Ultraviolet light source Demonstrated quantum nature of light 1905 94
Rutherford Gold Foil Ernest Rutherford Gold foil, alpha particles Discovered atomic nucleus 1909 96
Fizeau-Foucault Fizeau and Foucault Rotating mirror apparatus First accurate measurement of light speed 1850 84
Franck-Hertz Franck and Hertz Mercury vapor tube Proved quantum energy levels 1914 88
Pound-Rebka Pound and Rebka Gamma ray spectrometer Verified gravitational time dilation 1959 86
Wu Experiment Chien-Shiung Wu Cobalt-60 decay setup Proved parity violation 1956 89
Bell Test John Clauser Entangled photon source Verified quantum entanglement 1972 93
Galileo Ball Drop Galileo Galilei Leaning Tower of Pisa Proved objects fall at same rate 1589 92
Cosmic Microwave Penzias and Wilson Horn antenna Discovered cosmic background radiation 1964 97
Cathode Ray J.J. Thomson Cathode ray tube Discovered electron 1897 91
Hafele-Keating Hafele and Keating Atomic clocks Proved time dilation effect 1971 85
Eötvös Roland Eötvös Torsion balance Verified equivalence principle 1908 83
Aspect Alain Aspect Photon detectors Tested Bell inequalities 1982 90
Compton Arthur Compton X-ray scattering setup Proved particle nature of photons 1923 89

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