- Focus on Physics

Physics Timeline 1800- 1830

Dates Characters Theories and discoveries
1800 William Herschel Infrared rays from the Sun
1801 Johann Ritter Ultraviolet rays
1801 Johann von Soldner Predicted Newtonian bending of light by sun
1801 Giuseppe Piazzi First asteroid Ceres
1801 Humphry Davy Electric arc
1801 Andres Manuel del Rio Compounds of element vanadium
1801 Charles Hatchett Element niobium in ores
1802 Heinrich Olbers Second asteroid Pallas
1802 Anders Ekeberg Element tantalum
1802 William Wollaston Dark lines in solar spectrum
1802 William Herschel Double stars are bodies in mutual orbit
1802 Thomas Young Interference and wave description of light
1802 Humphry Davy Electrochemistry
1802 Joseph Gay-Lussac Relation of Volume to Temperature of gases at fixed pressure
1803 William Wollaston Elements rhodium and palladium
1803 Smithson Tennant Elements osmium and iridium
1804 John Dalton Law of partial pressures, Dalton’s law
1807 Humphry Davy Isolation of elements sodium and potasium
1808 Humphry Davy Isolation of elements magnesium, strontium, barium and calcium
1808 Davy, Gay-Lussac & Thenard Isloation of element boron
1808 Joseph Gay-Lussac Law of gas volumes in chemical reactions
1808 John Dalton Atomic theory of chemical reactions
1808 Etienne Malus Polarisation of reflected light
1809 Simeon-Denis Poisson Poisson brackets in mechanics
1811 Amedeo Avogadro Molecular theory of gases and Avogadro’s law
1811 Jean-Baptiste Fourier Harmonic analysis
1811 Bernard Courtois Element iodine
1812 David Brewster Behaviour of polarised light
1814 Joseph von Fraunhofer Spectroscope invented
1815 William Prout Atomic weights of elements are multiples of that for hydrogen
1815 Augustin Fresnel Theory of light diffraction
1816 Joseph von Fraunhofer Absorption lines in sun’s spectrum
1817 Young and Fresnel Transverse nature of light
1817 Johan Arfvedson Element lithium
1817 Friedrich Strohmeyer Element cadmium
1817 Jöautns Berzelius Element selenium
1818 Augustin Fresnel, Ether as absolute rest frame
1819 Dulong and Petit Relation of specific heats to atomic weight in 12 solid elements
1820 Andre Ampere Force on an electric current in a magnetic field
1820 Hans Christian Oersted An electric current deflects a magnetised needle
1820 Biot and Savart Force law between an electric current and a magnetic field
1821 Thomas Seebeck Thermocouple and thermoelectricity
1821 Joseph von Fraunhofer Diffraction grating
1821 Michael Faraday Plotted the magnetic field around a conductor
1821 Michael Faraday First electric motor
1822 Andre Ampere Two wires with electric currents attract
1822 Charles Babbage A prototype calculating machine
1822 Mary Mantell First dinosaur fossil
1823 Michael Faraday Liquifies chlorine
1823 John William Herschel Suggests identification of chemical composition from spectrum
1823 William Sturgeon Electromagnets
1823 Heinrich Olbers Why is the sky dark?
1823 Johann Schweigger Galvanometer
1824 Sadi Carnot Heat transfer goes from hot body to cold body
1824 Jöautns Berzelius Element silicon
1824 Jöautns Berzelius Isolation of element zirconium
1825 Hans Christian Oersted Isolation of element aluminium
1826 Antoine-J. Balard Element bromine discovered
1827 Georg Ohm Electrical resistance and Ohm’s law
1827 Robert Brown Brownian motion
1828 Friedrich Wohler Isolation of element yttrium
1829 Johann Wolfgang Triads of chemical elements
1829 Thomas Graham Gas diffusion law
1829 Jons Berzelius Element thorium discovered
1830 Charles Lyell Proposition that Earth is several million years old
1830 Nils Sefstrom Rediscovery and naming of vanadium
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