Physics Timeline 1751 – 1799

Dates Characters Theories and discoveries
1751 Benjamin Franklin Electricity can magnetise needles
1751 Frederik Cronstedt Element nickel
1752 Jean d’Alembert Viscosity
1754 Joseph Black Discovery of carbon dioxide showing that there are gases other than air
1755 Immanuel Kant Theory that the universe formed from a spinning nebula in an infinite hierarchy
1756 William Cullen Evaporation causes cooling
1756 Mikhail Lomonosov Supports wave theory of light
1761 Joseph Black Discovery and measurements of latent and specific heats
1761 John Harrison Portable chronometer
1765 Leonhard Euler Rigid body motions
1766 Joseph Priestley Inverse square law for electric charge
1766 Henry Cavendish Hydrogen is an element
1771 Luigi Galvani Electricity in animals
1772 Carl Scheele Saw air as two gases one of which encouraged combustion
1772 Daniel Rutherford Nitrogen discovered
1772 Antoine Lavoisier Conservation of mass in chemical reactions
1772 Joseph Lagrange Theory of Lagrange points
1774 Priestley, Scheele Element oxygen
1774 Nevil Maskelyne Gravitational deflection of plumb line by a mountain
1774 Carl Scheele Element chlorine
1774 Johann Gahn Element manganese
1775 Alessandro Volta Electrical condenser
1776 Pierre-Simon Laplace Deterministic causality
1777 Antoine Lavoisier Composition of air and burning as a chemical reaction
1779 Charles Augustin de Coulomb Coulomb’s law of friction
1781 Immanuel Kant Critique of pure reason
1781 William Herschel Discovery of Uranus
1781 Carl Scheele Element molybdenum in ore
1781 Charles Messier Catalogue of nebulae
1781 Heinrich Olbers Uranus is a planet, not a comet
1782 Jacob Hjelm Isolation of element molybdenum
1782 Franz von Reichstein Element tellurium in ores
1782 William Herschel Catalog of double stars
1782 William Herschel Sun’s motion through space
1783 John Michell Newtonian black hole
1783 Fausto/Juan José de Elhuyar Element tungsten
1783 Rene Hauy Nature of crystals
1784 Henry Cavendish Water is a compound of oxygen and hydrogen
1784 Pierre Laplace Electrostatic potential
1785 Charles Augustin de Coulomb Electric force proportional to product of charges & 1/square of distance
1786 Antoine Lavoisier Distinction between elements and compounds
1787 Antoine Lavoisier System for naming chemicals
1787 Jacques-Alexander Charles Law of gas expansion with temperature
1788 Joseph Lagrange Lagrangian mechanics
1788 John Hunter Diffusion of heat
1789 Antoine Lavoisier Conservation of mass in chemical reactions
1789 Martin Klaproth Elements zirconium and uranium in compounds
1790 Mechain and Delambre Definition of metric system in France
1790 Adair Crawford Element strontium in compounds
1791 William Gregor Element titanium in compounds
1794 Johann Gadolin Element yttrium in compounds
1794 Pierre Laplace Analysis of Newtonian black hole
1796 Alessandro Volta Chemical batteries and voltage
1797 Henry Cavendish Measured the gravitational constant with a torsion balance
1797 Nicholas Vauquelin Element berylium idnetified in gem stones
1797 Nicholas Vauquelin Element chromium discovered
1798 Benjamin Thompson Heat generated equals work done
1798 M. Klaproth Isolation of element tellurium
1798 Humphry Davy Transmission of heat through vacuum
1798 Benjamin Rumford Experimental relation between work done and heat generated

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