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James Joule was born in 1818, the son of Benjamin Joule (1784–1858), a wealthy brewer, and his wife, Alice Prescott, on New Bailey Street in Salford. [3] Joule was tutored as a young man by the famous scientist John Dalton and was strongly influenced by chemist William Henry and Manchester engineers Peter Ewart and Eaton Hodgkinson.
1840 – James Prescott Joule formulates the equation for Joule heating quantifying the amount of heat produced in a circuit as proportional to the product of the time duration, the resistance, and the square of the current passing through it. [30]
In February 1841, Sturgeon promoted James Prescott Joule's first public lecture at the Gallery and the directors were sanguine about the Gallery's prospects. However, ultimately, there proved to be insufficient local people willing to pay the admission fee and the Gallery closed in 1842. [1] Joule observed:
In 1876, a collection of McCulloh's lecture notes were published in a book entitled Treatise on the Mechanical Theory of Heat and its Application to the Steam Engine, Etc. McCulloh acknowledged the pioneering work of James Prescott Joule and Nicolas Léonard Sadi Carnot in establishing the laws of thermodynamics. He went on to say of this ...
Joule's apparatus for measuring the mechanical equivalent of heat. Most established scientists, such as William Henry, [13] as well as Thomas Thomson, believed that there was enough uncertainty in the caloric theory to allow its adaptation to account for the new results. It had certainly proved robust and adaptable up to that time.
Julius Robert von Mayer and James Prescott Joule measure the heat generated by mechanical work. This establishes the principle of conservation of energy and the kinetic theory of heat (1842–1843). Louis Pasteur separates a racemic mixture of two enantiomers by sorting individual crystals, and demonstrates their impact on the polarization of ...
James Prescott Joule; G. Gough–Joule effect; H. Joule heating; J. Joule; T. Joule–Thomson effect This page was last edited on 14 January 2024, at 22:45 ...
1843: James Prescott Joule: Law of Conservation of energy (First law of thermodynamics), also 1847 – Helmholtz, Conservation of energy. 1846: Johann Gottfried Galle and Heinrich Louis d'Arrest: discovery of Neptune. 1847: George Boole: publishes The Mathematical Analysis of Logic, defining Boolean algebra; refined in his 1854 The Laws of Thought.