In 1821, Humphry Davy described the basic rules of electric conductivity. #Poetry #Science #History #Electromagnetism #Conductivity #Davy sharpgiving.com/Sharp/theboo...
In 1821, Humphry Davy described the basic rules of electric conductivity. #Poetry #Science #History #Electromagnetism #Conductivity #Davy sharpgiving.com/Sharp/theboo...
1820: Electromagnetism - The book of science - By 1820, Hans Christian Γrsted, AndrΓ©-Marie AmpΓ¨re, and Michael Faraday discovered and developed the principles and use of electromagnetism. #Poetry #Science #History #Electromagnetism #Γrsted #AmpΓ¨re #Faraday sharpgiving.com/Sharp/theboo...
In 1819, Augustin-Jean Fresnel and FranΓ§ois Arago teased out the properties of polarized light and explained how light waves vibrate. #Poetry #Science #History #Electromagnetics #Fresnel #Arago sharpgiving.com/Sharp/theboo...
In 1818, John Leslie invented a means of measuring the coldness of the night sky. #Poetry #Science #History #Thermometry #Aethrioscope #Leslie sharpgiving.com/Sharp/theboo...
Selenium: atomic number: 34; weight: 78.971; Polyatomic nonmetal; discovery: 1817βJΓΆns Jacob Berzelius, Johan Gottlieb Gahn #Poetry #Science #History #Selenium sharpgiving.com/Sharp/theboo...
Cadmium: atomic number: 48; weight: 112.414; Transition metal; discovery: 1817βKarl Hermann, Friedrich Stromeyer, Johann Roloff #Poetry #Science #History #Cadmium sharpgiving.com/Sharp/theboo...
Lithium: atomic number: 3; weight: 6.94; Alkali metal; Discovery: 1817,1821βJohan Arfwedson, William Thomas Brande #Poetry #Science #History #Lithium sharpgiving.com/Sharp/theboo...
In 1817, Heinz Christian Pander discovered that animal embryos develop three layers: ectoderm, mesoderm, and endoderm. #Poetry #Science #History #Embryology #Pander #Ectoderm #Mesoderm #Endoderm sharpgiving.com/Sharp/theboo...
In 1817, Henry Kater build the first reversible pendulum and explained how to use it to measure the local force of gravity. sharpgiving.com/Sharp/theboo...
In 1816, Robert Stirling invented a reversible external-combustion heat engine. #Poetry #Science #History #Thermodynamics #Stirling sharpgiving.com/Sharp/theboo...
In 1816, Francis Ronalds was the first to create a successful electric telegraph. #Poetry #Science #History #Telegraph #FrancisRonalds sharpgiving.com/Sharp/theboo...
In 1815, William Prout proposed that all elements were groupings of hydrogen atoms. #Poetry #Science #History #Physics #Prout sharpgiving.com/Sharp/theboo...
In 1815, William Smith showed that that fossils can be used to identify strata, beginning the science of stratigraphy. sharpgiving.com/Sharp/theboo...
1814-1815: Dietrich Nikolaus Winkel invented the metronome, a balanced pendulum to keep musical time. #Poetry #Science #History #Horology #Metronome #Winkel sharpgiving.com/Sharp/theboo...
In 1814, Joseph von Fraunhofer discovered that each element produces different spectral lines. #Poetry #Science #History #Chemistry #Physics #Spectroscope #Fraunhofer sharpgiving.com/Sharp/theboo...
In 1813, JΓΆns Jacob Berzelius outlined the modern system for chemical notation. #Poetry #Science #History #Chemistry #Nomenclature #Berzelius sharpgiving.com/Sharp/theboo...
In 1812, Friedrich Mohs introduced his standard scale for hardness of minerals. #Poetry #Science #History #Minerals #Hardness #Mohs sharpgiving.com/Sharp/theboo...
Iodine: atomic number: 53; weight: 126.90447; Halogen; discovery: 1811βBernard Courtois #Poetry #Science #History #Iodine sharpgiving.com/Sharp/theboo...
In 1811, Amedeo Avogadro related the molar mass of a compound to the mass of a sample. #Poetry #Science #History #Chemistry #Avogadro sharpgiving.com/Sharp/theboo...
In 1809, Jean-Baptiste Lamarck proposed the theory that animals evolve according to their need and that they pass their acquired characteristics to their offspring. #Poetry #Science #History #Evolution #Lamarck sharpgiving.com/Sharp/theboo...
Boron: atomic number: 5; weight: 10.81; Metalloid; discovery: 1808βHumphry Davy, Joseph Louis Gay-Lussac, Louis Jacques ThΓ©nard #Poetry #Science #History #Boron sharpgiving.com/Sharp/theboo...
Calcium: atomic number: 20; weight: 40.078; Alkaline earth metal; discovery: 1808βHumphry Davy #Poetry #Science #History #Calcium sharpgiving.com/Sharp/theboo...
Sodium: atomic number: 11; weight: 22.98976928; Alkali metal; discovery: 1807βHumphry Davy #Poetry #Science #History #Sodium #HumphryDavy sharpgiving.com/Sharp/theboo...
Potassium: atomic number: 19; weight: 39.0983; Alkali metal; discovery: 1807βHumphry Davy #Poetry #Science #History #Potassium sharpgiving.com/Sharp/theboo...
In 1805, Oliver Evans invented the first amphibious self-powered vehicle to dredge the Philadelphia harbor. #Poetry #Science #History #Mechanics #Thermodynamics #OruktorAmphibolos #Evans sharpgiving.com/Sharp/theboo...
In 1805, Oliver Evans described the essential components of vapor-compression refrigerators. #Poetry #Science #History #Thermodynamics #Refrigeration #Evans sharpgiving.com/Sharp/theboo...
In 1804, William Hyde Wollaston and Smithson Tennant discovered 4 of the missing 5 platinum group metals: rhodium, palladium, iridium, and osmium. #Poetry #Science #History #Metals #Chemistry #PlatinumGroup #Wollaston #Tennant sharpgiving.com/Sharp/theboo...
In 1803, Louis-Bernard Guyton de Morveau calibrated his platinum pyrometer with a mercury thermometer and compared its results to the Wedgwood scale. #Poetry #Science #History #Thermometry #Pyrometer #Guyton sharpgiving.com/Sharp/theboo...
Cerium: atomic number: 58; weight: 140.116; Lanthanide; discovery: 1803,1839βKlaproth, Berzelius, Hisinger, Mosander #Poetry #Science #History #Cerium sharpgiving.com/Sharp/theboo...
Vanadium: atomic number: 23; weight: 50.9415; Transition metal; discovery: 1803,1830,1867βAndrΓ©s Manuel del RΓo, & others #Poetry #Science #History #Vanadium sharpgiving.com/Sharp/theboo...