1756 in science
Encyclopedia
The year 1756 in science
and technology
involved some significant events.
Science
Science is a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe...
and technology
Technology
Technology is the making, usage, and knowledge of tools, machines, techniques, crafts, systems or methods of organization in order to solve a problem or perform a specific function. It can also refer to the collection of such tools, machinery, and procedures. The word technology comes ;...
involved some significant events.
Chemistry
- Joseph BlackJoseph BlackJoseph Black FRSE FRCPE FPSG was a Scottish physician and chemist, known for his discoveries of latent heat, specific heat, and carbon dioxide. He was professor of Medicine at University of Glasgow . James Watt, who was appointed as philosophical instrument maker at the same university...
describes how carbonates become more alkaline when they lose carbon dioxideCarbon dioxideCarbon dioxide is a naturally occurring chemical compound composed of two oxygen atoms covalently bonded to a single carbon atom...
, whereas the taking-up of carbon dioxide reconverts them. - Mikhail LomonosovMikhail LomonosovMikhail Vasilyevich Lomonosov was a Russian polymath, scientist and writer, who made important contributions to literature, education, and science. Among his discoveries was the atmosphere of Venus. His spheres of science were natural science, chemistry, physics, mineralogy, history, art,...
disproves the phlogiston theoryPhlogiston theoryThe phlogiston theory , first stated in 1667 by Johann Joachim Becher, is an obsolete scientific theory that postulated the existence of a fire-like element called "phlogiston", which was contained within combustible bodies and released during combustion...
of combustion and pioneers the study of oxidation by converting tinTinTin is a chemical element with the symbol Sn and atomic number 50. It is a main group metal in group 14 of the periodic table. Tin shows chemical similarity to both neighboring group 14 elements, germanium and lead and has two possible oxidation states, +2 and the slightly more stable +4...
to stannic oxide.
Technology
- John SmeatonJohn SmeatonJohn Smeaton, FRS, was an English civil engineer responsible for the design of bridges, canals, harbours and lighthouses. He was also a capable mechanical engineer and an eminent physicist...
produces the first high-quality cementCementIn the most general sense of the word, a cement is a binder, a substance that sets and hardens independently, and can bind other materials together. The word "cement" traces to the Romans, who used the term opus caementicium to describe masonry resembling modern concrete that was made from crushed...
since Roman timesAncient RomeAncient Rome was a thriving civilization that grew on the Italian Peninsula as early as the 8th century BC. Located along the Mediterranean Sea and centered on the city of Rome, it expanded to one of the largest empires in the ancient world....
for construction of the third Eddystone LighthouseEddystone LighthouseEddystone Lighthouse is on the treacherous Eddystone Rocks, south west of Rame Head, United Kingdom. While Rame Head is in Cornwall, the rocks are in Devon and composed of Precambrian Gneiss....
(completed 17591759 in scienceThe year 1759 in science and technology involved some significant events.-Biology:* Caspar Friedrich Wolff's dissertation at the University of Halle Theoria Generationis supports the theory of epigenesis.-Botany:...
), following burning down of the second in 17551755 in scienceThe year 1755 in science and technology involved some significant events.-Chemistry:* Joseph Black describes his discovery of carbon dioxide and magnesium in a paper to the Philosophical Society of Edinburgh.-Earth sciences:...
. - MayonnaiseMayonnaiseMayonnaise, , often abbreviated as mayo, is a sauce. It is a stable emulsion of oil, egg yolk and either vinegar or lemon juice, with many options for embellishment with other herbs and spices. Lecithin in the egg yolk is the emulsifier. Mayonnaise varies in color but is often white, cream, or pale...
is invented by the French chef of the Duc de RichelieuLouis François Armand du Plessis, duc de RichelieuArmand de Vignerot du Plessis was a French soldier, diplomat and statesman. Joining the army, he participated in three major wars and eventually rose to the rank of Marshal of France....
.
Births
- June 4 - Jean-Antoine ChaptalJean-Antoine ChaptalJean-Antoine Claude, comte Chaptal de Chanteloup was a French chemist and statesman. He established chemical works for the manufacture of the mineral acids, soda and other substances...
, FrenchFranceThe French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...
chemistChemistA chemist is a scientist trained in the study of chemistry. Chemists study the composition of matter and its properties such as density and acidity. Chemists carefully describe the properties they study in terms of quantities, with detail on the level of molecules and their component atoms...
who named nitrogenNitrogenNitrogen is a chemical element that has the symbol N, atomic number of 7 and atomic mass 14.00674 u. Elemental nitrogen is a colorless, odorless, tasteless, and mostly inert diatomic gas at standard conditions, constituting 78.08% by volume of Earth's atmosphere...
in 1790 (died 18321832 in scienceThe year 1832 in science and technology involved some significant events, listed below.-Biology:* Isidore Geoffroy Saint-Hilaire begins publication of Histoire générale et particulière des anomalies de l’organisation chez l’homme et les animaux, a key text on teratology.-Exploration:* April 21 -...
) - September 21 - John Loudon McAdamJohn Loudon McAdamJohn Loudon McAdam was a Scottish engineer and road-builder. He invented a new process, "macadamisation", for building roads with a smooth hard surface that would be more durable and less muddy than soil-based tracks....
, road-engineer (died 18361836 in scienceThe year 1836 in science and technology involved some significant events, listed below.-Astronomy:* May 15 - Francis Baily, during an eclipse of the sun, observes the phenomenon named after him as Baily's beads.-Biology:...
) - November 30 - Ernst ChladniErnst ChladniErnst Florens Friedrich Chladni was a German physicist and musician. His important works include research on vibrating plates and the calculation of the speed of sound for different gases. For this some call him the "Father of Acoustics"...
, physicistPhysicistA physicist is a scientist who studies or practices physics. Physicists study a wide range of physical phenomena in many branches of physics spanning all length scales: from sub-atomic particles of which all ordinary matter is made to the behavior of the material Universe as a whole...
(died 18271827 in scienceThe year 1827 in science and technology involved some significant events, listed below.-Chemistry:* Aluminium isolated by Friedrich Wöhler.* William Prout classifies the components of food into the three main divisions of carbohydrates, fats and proteins....
) - December 26 - Bernard Germain Etienne de la Ville, Comte de Lacepede, naturalistNatural historyNatural history is the scientific research of plants or animals, leaning more towards observational rather than experimental methods of study, and encompasses more research published in magazines than in academic journals. Grouped among the natural sciences, natural history is the systematic study...
(died 18251825 in scienceThe year 1825 in science and technology involved some significant events, listed below.-Astronomy:* Pierre-Simon Laplace completes his study of gravitation, the stability of the solar system, tides, the precession of the equinoxes, the libration of the Moon, and Saturn's rings in Mecanique...
)
Deaths
- February 22 - Pehr LöflingPehr LöflingPehr Löfling was a Swedish botanist and an apostle of Carl Linnaeus.-Biography:Löfling was born in Tolvfors Bruk, Gävle , Sweden. He studied at the University of Uppsala where he attended courses taught by Carolus Linnaeus...
, SwedishSwedenSweden , officially the Kingdom of Sweden , is a Nordic country on the Scandinavian Peninsula in Northern Europe. Sweden borders with Norway and Finland and is connected to Denmark by a bridge-tunnel across the Öresund....
botanist, pupil of LinnaeusCarolus LinnaeusCarl Linnaeus , also known after his ennoblement as , was a Swedish botanist, physician, and zoologist, who laid the foundations for the modern scheme of binomial nomenclature. He is known as the father of modern taxonomy, and is also considered one of the fathers of modern ecology...
(born 17291729 in scienceThe year 1729 in science and technology involved some significant events.-Astronomy:* January 9 & 16 - James Bradley, in a letter written to Edmond Halley and read before the Royal Society, describes his discovery of aberration of starlight.* August 1 - Fr...
) - April 16 - Jacques CassiniJacques CassiniJacques Cassini was a French astronomer, son of the famous Italian astronomer Giovanni Domenico Cassini.Cassini was born at the Paris Observatory. Admitted at the age of seventeen to membership of the French Academy of Sciences, he was elected in 1696 a fellow of the Royal Society of London, and...
, French astronomerAstronomerAn astronomer is a scientist who studies celestial bodies such as planets, stars and galaxies.Historically, astronomy was more concerned with the classification and description of phenomena in the sky, while astrophysics attempted to explain these phenomena and the differences between them using...
(born 16771677 in scienceThe year 1677 in science and technology involved some significant events.-Mathematics:* Publication of Cocker's Arithmetick: Being a Plain and Familiar Method Suitable to the Meanest Capacity for the Full Understanding of That Incomparable Art, As It Is Now Taught by the Ablest School-Masters in...
)