- Source: 1722 in science
The year 1722 in science and technology involved some significant events.
Chemistry
René Antoine Ferchault de Réaumur publishes his work on metallurgy, L'Art de convertir le fer forge en acier, which describes how to convert iron into steel.
Exploration
April 5 (Easter Sunday) – Jacob Roggeveen lands on Easter Island.
Mathematics
Abraham de Moivre states de Moivre's formula, connecting complex numbers and trigonometry.
Meteorology
A continuous series of weather records is begun in Uppsala by Anders Celsius; it will be maintained for at least 300 years.
Physics
Willem 's Gravesande publishes experimental evidence that the formula for kinetic energy of a body in motion is
E
k
∝
m
v
2
{\displaystyle E_{k}\propto {\begin{matrix}\end{matrix}}mv^{2}}
.
Technology
October – In clockmaking, George Graham demonstrates that his experiments, begun in December 1721, with mercurial compensation of the pendulum result in greater accuracy in timekeeping under conditions of variable temperature.
Births
May 11 – Petrus Camper, Dutch comparative anatomist (died 1789)
November 19 – Leopold Auenbrugger, Austrian physician (died 1809)
December 28 – Eliza Lucas, American agronomist (died 1793)
Thomas Barker, English meteorologist (died 1809)
Deaths
May 20 – Sébastien Vaillant, French botanist (born 1669)
References
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