1722 in science

List of years in science (table)
... 1712 1713 1714 1715 1716 1717 1718 ... 1719 1720 1721 1722 1723 1724 1725 ... 1726 1727 1728 1729 1730 1731 1732 ...
Art Archaeology Architecture Literature Music Philosophy Science +...

The year 1722 in science and technology involved some significant events.

Chemistry

• René Antoine Ferchault de Réaumur publishes his work on metallurgy, L'Arte 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.

Physics

• Willem 's Gravesande publishes experimental proof that the formula for kinetic energy of a body in motion is ${\displaystyle E_{k}\propto {\begin{matrix}\end{matrix}}mv^{2}}$.

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.^[1]

Births

• May 11 – Petrus Camper, Dutch comparative anatomist (died 1789)
• November 19 – Leopold Auenbrugger, Austrian physician (died 1809)
• Thomas Barker, English meteorologist (died 1809)
• December 28 – Eliza Lucas, American agronomist (died 1793)

Deaths

• May 20 – Sébastien Vaillant, French botanist (born 1669)

References

1. Britten, F. J. (1894). Former Clock & Watchmakers and their Work. London: E. & F.N. Spon. pp. 89–97.