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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 - Jacob Roggeveen lands on Easter Island.

Mathematics

Abraham de Moivre states de Moivre's formula, connecting complex numbers and trigonometry.

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 (d. 1789)

Deaths

May 20 - Sébastien Vaillant, French botanist (b. 1669)

References

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

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Chronology

1721 - 1722 - 1723

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