1745 in science

The year 1745 in science and technology involved some significant events.

Astronomy

*The Omega Nebula, Messier 25, Messier 35, and IC 4665 are discovered by Philippe Loys de Chéseaux.

Biology

*Charles Bonnet publishes his first work on entomology, entitled "Traité d'insectologie".

Geography

*The Cassini projection, a type of map projection, is described by César-François Cassini de Thury.

Physics

*The Leyden jar, a device for storing electric charge, is invented by Pieter van Musschenbroek. It was the first capacitor.

Technology

*The first blasting cap, or detonator, is demonstrated by a Dr. Watson of the Royal Society.

Awards

* Copley Medal: William Watson

Births

* January 6 — Jacques Étienne Montgolfier, French inventor (died 1799)
* January 7 — Johan Christian Fabricius, Danish entomologist (died 1808)
* February 18 — Alessandro Volta, physicist (died 1827)
* April 26 — Johann Anton Güldenstädt, German naturalist and explorer (died 1781)
* December 15 — Johann Gottfried Koehler, German astronomer (died 1801)
* December 28 — Juan de Ayala, Spanish explorer (died 1797)
* William Cumberland Cruikshank, British chemist (died 1800)

Deaths

* November 30 — Johann Bessler, German inventor (born 1680)
* Jacques de Noyon, French Canadian explorer (born 1688)