1646 in science

The year 1646 in science and technology involved some significant events.

Technology

 * Pascal's Law, a law of hydrostatics is developed, stating that, in a perfect fluid, the pressure exerted on it anywhere is transmitted equally.

Publications

 * Dr Thomas Browne's Pseudodoxia Epidemica is published in London, introducing the words electricity, medical, pathology, hallucination and computer to the English language and casting doubt on the theory of spontaneous generation.

Births

 * April 20 – Charles Plumier, French botanist (died 1704)
 * July 1 – Gottfried Leibniz, German scientist and mathematician (died 1716)

Deaths

 * November 29 – Laurentius Paulinus Gothus, Swedish theologian and astronomer (born 1565)