1734 in science

The year 1734 in science and technology involved some significant events.

Mathematics

 * George Berkeley publishes The Analyst, an empiricist critique of the foundations of infinitesimal calculus, influential in the development of mathematics.
 * Leonhard Euler introduces the integrating factor technique for solving first-order ordinary differential equations.

Technology

 * James Short constructs a Gregorian reflecting telescope with an aperture of 14 in.

Zoology

 * René Antoine Ferchault de Réaumur begins publication of Mémoires pour servir à l'histoire des insectes in Amsterdam.

Awards

 * Copley Medal: John Theophilus Desaguliers

Births

 * January 23 – Wolfgang von Kempelen, Hungarian inventor (died 1804)
 * April 18 – Elsa Beata Bunge, Swedish botanist (died 1819)
 * May 23 – Franz Mesmer, German physician (died 1815)
 * September 3 – Joseph Wright, English painter of scientific subjects (died 1797)

Deaths

 * February 1 – John Floyer, English physician (born 1649)
 * April 25 – Johann Konrad Dippel, German theologian, alchemist and physician (born 1673)