1734 in science
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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.{{cite book|first=Tony|last=Crilly|title=50 Mathematical Ideas you really need to know|location=London|publisher=Quercus|year=2007|isbn=978-1-84724-147-4|page=77}}
- 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 {{convert|14|in|cm}}.
Zoology
- René Antoine Ferchault de Réaumur begins publication of Mémoires pour servir à l'histoire des insectes in Amsterdam.
Awards
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)