The year 1757 in science and technology involved some significant events.

Astronomy

Tobias Mayer presents accurate tables of the Moon's motion to the Board of Longitude in Great Britain.

Medicine

December 8 - Opening of the "New Lying-In" or Rotunda Hospital in Dublin, designed by Richard Cassels.
Albrecht von Haller begins publication of Elementa physiologiae corporis humani in Switzerland.

Physics

Leonhard Euler publishes his equations for inviscid flow.

Technology

Benjamin Franklin invents a three-wheel clock movement, which later leads to several variants in the design of pendulum clocks.
The Grubenmann brothers complete timber arch bridges in Switzerland which include the longest vehicular bridge spans extant at this date:[1]
Crossing the Rhine at Schaffhausen in two spans of 52 m and 59 m (by Hans Ulrich)
A single-span of 67 m at Reichenau (by Johannes)

Awards

Copley Medal: Lord Charles Cavendish

Births

May 24 - William Charles Wells, Scottish American physician (died 1817)
June 22 - George Vancouver, English explorer (died 1798)
July 11 - Johann Matthäus Bechstein, German naturalist (died 1822)
August 9 - Thomas Telford, Scottish civil engineer (died 1834)

Deaths

January 9
Louis Bertrand Castel, French Jesuit mathematician and physicist (born 1688)
Bernard le Bovier de Fontenelle, French scientific populariser (born 1657)
August 28 - David Hartley, English physician and psychologist (born 1705)
October 17 - René Antoine Ferchault de Réaumur, French physicist (born 1683)

References

^ Troyano, Leonardo Fernández (2003). Bridge Engineering: a Global Perspective. London: Thomas Telford Publishing. pp. 158–9. ISBN 0-7277-3215-3. Retrieved 2011-08-16.