1676 in science
The year 1676 in science and technology involved some significant events.
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Astronomy
    
- Summer – The Royal Greenwich Observatory, designed by Christopher Wren, is completed near London.[1]
 - December 7 – Danish astronomer Ole Rømer measures the speed of light by observing the eclipses of Jupiter's moons, obtaining a speed of 140,000 miles per second (approximately 25% too slow).
 - Edmond Halley arrives on the island of Saint Helena, having left the University of Oxford, and sets up an astronomical observatory to catalogue stars from the Southern Hemisphere.
 
Biology
    
- Antony Van Leeuwenhoek discovers bacteria, observed with the microscope.[2]
 - Francis Willughby's Ornithologiae is published by John Ray, the foundation of scientific ornithology.[3][4][5][6]
 
Medicine
    
- William Briggs publishes an anatomy of the eye (the first in England), Ophthalmographia, at Cambridge.[7]
 - Thomas Sydenham publishes the textbook Observationes mediciae, the enlarged 3rd edition of his Methodus curandi febres.
 
Paleontology
    
- The first fossilised bone of what is now known to be a dinosaur is discovered in England by Robert Plot, the femur of a Megalosaurus from a limestone quarry at Cornwell near Chipping Norton, Oxfordshire.[8]
 
Technology
    
- July 7 – The first clocks using a form of deadbeat escapement, constructed by Thomas Tompion to a design by Richard Towneley, are installed at the Royal Greenwich Observatory.
 
Births
    
- May 28 – Jacopo Riccati, Italian mathematician (died 1754)
 - Caleb Threlkeld, Irish botanist (died 1728)
 - Maria Clara Eimmart, German astronomer, engraver and designer (died 1707)
 
Deaths
    
- May 25 – Johann Rahn, Swiss mathematician (born 1622)
 - September 4 – John Ogilby, English cartographer (born 1600)
 
References
    
- Chambers, R. (1878). The Book of Days.
 - "How bacteria was discovered by the father of microbiology, Antonie van Leeuwenhoek". India Today. September 17, 2018. Retrieved 2021-08-30.
 - Egerton, Frank N. (October 2005). "A History of the Ecological Sciences, Part 18: John Ray and His Associates Francis Willughby and William Derham" (PDF). Bulletin of the Ecological Society of America. 86 (4): 301–313. doi:10.1890/0012-9623(2005)86[301:ahotes]2.0.co;2. Retrieved 2011-04-26.
 - Keynes, Sir Geoffrey (1976). John Ray, 1627–1705: a bibliography 1660–1970. Amsterdam: Van Heusden. p. 52.
 - Raven, Charles E. (1942). John Ray, naturalist: his life and works. Cambridge University Press.
 - Newton, Alfred (1893). Dictionary of Birds. London: Black.
 - Kaplan, Barbara Beigun (2004). "Briggs, William (c.1650–1704)". Oxford Dictionary of National Biography. Oxford University Press. doi:10.1093/ref:odnb/3413. Retrieved 2011-10-10. (subscription or UK public library membership required)
 - Sarjeant, William A.S. (1997). "The earliest discoveries". In Farlow, James O.; Brett-Surman, Michael K. (eds.). The Complete Dinosaur. Bloomington: Indiana University Press. pp. 3–11. ISBN 0-253-33349-0.
 
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