“1723 in science”的意思、由来-开放百科全书

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1723 in science

释义

Geophysics
Optics
Births
Deaths
References

The year 1723 in science and technology involved some significant events.

Geophysics

George Graham discovers diurnal variation in Earth's magnetic field.^[1]^[2]
Antoine de Jussieu publishes De l'Origine et des usages de la Pierre de Foudre on the origins of fossils, prehistoric stone tools and meteorites.^[3]

Optics

Giacomo F. Maraldi makes the first observation of the Arago spot, unrecognized at this time.^[4]

Births

January 5 - Nicole-Reine Lepaute, French astronomer (died 1788)
January 31 – Petronella Johanna de Timmerman, Dutch scientist (died 1786)
February 17 – Tobias Mayer, German cartographer, astronomer and physicist (died 1762)
April 30 – Mathurin Jacques Brisson, French zoologist (died 1806)
Saverio Manetti, Italian natural historian (died 1785)

Deaths

August 26 – Anton van Leeuwenhoek, Dutch pioneer of the microscope (born 1632)

References

1. ^{{cite journal|last=Graham|first=George|year=1724|title=An Account of Observations Made of the Variation of the Horizontal Needle at London, in the Latter Part of the Year 1722, and Beginning of 1723|journal=Philosophical Transactions of the Royal Society|volume=33|pages=96–107|doi=10.1098/rstl.1724.0020}}
2. ^{{cite journal|last=Graham|first=George|year=1724|title=Observations of the Dipping Needle, Made at London, in the Beginning of the Year 1723|journal=Phil. Trans.|volume=33|pages=332–339|doi=10.1098/rstl.1724.0062}}
3. ^{{cite web|url=http://rr0.org/data/1/9/7/8/Westrum_TheCaseOfMeteorites_SocialStudiesOfScience/03/index_fr.html|title=Les pierres de foudre|accessdate=2011-10-18}}
4. ^{{cite book|last=Hecht|first=Eugene|title=Optics|location=San Francisco|publisher=Addison Wesley|year=2002|edition=4th|isbn=0-8053-8566-5|page=494}}

3 : 1723 in science|18th century in science|1720s in science

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