Editing 1654 in science

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The year '''1654 in [[science]]''' and [[technology]] involved some significant events.

==Astronomy==
* [[Sicily|Sicilian]] [[astronomer]] [[Giovanni Battista Hodierna]] publishes ''[[De systemate orbis cometici, deque admirandis coeli characteribus]]'' including a [[Astronomical catalog|catalog]] of [[comet]]s and [[nebula]]e.

==Mathematics==
* At the prompting of the [[Chevalier de Méré]], [[Blaise Pascal]] corresponds with [[Pierre de Fermat]] on gambling problems, from which is born the theory of [[probability]].<ref>{{cite book|first=Tony|last=Crilly|title=50 Mathematical Ideas you really need to know|location=London|publisher=Quercus|year=2007|isbn=978-1-84724-008-8|page=132}}</ref>

==Physics==
* May 8 – [[Otto von Guericke]] demonstrates the effectiveness of his [[vacuum pump]] and the power of [[atmospheric pressure]] using the [[Magdeburg hemispheres]] before [[Ferdinand III, Holy Roman Emperor]], in [[Regensburg]].<ref>{{cite encyclopedia|title=Von Guericke, Otto|encyclopedia=[[Encyclopædia Britannica]]|edition=11th|volume=9|page=670|publisher=The Encyclopædia Britannica Co|year=1910|url=https://books.google.com/books?id=GFAEAAAAYAAJ&pg=PA670&}}</ref>

==Births==
* December 27 – [[Jakob Bernoulli]], Swiss [[mathematician]] (died [[1705 in science|1705]]).
* [[John Banister (naturalist)|John Banister]], English missionary and [[botanist]] (died [[1692 in science|1692]]).
* ''prob. date'' – [[Eleanor Glanville]], English [[entomologist]] (died [[1709 in science|1709]]).

==Deaths==
* August 31 – [[Ole Worm]], Danish [[physician]], [[natural historian]] and [[antiquary]] (born [[1588 in science|1588]])
* October 18 – [[Nicholas Culpeper]], English [[herbalist]] (born [[1616 in science|1616]])
* [[Giovanni de Galliano Pieroni]], Italian military engineer and astronomer (born [[1586 in science|1586]])

==References==
{{reflist}}

[[Category:1654 in science| ]]
[[Category:17th century in science]]
[[Category:1650s in science]]