1685 in science
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The year 1685 in
science Science is a systematic endeavor that builds and organizes knowledge in the form of testable explanations and predictions about the universe. Science may be as old as the human species, and some of the earliest archeological evidence for ...
and
technology Technology is the application of knowledge to reach practical goals in a specifiable and reproducible way. The word ''technology'' may also mean the product of such an endeavor. The use of technology is widely prevalent in medicine, science, ...
involved some significant events.


Mathematics

*
Adam Adamandy Kochański Adam Adamandy Kochański (5 August 1631 – 17 May 1700) was a Polish mathematician, physicist, clock-maker, pedagogue and librarian. He was the Court Mathematician of John III Sobieski. Kochański was born in Dobrzyń nad Wisłą. He began his ...
publishes an approximation for
squaring the circle Squaring the circle is a problem in geometry first proposed in Greek mathematics. It is the challenge of constructing a square with the area of a circle by using only a finite number of steps with a compass and straightedge. The difficulty ...
.


Physiology and medicine

* Charles Allen publishes the first book in
English English usually refers to: * English language * English people English may also refer to: Peoples, culture, and language * ''English'', an adjective for something of, from, or related to England ** English national ide ...
on
dentistry Dentistry, also known as dental medicine and oral medicine, is the branch of medicine focused on the teeth, gums, and mouth. It consists of the study, diagnosis, prevention, management, and treatment of diseases, disorders, and conditions o ...
,
The Operator for the Teeth
'. *
Govert Bidloo Govert Bidloo or Govard Bidloo (12 March 1649 – 30 March 1713) was a Dutch Golden Age physician, anatomist, poet and playwright. He was the personal physician of William III of Orange-Nassau, Dutch stadholder and King of England, Scotland an ...
publishes an atlas of
human anatomy The human body is the structure of a human being. It is composed of many different types of cells that together create tissues and subsequently organ systems. They ensure homeostasis and the viability of the human body. It comprises a he ...
, ''Ontleding des menschelyken lichaams'', with plates by Gerard de Lairesse.


Technology

* Menno van Coehoorn publishes his principal treatise on
fortification A fortification is a military construction or building designed for the defense of territories in warfare, and is also used to establish rule in a region during peacetime. The term is derived from Latin ''fortis'' ("strong") and ''facere'' ...
, ''Nieuwe Vestingbouw op een natte of lage horisont'', in
Leeuwarden Leeuwarden (; fy, Ljouwert, longname=yes /; Town Frisian: ''Liwwadden''; Leeuwarder dialect: ''Leewarden'') is a city and municipality in Friesland, Netherlands, with a population of 123,107 (2019). It is the provincial capital and seat of the ...
.


Births

* August 18 –
Brook Taylor Brook Taylor (18 August 1685 – 29 December 1731) was an English mathematician best known for creating Taylor's theorem and the Taylor series, which are important for their use in mathematical analysis. Life and work Brook Taylor w ...
,
English English usually refers to: * English language * English people English may also refer to: Peoples, culture, and language * ''English'', an adjective for something of, from, or related to England ** English national ide ...
mathematician A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. Mathematicians are concerned with numbers, data, quantity, structure, space, models, and change. History On ...
(died
1731 Events January–March * January 8 – An avalanche from the Skafjell mountain causes a massive wave in the Storfjorden fjord in Norway that sinks all boats that happen to be in the water at the time and kills people on both sho ...
) * November 17 –
Pierre Gaultier de Varennes et de la Vérendrye Pierre is a masculine given name. It is a French form of the name Peter. Pierre originally meant "rock" or "stone" in French (derived from the Greek word πέτρος (''petros'') meaning "stone, rock", via Latin "petra"). It is a translation ...
,
French Canadian French Canadians (referred to as Canadiens mainly before the twentieth century; french: Canadiens français, ; feminine form: , ), or Franco-Canadians (french: Franco-Canadiens), refers to either an ethnic group who trace their ancestry to Fren ...
explorer (died
1749 Events January–March * January 3 ** Benning Wentworth issues the first of the New Hampshire Grants, leading to the establishment of Vermont. ** The first issue of ''Berlingske'', Denmark's oldest continually operating newspaper, ...
)


Deaths

* February 2 –
Pierre Bourdelot Pierre Michon Bourdelot (2 February 1610 in Sens – 9 February 1685) was a French physician, anatomist, libertine and freethinker. Life Bourdelot studied at the Sorbonne (1629) and travelled in 1634 to Rome in the company of count François de ...
, French physician, anatomist, freethinker, abbé and libertine (born
1610 Some have suggested that 1610 may mark the beginning of the Anthropocene, or the 'Age of Man', marking a fundamental change in the relationship between humans and the Earth system, but earlier starting dates (ca. 1000 C.E.) have received broa ...
) * November 23 – Bernard de Gomme, military engineer in
England England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe b ...
(born
1620 Events January–June * February 4 – Prince Bethlen Gabor signs a peace treaty with Ferdinand II, Holy Roman Emperor. * May 17 – The first merry-go-round is seen at a fair (Philippapolis, Turkey). * June 3 – The ...
) * December 12 – John Pell, English
mathematician A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. Mathematicians are concerned with numbers, data, quantity, structure, space, models, and change. History On ...
(born
1610 Some have suggested that 1610 may mark the beginning of the Anthropocene, or the 'Age of Man', marking a fundamental change in the relationship between humans and the Earth system, but earlier starting dates (ca. 1000 C.E.) have received broa ...
)


References

{{reflist 17th century in science 1680s in science