The year 1727 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.

Astronomy

* Maharaja

Jai Singh II Jai Singh II (3 November 1681 – 21 September 1743) popularly known as Sawai Jai Singh was the 29th Kachwaha Rajput ruler of the Kingdom of Amber, who later founded the fortified city of Jaipur and made it his capital. He was born at Amber, th ...

begins construction of the

Jantar Mantar A Jantar Mantar ( Hindustani pronunciation: ͡ʒən̪t̪ər mən̪t̪ər is an assembly of stone-built astronomical instruments, designed to be used with the naked eye. There were five Jantar Mantars in India, all of them built at the com ...

observatory An observatory is a location used for observing terrestrial, marine, or celestial events. Astronomy, climatology/meteorology, geophysical, oceanography and volcanology are examples of disciplines for which observatories have been constructed. His ...

Jaipur Jaipur (; Hindi Language, Hindi: ''Jayapura''), formerly Jeypore, is the List of state and union territory capitals in India, capital and largest city of the Indian States and union territories of India, state of Rajasthan. , the city had a pop ...

Biology

* Rev.

Stephen Hales Stephen Hales (17 September 16774 January 1761) was an English clergyman who made major contributions to a range of scientific fields including botany, pneumatic chemistry and physiology. He was the first person to measure blood pressure. He al ...

publishes ''Vegetable Staticks'', containing an account of key experiments in

plant physiology Plant physiology is a subdiscipline of botany concerned with the functioning, or physiology, of plants. Closely related fields include plant morphology (structure of plants), plant ecology (interactions with the environment), phytochemistry (bi ...

; and makes the first measurement of

blood pressure Blood pressure (BP) is the pressure of circulating blood against the walls of blood vessels. Most of this pressure results from the heart pumping blood through the circulatory system. When used without qualification, the term "blood pressure" r ...

. Forssmann, Werner. Nobel Lecture in Physiology or Medicine, 1956.

Mathematics

* This year's

French Academy of Sciences The French Academy of Sciences (French: ''Académie des sciences'') is a learned society, founded in 1666 by Louis XIV of France, Louis XIV at the suggestion of Jean-Baptiste Colbert, to encourage and protect the spirit of French Scientific me ...

prize is based on a problem on the masting of ships: to calculate the number of masts to use and where in the ship to locate them.

Pierre Bouguer Pierre Bouguer () (16 February 1698, Croisic – 15 August 1758, Paris) was a French mathematician, geophysicist, geodesist, and astronomer. He is also known as "the father of naval architecture". Career Bouguer's father, Jean Bouguer, one ...

gains the award for his paper ''On the masting of ships''; and two other prizes, one for his dissertation ''On the best method of observing the altitude of stars at sea'' and the other for his paper ''On the best method of observing the variation of the compass at sea''. The 19-year-old

Euler Leonhard Euler ( , ; 15 April 170718 September 1783) was a Swiss mathematician, physicist, astronomer, geographer, logician and engineer who founded the studies of graph theory and topology and made pioneering and influential discoveries in ma ...

enters for the prize with an essay written in 1726 and published in 1728.

Optics

Eyeglasses Glasses, also known as eyeglasses or spectacles, are vision eyewear, with lenses (clear or tinted) mounted in a frame that holds them in front of a person's eyes, typically utilizing a bridge over the nose and hinged arms (known as temples or ...

, with side pieces that rest on the ears, are invented by Englishman Edward Scarlett.

Pharmacology

* Elizabeth Gooking Greenleaf opens an

apothecary ''Apothecary'' () is a mostly archaic term for a medical professional who formulates and dispenses '' materia medica'' (medicine) to physicians, surgeons, and patients. The modern chemist (British English) or pharmacist (British and North Ameri ...

shop in

Boston Boston (), officially the City of Boston, is the state capital and most populous city of the Commonwealth of Massachusetts, as well as the cultural and financial center of the New England region of the United States. It is the 24th- mo ...

, Massachusetts, the first woman to so practice in America.

Other events

* The

kilt A kilt ( gd, fèileadh ; Irish: ''féileadh'') is a garment resembling a wrap-around knee-length skirt, made of twill woven worsted wool with heavy pleats at the sides and back and traditionally a tartan pattern. Originating in the Scottish Hi ...

is invented by Thomas Rawlinson, the English owner of an ironworks, who designs it as a cheap uniform for better maneuverability around machinery. Ian MacDonnel of

Glengarry The Glengarry bonnet is a traditional Scots cap made of thick-milled woollen material, decorated with a toorie on top, frequently a rosette cockade on the left side, and ribbons hanging behind. It is normally worn as part of Scottish military ...

adopts the garment along with his clansmen, and the kilt is worn throughout the Highlands by 1745.

Births

* March 19 –

Ferdinand Berthoud Ferdinand Berthoud (born 18 March 1727, in Plancemont-sur-Couvet, Principality of Neuchâtel; died 20 June 1807, in Groslay, Val d'Oise), was a scientist and watchmaker. He became master watchmaker in Paris in 1753. Berthoud, who held the posi ...

, Swiss clockmaker and maker of scientific instruments (died 1807) * April 7 –

Michel Adanson Michel Adanson (7 April 17273 August 1806) was an 18th-century French botanist and naturalist who traveled to Senegal to study flora and fauna. He proposed a "natural system" of taxonomy distinct from the binomial system forwarded by Linnaeus. ...

, French botanist (died

1806 Events January–March * January 1 ** The French Republican Calendar is abolished. ** The Kingdom of Bavaria is established by Napoleon. * January 5 – The body of Horatio Nelson, 1st Viscount Nelson, lies in state in the Painted Hall ...

)

Deaths

* March 31 –

Isaac Newton Sir Isaac Newton (25 December 1642 – 20 March 1726/27) was an English mathematician, physicist, astronomer, alchemist, theologian, and author (described in his time as a "natural philosopher"), widely recognised as one of the grea ...

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 ...

physicist A physicist is a scientist who specializes in the field of physics, which encompasses the interactions of matter and energy at all length and time scales in the physical universe. Physicists generally are interested in the root or ultimate caus ...

and

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 1643) * March 22 – Johann Leonhard Rost,

German German(s) may refer to: * Germany (of or related to) **Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ger ...

astronomer An astronomer is a scientist in the field of astronomy who focuses their studies on a specific question or field outside the scope of Earth. They observe astronomical objects such as stars, planets, natural satellite, moons, comets and galaxy, g ...

(born

1688 Events January–March * January 2 – Fleeing from the Spanish Navy, French pirate Raveneau de Lussan and his 70 men arrive on the west coast of Nicaragua, sink their boats, and make a difficult 10 day march to the city of Oco ...

)

References

{{reflist 18th century in science 1720s in science