1678 in science

In 1678 , various scientific and technological events took place, some of which are presented below.

Events

Robert Hooke revealed the wording of the “ law of elasticity ” he discovered. In 1676, he encrypted the wording (for affirming scientific priority) in the form of a Latin anagram : “ ceiiinosssttuv ”, which in fact meant: “ ut tensio, sic vis ” ( what kind of force, such a stretch ) ^[1] ^[2] .

Edmund Halley published the world's first stellar catalog for the southern hemisphere , covering 341 stars ^[3] .
Christian Huygens in his “ Treatise on Light ” formulated the Huygens – Fresnel principle, most important for wave optics, ^[4] .

See also: Category: Born in 1678

April 14 - Abraham Darby , English metallurgist and industrialist. For the first time in the history of blast furnace production , coal coke was used as fuel, which was a significant step forward; today coke is the main fuel in all blast furnaces in the world (died in 1717 ) ^[5] .
July 16 - Jacob German , a Swiss mathematician, member of four academies of sciences, who opened on November 2 (13), 1725, the very first meeting of the newly created Petersburg Academy of Sciences (he died in 1733 ) ^[6] .
October 27 - Pierre Remon de Montmore , French mathematician (died in 1719 ).
November 26 - Jean-Jacques de Meran , French geophysicist, astronomer and chronobiologist who discovered circadian rhythms of plants and showed the cosmic origin of the auroras (died in 1771 ).
(?) - , "father of modern dentistry " (died in 1761 ).

See also: Category: Deaths in 1678

April 12 - Thomas Stanley , English scientist and poet, author of the first work on the history of philosophy in English ( The History of Philosophy , in four volumes) (born in 1625 ) ^[7] .