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Rok 2011 Rokiem Jana Heweliusza

Wąsowicz T. J.

Postępy Fizyki

2011

T. 62, z. 4

186-187

Sejm Rzeczypospolitej Polskiej wraz z Radą Miasta Gdańska ustanowił rok 2011 "Rokiem Jana Heweliusza". Poprzez organizację szeregu naukowych i kulturalnych wydarzeń skierowanych do różnych grup społecznych Miasto Gdańsk świętuje czterechsetną rocznicę urodzin Wielkiego Gdańszczanina, którego odkrycia przyczyniły się do rozwoju europejskiej nauki.

The Sejm of the Republic of Poland followed by the Gdańsk City CounciI declared the year 2011 the "Year of Johonnes Hevelius". Through the cycle of scientific and cultural events addressed to various social groups the City of Gdańsk celebrate the four-hundredth anniversary of the birthday of the Great Citizen of Gdańsk, whose discoveries have contributed to the development of European science.

Nieznane mowy Jana Śniadeckiego z lat 1784-1785

Wiąsław W.

Kwartalnik Historii Nauki i Techniki

2005

R. 50, nr 3/4

149--182

The paper contains three lectures presented by Jan Śniadecki during scientific sessions held at the University of Cracow, then called the Main School of the Kingdom of Poland. Lecture One (1784): On the necessity of higher mathematics in understanding and perfecting physics. Lecture Two (read on 13 May 1785): On applications of mathematical sciences in the advancement of physics. Lecture Three (only an outline): On applying mathematics in physics. In these interesting lectures, Śniadecki pointed to the role of probability and statistics in conducting experiments, as well as the role played by logic where experiments were not necessary and where the results of one series of experiments needed to be verified by another. He mentioned astronomy, hydrodynamics and mechanics as those scientific domains in which mathematical analysis (calculus) was necessary. Śniadecki also stressed the essential role of differential equations in the physical sciences. It has been known from documents in the Archives of Jagiellonian University in Cracow that Śniadecki did lecture on the role of mathematics in physics in the years 1784-1785, but his manuscripts have so far been thought to be lost. In fact, six volumes of hitherto unknown manuscripts by Jan Śniadecki were kept in the years 1842-1986 in Russian, and then Soviet archives. They were returned to Vilnius (Wilno) in the late 1980s, and are now kept at the Historical Archives of Vilnius.