Template:Are You Sure/September 21: Difference between revisions

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[[File:Components of a Nomogram.png|thumb|175px|link=Nomogram (nonfiction)|A '''nomogram''' (from Greek νόμος ''nomos'', "law" and γραμμή ''grammē'', "line"), also called a '''nomograph''', '''alignment chart''' or '''abaque''', is a graphical calculating device, a two-dimensional diagram designed to allow the approximate graphical computation of a [[Function (nonfiction)|mathematical function]]. The field of '''nomography''' was invented in 1884 by the French engineer [[Philbert Maurice d’Ocagne (nonfiction)|Philbert Maurice d’Ocagne]] (1862-1938) and used extensively for many years to provide engineers with fast graphical calculations of complicated formulas to a practical precision.]]
[[File:Ehrenfest_Lorentz_Bohr_Kamerlingh_Onnes.jpg|thumb|175px|link=Heike Kamerlingh Onnes (nonfiction)|Cryogenics Laboratory in Leiden, 1919. Left to right: [[Paul Ehrenfest (nonfiction)|Paul Ehrenfest]], [[Hendrik Lorentz (nonfiction)|Hendrik Lorentz]], [[Niels Bohr (nonfiction)|Niels Bohr]], and [[Heike Kamerlingh Onnes (nonfiction)|Heike Kamerlingh Onnes]] (discoverer of superconductivity).]]


• ... that mathematician [[Shoshichi Kobayashi (nonfiction)|Shoshichi Kobayashi]] studied Riemannian and complex manifolds, transformation groups of geometric structures, and Lie algebras?
• ... that physicist and chemist [[Heike Kamerlingh Onnes (nonfiction)|Heike Kamerlingh Onnes]] was awarded the 1913 Nobel Prize in Physics for "his investigations on the properties of matter at low temperatures which led, ''inter alia'', to the production of liquid helium"?
 
• ... that in 1660, [[Vincenzo Viviani (nonfiction)|Vincenzo Viviani]] and Giovanni Alfonso Borelli conducted an experiment to determine the speed of sound. Timing the difference between the seeing the flash and hearing the sound of a cannon shot at a distance, they calculated a value of 350 meters per second (m/s), considerably better than the previous value of 478 m/s obtained by Pierre Gassendi?


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Latest revision as of 02:40, 22 September 2020

Cryogenics Laboratory in Leiden, 1919. Left to right: Paul Ehrenfest, Hendrik Lorentz, Niels Bohr, and Heike Kamerlingh Onnes (discoverer of superconductivity).

• ... that physicist and chemist Heike Kamerlingh Onnes was awarded the 1913 Nobel Prize in Physics for "his investigations on the properties of matter at low temperatures which led, inter alia, to the production of liquid helium"?

• ... that in 1660, Vincenzo Viviani and Giovanni Alfonso Borelli conducted an experiment to determine the speed of sound. Timing the difference between the seeing the flash and hearing the sound of a cannon shot at a distance, they calculated a value of 350 meters per second (m/s), considerably better than the previous value of 478 m/s obtained by Pierre Gassendi?


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