Are You Sure? (September 21): Difference between revisions
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• ... 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 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, 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. The currently accepted value is 331.29 m/s at 0 °C or 340.29 m/s at sea level. It has also been claimed that in 1661 he experimented with the rotation of pendulums, 190 years before the famous demonstration by Léon Foucault. | |||
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Revision as of 08:06, 21 September 2020
GNOMON CHRONICLES
Are You Sure ... (September 21, 2020)
• ... 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, 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. The currently accepted value is 331.29 m/s at 0 °C or 340.29 m/s at sea level. It has also been claimed that in 1661 he experimented with the rotation of pendulums, 190 years before the famous demonstration by Léon Foucault.