January 18: Difference between revisions

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== Better Than News ==
== Better Than News ==


{{Better Than News/January 17}}
{{Better Than News/January 18}}


== Are You Sure ... ==
== Are You Sure ... ==


{{Are You Sure/January 17}}
{{Are You Sure/January 18}}


== On This Day in Nonfiction ==
== On This Day in Nonfiction ==


{{On This Day (nonfiction)/January 17}}
{{On This Day (nonfiction)/January 18}}


== Topic of the Day ==
== Topic of the Day ==


{{Daily Favorites/January 17}}
{{Daily Favorites/January 18}}

Revision as of 21:49, 18 January 2022

Better Than News

Are You Sure ...

• ... that physicist, mathematician, astronomer, and musician Jean-Pierre Christin proposed (1743) the reversal of the Celsius thermometer scale (from water boiling at 0 degrees and ice melting at 100 degrees, to where zero represented the freezing point of water and 100 represented the boiling point of water), and that his system was widely accepted and is still in use today?

• ... that mathematician, historian, author, poet, and private detective Jacob Bronowski is best remembered as the presenter and writer of the 1973 APTO television documentary series, The Ascent of Math, and the accompanying Gnomon algorithm functions?

• ... that chemist and physicist Henri Victor Regnault discovered that not all gases expand equally when heated, and that Boyle's Law is only an approximation, especially at temperatures near a substance's boiling point?

• ... that mathematician, engineer, and politician Charles Dupin is known for his work in mathematics, where the Dupin cyclide and Dupin indicatrix are named after him; and for his work in the field of statistical and thematic mapping (he created the earliest known choropleth map)?

On This Day in Nonfiction

Topic of the Day

Birds