Diff for "SecretNumbers"

Differences between revisions 6 and 7

The Secret Lives of Numbers

p042 Chapter 3 - A Town Called Alex
p046 Pandrosion 4th century female mathematician in Alexandria
p047 Doubling the cube impossible with straightedge and compass
p047 Difference between theorem and proof, earliest recorded case of mansplaining
p048 Hipparchia
p049 Theon to daughter Hipparchia: "Reserve your right to think. For even to think wrongly is better than not to think at all.

p057 Chapter 4 - The Dawn of Time
p060 Mayan Long Count Calendar ended 2012 December 21, some believed this predicted the end of the world. The Maya actually believed this was one of many rebirth cycles, nothing changed because of the measurement itse3lf
p060 Yazılıkaya religious sanctuary for hundreds of deities

p072 Chapter 5 - On the Origin(s) of Zero
p075 Jain math of large numbers, shirsa prahelika: 756e11 x (8.4e6)²⁸ (approx 5.7324601e208 )

p103 Chapter 7 - The Impossible Dream
p109 Republic of Letters 17th and 18th centuries, Europe/America
p111 Yvonne Choquet-Bruhat mathematical physicist elected to French Academy of Sciences in 1979 (age 55), died 2025 age 101
p111 Elisabeth of Bohemia
p115 Descartes Cartesian Coordinates
p115 Apollonius's problem
- given 3 circles, find eight more (book says one but diagram on page 116 shows 8) that are tangent to all three
p117 three algebraic equations, though third equation second term should be (y-y₃)²
p117 Descartes dedicated his 1644 Principles of Philosophy to Elisabeth
p117 Elisabeth corresponded with Anna Maria von Schurman Marie de Gournay and Katherine Jones / Lady Ranelagh

p118 Chapter 8 - The (First) Calculus Pioneers
p133 Leibnitz corresponded with mocking, indifferent Newton
- Newton developed calculus (fluxions 1666) years before Leibnitz independently did so (1675), but Leibnitz notation more useful and replaced fluxions. Britain adopted Leibniz notation in the 1820s, after decades falling behind continental mathematics
p138 in his 2009 book A Passage to Infinity George Gheverghese Joseph argues both Leibniz and Newton influenced by Kerala mathematicians

p139 Chapter 9 - Newtonianism for Ladies
p144 Descartes: Earth round. Newton, Earth Oblate Spheroid due to rotational centrifugal acceleration
p146 French meridian arc missions to Torneå in Northern Finland
p146 and Ecuador
- severe weather and deaths, three year project unfinished after nine years
p147 assistants and helpers abandoned, some spent 15 years trying to pay their way home
p149 Émilie du Châtelet conservation of energy 1740
p151 Laura Maria Caterina Bassi Veratti world's first female professor in 1732 at the University of Bologna

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- .p146 french missions to [[ https://en.wikipedia.org/wiki/Tornio | Torneå ]] in Northern Finland
 .p146 and Quito [[  |  ]]
 .p147 [[  |  ]]
 .p149 [[  |  ]]
 .p151 [[  |  ]]
+ .p146 French [[  https://en.wikipedia.org/wiki/Meridian_arc| meridian arc ]] missions to [[ https://en.wikipedia.org/wiki/Tornio | Torneå ]] in Northern Finland
 .p146 and  [[ https://en.wikipedia.org/wiki/French_Geodesic_Mission_to_the_Equator | Ecuador ]]
  . severe weather and deaths, three year project unfinished after nine years
 .p147 assistants and helpers abandoned, some spent 15 years trying to pay their way home
 .p149 [[ https://en.wikipedia.org/wiki/%C3%89milie_du_Ch%C3%A2telet | Émilie du Châtelet ]] [[ https://en.wikipedia.org/wiki/Conservation_of_energy | conservation of energy ]] 1740
 .p151 [[ https://en.wikipedia.org/wiki/Laura_Bassi | Laura Maria Caterina Bassi Veratti ]] world's first female professor in 1732 at the  [[ https://en.wikipedia.org/wiki/University_of_Bologna | University of Bologna ]]