History of Science and Mathematics
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xxavier's user avatar
xxavier's user avatar
xxavier
  • Member for 6 years, 1 month
  • Last seen this week
  • Madrid, España
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Retired. Flying a light plane and an autogyro.

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All Questions Answers
Score Newest
answer
19
Examples of when the professional scientists or mathematicians were wrong, but the nonprofessionals were right
Jan 19, 2019
question
9
How did Eratosthenes know the distance between Aswan and Alexandria?
Mar 28, 2020
answer
7
What does "in-4o" mean in this French collection from 1768?
Nov 26, 2021
answer
4
How was gravity explained in Ancient Greek and Roman times?
Nov 26, 2018
question
3
Textbooks used by Oliver Heaviside
Aug 1, 2019
answer
3
Why are there so many German terms in the field of radiative transfer?
Aug 7, 2020
answer
2
In which units did Sir Isaac Newton define force at that time as SI system didn't existed then?
Aug 23, 2021
answer
2
Who did the drawings in Hilbert's and Cohn-Vossen's "Anschauliche Geometrie"?
Mar 3, 2019
question
1
Level of maths of engineers in the Industrial Revolution
Dec 6, 2018
answer
0
How does Charles Babbage's Difference Engine solve his quest for automating Log Tables?
Sep 20, 2019
Top network posts
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55
Is lift in fact a kind of drag?
37
Why do planes fly at a high angle of attack when flying slow?
27
What is the smallest manned aircraft with four engines?
24
What is the largest taildragger in history?
24
Would it be feasible to build a jet fighter plane based on a wooden construction?

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