uhoh
  • Member for 5 years, 10 months
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  • Taipei, Earth
1 answers
4 votes
202 views
Did old Crookes Radiometers ever have a pair of terminals?
1 answers
1 votes
192 views
How did Gaussian and Eisenstein integers get their names?
1 answers
0 votes
53 views
What monograph on celestial mechanics did Jürgen Moser coauthor the 2nd and considerably expanded English language edition of with Carl Ludwig Siegel?
0 answers
6 votes
151 views
What exactly was Lagrange's "grave mistake" with respect to rotating bodies under hydrostatic equilibrium?
1 answers
3 votes
218 views
1 bookmarks
Where does "the grating equation" come from? Does it have a another name?
0 answers
1 votes
46 views
Did Newton ever use filtered or prism-dispersed colored light to view "Newton's rings" or other thin-film interference effects?
0 answers
1 votes
86 views
Where did Wm. Herschel plan to put their head? Peer over the edge of the famous 40-foot telescope or try to get less off-axis; closer to the center?
0 answers
3 votes
78 views
How was the first parabolic telescope mirror made, and how was it used, and for what kind of telescope was this work done?
0 answers
3 votes
86 views
Did a boat full of Louis XIV's Jesuits and some Siamese dignitaries plan on seeing a solar eclipse on May 17, 1687
1 answers
5 votes
91 views
Looking for references to an experiment on the evaporation rate of water in sunlight
3 answers
8 votes
807 views
5 bookmarks
How did Newton and Kepler (actually) do it?
2 answers
3 votes
511 views
Was "Kepler's third law" deduced from the Galilean moons, or from planetary motion?
2 answers
7 votes
538 views
1 bookmarks
Who first reported the Crab pulsar's pulsing but was dismissed by an astronomer?
1 answers
15 votes
3k views
3 bookmarks
Which mathematician traveled to and moved in with each collaborator?
0 answers
2 votes
151 views
1 bookmarks
Where can I find Lagrange’s original equilateral triangular solution for arbitrary masses?
1 answers
3 votes
135 views
1 bookmarks
Where exactly did George Brown publish the first paper about Turnstile antennas?
0 answers
6 votes
403 views
Was there an intentional purge of all audio recordings of Alan Turing?
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3 votes
97 views
How did Cassini measure the "Cassini state" of the Moon? What measurements were made; what did the data look like?
1 answers
2 votes
406 views
Is it known where Eratosthenes first heard of the "well of Syene"?
0 answers
1 votes
89 views
When did the term "order" come into use as the highest exponent in an expansion?
1 answers
9 votes
1k views
1 bookmarks
What's that on Euler's head? Does the head covering shown in Emanuel Handmann 1753 painting signify scholarship?
1 answers
6 votes
168 views
2 bookmarks
What calculation did Halley or anyone else do to estimate the effects of Jupiter and Saturn on Halley's comet's return in 1758/9?
1 answers
7 votes
226 views
1 bookmarks
When and how did usage of the term Centigrade give way to Celsius? Are/were they in fact numerically identical?
1 answers
2 votes
104 views
1 bookmarks
Did Cyrano de Bergerac's space ship have retro-rockets?
1 answers
2 votes
104 views
When was it first noticed, or demonstrated, that radioactive material became warm?
1 answers
3 votes
188 views
Tools of the trade: were early scientists and mathematicians really "writing with feathers using light from burning animal fat?"
1 answers
1 votes
78 views
First use of the term and principle of dynamic pressure — Daniel Bernoulli?
1 answers
1 votes
272 views
1 bookmarks
Did Aristotle suggest that different kinds of sound might travel at different speeds?
1 answers
2 votes
196 views
When was the speed of sound first "correctly" calculated?
1 answers
1 votes
166 views
How and when did the Titius-Bode rule first become known as a "law"?