# All Questions

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### Naturally occurring elements in other planets and their natural satellites other than earth

Naturally occurring elements Is it possible to find natural elements in other planets and their natural satellites other than planet earth?
24 views

### What did George Boole contribute to order theory?

The Wikipedia page says for order theory says: As explained before, orders are ubiquitous in mathematics. However, earliest explicit mentionings of partial orders are probably to be found not before ...
• 299
689 views

### What is the full name of I. Bernard Cohen?

I've seen quite a few of the names I. Bernard Cohen in the history of science book. But I couldn't find what I. meant.
• 283
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### Why was Principia Proposition 43, Theorem 22 not published?

Why was Proposition 43, Theorem 22, of Newton's Principia not printed? Weinberg, To Explain the World (2015) describes this proposition: In an unpublished “Proposition 43” that did not make it into ...
• 5,151
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### What is Bertrand Russell citing Gilman for in "On the Notion of Order"?

In the first few pages of "On the Notion of Order", Bertrand Russell has the footnote: The following account of the genesis of order is virtually identical with that of Mr. B. I. Gilman, ...
• 299
2k views

### First to realize that seasons were reversed above and below the equator?

I assume this conclusion was hard to make empirically in the days of slow travel -- one could not as we can today fly from above the equator to below it and observe the difference in weather and even ...
• 829
1 vote
66 views

1k views

### Why was Alain Aspect discouraged from doing his now Nobel-winning work?

In an interview following Aspect's winning of the Nobel Prize in Physics, he claims that John Stuart Bell discouraged him from pursuing his now-famous 1982 experiment on quantum entanglement. The ...
• 221
71 views

### What did physics mean in 17th century?

In a latter to Huygens, Leibniz wrote Nam in applicatione Geometriae ad Physicam saepissime contingit, which is traslated by Blåsjö (p. 67) as For in the application of geometry to physics it happens ...
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1 vote