User AChem

30 votes

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What does it mean by "d-ism of Leibniz" and "dotage of Newton" in simple English?

answered May 29, 2019 at 14:30

22 votes

What type of abrasive grit was used to grind lenses for telescopes?

answered Jan 11 at 2:46

17 votes

What is the origin of the rubber sheet analogy?

answered Mar 19 at 21:29

10 votes

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What was the full name of I. Bernard Cohen?

answered Nov 28, 2022 at 4:09

9 votes

How did Stern or Gerlach, of Stern-Gerlach experiment, create individual silver atoms? How were they accelerated?

answered Aug 31, 2021 at 4:07

7 votes

What does "organic" mean in old texts when describing plane curves and their construction?

answered Jun 26, 2021 at 20:10

6 votes

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Aziz of Complex Analysis

answered Jul 21, 2021 at 19:58

6 votes

What was Richard Courant's saying about mathematical research apart from applications?

answered Nov 7, 2021 at 4:10

6 votes

What rule or rules did Madelung discover, exactly?

answered Dec 8, 2021 at 5:08

6 votes

Why does Riazuddin not have a last name?

answered Sep 19, 2020 at 20:25

6 votes

How did Meyer know atomic volumes to plot them just before Mendeleev's periodic table?

answered May 27, 2021 at 4:55

5 votes

Is there an etymological dictionary of terms in physics?

answered Jun 11, 2020 at 23:44

5 votes

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Why are there so many German terms in the field of radiative transfer?

answered Aug 7, 2020 at 7:52

5 votes

What is the origin of the $\hbar$ symbol?

answered Sep 14, 2019 at 1:47

4 votes

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Who changed $i$ to $j$ in electronics?

answered May 27, 2019 at 16:41

4 votes

Where did the names positive and negative for the early voltaic piles come from?

answered Apr 19, 2020 at 4:06

4 votes

Etymology of 'sine'. The Arabic 'jayb' and 'jiba' derive from the Sanskrit 'jivā' ... but why not from the more common Sanskrit 'jyā'?

answered May 27, 2021 at 15:28

4 votes

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When did stoichiometry begin to be taught in U.S. high schools?

answered Apr 28, 2019 at 23:49

4 votes

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Were oxocarbons other than carbon monoxide/dioxide always classified as organic compounds?

answered Dec 29, 2022 at 0:40

4 votes

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Looking for reference for quote

answered Jan 20, 2022 at 3:53

4 votes

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What is the origin of Arabic numerals

answered May 5, 2019 at 2:45

3 votes

Historical mentions (as if fact) that Sun never rises or sets

answered Dec 26, 2019 at 5:28

3 votes

Why did al-Khwarizmi use al jebr, ‘the reuniting of broken parts’ to signify algebra?

answered Mar 16, 2021 at 6:20

3 votes

Early uses of the word "operator" in mathematics

answered Mar 21, 2022 at 20:27

3 votes

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Kite experiment

answered May 22, 2019 at 4:31

3 votes

Origin and use of the adjective "improper" in mathematics

answered Apr 9, 2019 at 13:11

3 votes

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When and how did usage of the term Centigrade give way to Celsius? Are/were they in fact numerically identical?

answered Feb 1, 2019 at 3:50

3 votes

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What experiments led to the sign of the electron's charge?

answered Feb 16, 2019 at 15:40

3 votes

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Where does the word root comes from?

answered Oct 8, 2020 at 13:33

3 votes

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How was charge to mass ratio measured via electrolysis in 19th century?

answered Jan 6, 2021 at 20:16

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58 Answers

What does it mean by "d-ism of Leibniz" and "dotage of Newton" in simple English?

What type of abrasive grit was used to grind lenses for telescopes?

What is the origin of the rubber sheet analogy?

What was the full name of I. Bernard Cohen?

How did Stern or Gerlach, of Stern-Gerlach experiment, create individual silver atoms? How were they accelerated?

What does "organic" mean in old texts when describing plane curves and their construction?

Aziz of Complex Analysis

What was Richard Courant's saying about mathematical research apart from applications?

What rule or rules did Madelung discover, exactly?

Why does Riazuddin not have a last name?

How did Meyer know atomic volumes to plot them just before Mendeleev's periodic table?

Is there an etymological dictionary of terms in physics?

Why are there so many German terms in the field of radiative transfer?

What is the origin of the $\hbar$ symbol?

Who changed $i$ to $j$ in electronics?

Where did the names positive and negative for the early voltaic piles come from?

Etymology of 'sine'. The Arabic 'jayb' and 'jiba' derive from the Sanskrit 'jivā' ... but why not from the more common Sanskrit 'jyā'?

When did stoichiometry begin to be taught in U.S. high schools?

Were oxocarbons other than carbon monoxide/dioxide always classified as organic compounds?

Looking for reference for quote

What is the origin of Arabic numerals

Historical mentions (as if fact) that Sun never rises or sets

Why did al-Khwarizmi use al jebr, ‘the reuniting of broken parts’ to signify algebra?

Early uses of the word "operator" in mathematics

Kite experiment

Origin and use of the adjective "improper" in mathematics

When and how did usage of the term Centigrade give way to Celsius? Are/were they in fact numerically identical?

What experiments led to the sign of the electron's charge?

Where does the word root comes from?

How was charge to mass ratio measured via electrolysis in 19th century?