Highest scored questions
5,197 questions
100
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What famous theorems or results were proven by female mathematicians?
We know that there were/are many famous female mathematicians who influenced mathematics as we know it today, but their numbers are few compared to male mathematicians. While we have numerous famous ...
87
votes
18
answers
28k
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Examples of when the professional scientists or mathematicians were wrong, but the nonprofessionals were right
What are the most glaring examples — if any — of when the professional scientists or mathematicians were wrong, but the nonprofessionals were right?
81
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4
answers
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What evidence is there that Fermat had a proof for his Last Theorem?
Aside from the fact that Fermat was a genius, is it probable that he actually did have a proof?
Some specifics that I think would point one way or another:
Would the mathematics of his day allow him ...
76
votes
5
answers
17k
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Why was Évariste Galois killed?
It is well known that Évariste Galois died a young man. I have heard that he died in a duel. What was the duel about? More rather what is the back story behind his death and did he really write down ...
73
votes
1
answer
10k
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What's the famous story about a mathematician who gave a talk without saying a word?
Years ago, I read a story about a mathematician who found a numerical counterexample to some conjecture long believed to be true. He gave a talk during which he didn't utter a single word but simply ...
62
votes
3
answers
3k
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What is Ptolemy holding in this picture?
What is the name of the device Ptolemy is holding in the following picture?
[Image Source: Wikipedia]
61
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3
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Why are $X$ and $Y$ commonly used as mathematical placeholders?
I realize that $X$ and $Y$ are relatively popular terms when wanting to use a placeholder for an unknown English or math term. What is the origin of this term, and why was it $X$ and $Y$; why not the ...
60
votes
2
answers
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Timeline of measurements of the electron's charge
Where can I find a paper or reference that describes the timeline of measurements of the magnitude of the electron's electric charge.
For context, Millikan's oil drop experiment in 1908 determined the ...
58
votes
3
answers
8k
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Which came first, the natural logarithm or the base of the natural logarithm?
The natural logarithm function ($\ln x$) and the base of the natural logarithm function ($e$) are both extremely useful. They're also both closely related: $\ln (e^x)=x$, and $e^{\ln x}=x$. But which ...
53
votes
5
answers
7k
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Was Occam’s razor ever wrong?
In brief, I am looking for an example where Occam’s razor favoured a theory A over another theory B, but theory B turned out to be a better description of reality later. But let me formulate some ...
52
votes
3
answers
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Why is price on the vertical axis and quantity on the horizontal axis?
In most of science, it is typical to have the independent variable on the horizontal axis and the dependent variable on the vertical axis.
But in economics, this is often (traditionally?) flipped ...
52
votes
2
answers
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Did Gauss find the formula for $1+2+3+\ldots+(n-2)+(n-1)+n$ in elementary school?
I heard Gauss's primary school teacher gave some busy-work to his class: to add all the numbers between 1 and 100 up. Gauss immediately wrote 5050. His teacher was shocked, so she told him to add up ...
51
votes
6
answers
10k
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How did German become the language of science?
Recently, I read an interesting article about how English replaced German as the language in which scientists communicate. But how did German become the leading language in the first place? In the ...
51
votes
1
answer
12k
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Why did algebraic geometry need Alexander Grothendieck?
Grothendieck is arguably the most brilliant mathematician of the 20th century, with his influence felt the most in algebraic geometry, which he transformed. Some time ago the story used to be told was ...
50
votes
5
answers
10k
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Writing Mathematical Symbols in 20th century
As I was reading some papers written by Schrödinger and Heisenberg back in 1920s, I noticed that the symbols they use such as the integral or summation sign or calligraphic letters are as if printed ...