The popularization tag has no usage guidance.

**142**

votes

**30**answers

53k views

### Real-world applications of mathematics, by arxiv subject area?

What are the most important applications outside of mathematics of each of the major fields of mathematics? For concreteness, let's divide up mathematics according to arxiv mathematics categories, ...

**127**

votes

**44**answers

76k views

### Magic trick based on deep mathematics

I am interested in magic tricks whose explanation requires deep mathematics. The trick should be one that would actually appeal to a layman. An example is the following: the magician asks Alice to ...

**85**

votes

**19**answers

8k views

### Occurrences of (co)homology in other disciplines and/or nature

I am curious if the setup for (co)homology theory appears outside the realm of pure mathematics. The idea of a family of groups linked by a series of arrows such that the composition of consecutive ...

**83**

votes

**29**answers

8k views

### Examples of theorems misapplied to non-mathematical contexts

For something I'm writing -- I'm interested in examples of bad arguments which involve the application of mathematical theorems in non-mathematical contexts. E.G. folks who make theological arguments ...

**64**

votes

**61**answers

28k views

### Favorite popular math book [closed]

Christmas is almost here, so imagine you want to buy a good popular math book for your aunt (or whoever you want). Which book would you buy or recommend?
It would be nice if you could answer in the ...

**62**

votes

**14**answers

6k views

### How to write popular mathematics well?

Recently, some classmates and I were lamenting the fact that our classmates in other disciplines had almost no conception of what we did, despite the large mathematics population at Waterloo. Instead ...

**23**

votes

**3**answers

1k views

### Intuitive pictures in characteristic p

This is a tough one, but does anyone know of any images that recall characteristic p geometry (over algebraically closed fields) in some sense? It is not enough if it is some picture that can be also ...

**19**

votes

**4**answers

1k views

### Mathematics TV clips

I have just come out of a talk on presenting science to the public via mainstream media. I became jealous of what other sciences, such as astrophysics, have achieved in these media.
This is ...

**11**

votes

**1**answer

516 views

### A fun game related to knot theory

I recently learned the following rather fun game: a group of people is standing up roughly in circle, facing each other. Then participants randomly join hands, in such a way that nobody holds its own ...

**6**

votes

**2**answers

2k views

### List of Charlatans in Mathematics [closed]

Recently, while looking for articles and documents to learn about the Riemann Hyopthesis, I came across a strange funny document of a chinese "mathematician" called Jiang Chun-Xuang who claimed to ...

**2**

votes

**2**answers

665 views

### Popular books written by great mathematicians [closed]

I read:
H. Poincare. Value of science
F. Klein. Development of Mathematics in the 19th Century
J.E. Littlewood. A Mathematicians Miscellany
G.H. Hardy. A Mathematician’s Apology
R. Courant, ...

**2**

votes

**0**answers

1k views

### Good math speakers [closed]

Physics has had great speakers and popularizers (Carl Sagan would be the first to come to my mind). Mathematics, on the other hand, seems to be short on this. At least that is my impression... Or am I ...

**1**

vote

**0**answers

530 views

### Popular level article on monster group

People who are not mathematicians (or high school students who are in maths) often become interested in what is the Monster Group - mainly because of unusual name. Since it's not my field, I'm able ...

**-7**

votes

**0**answers

29 views

### financial math maximum difficulty [closed]

Currently , your company has its annual fixed costs of R $ 500,000.00 ; costs and variable expenses are R $ 6.20 per unit (net purchase price of taxes ) and the unit sales price is R $ 7.40 .
The ...