1.11.2 Greatest hits from previous weeks

Greatest hits from previous weeks:

1.11.2.1 What are the available "documentclass" types and their uses?

http://tex.stackexchange.com/questions/782/what-are-the-available-documentclass-types-and-their-uses

Some of the available classes of documents in LaTeX are well known and widely used, such as the article and beamer classes, while others are not so well known, such as the standalone class. 
I found  ...
 

- asked by Vivi (212 votes), answered by Stefan Kottwitz (89 votes)

1.11.2.2 Nice scientific pictures show off

http://tex.stackexchange.com/questions/158668/nice-scientific-pictures-show-off

Task 
Show off your best scientific illustration ! 
The main purpose of this question is to share beautiful scientific pictures, preferably with an educational aspect. 
Content 
Your post must  ...
 

- asked by Thomas (342 votes), answered by Charles Staats (223 votes)