3.20.2 Greatest hits from previous weeks

3.20.2.1 Superscript outside math mode
3.20.2.2 Nice scientific pictures show off

Greatest hits from previous weeks:

3.20.2.1 Superscript outside math mode

https://tex.stackexchange.com/questions/47324/superscript-outside-math-mode

What is the easiest way to superscript text outside of math mode? 
For example, let's say I want to write the $n^{th}$ element, but without the math mode's automatic italicization of the th.  And what  ...
 

- asked by jamaicanworm (244 votes), answered by Werner (347 votes)

3.20.2.2 Nice scientific pictures show off

https://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 (406 votes), answered by Charles Staats (255 votes)