User:QuarterNotes/sandbox

What is this strange new land? Whence it came is a mystery to me, though I may find its origin if I should search hard enough.

How to link to subsections: an experiment
Of course, it is possible to do this: “Euler characteristic#Examples”

But can you do this? “Euler characteristic#Soccer_ball”

Things in braces can be put in brackets. Also, characters such as ½ can be in the title of the linked article. Furthermore, ½, a character, differs from $1⁄2$. The latter has to be made manually.
The conventional definition of the spin quantum number, $s$, is $s = n⁄2$, where $n$ can be any non-negative integer. Hence the allowed values of $s$ are 0, $1⁄2$, 1, $3⁄2$, 2, etc. The value of $s$ for an elementary particle