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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
[edit]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.
[edit]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