Math links

String theory good

Quantum physics good one

https://community.emc.com/people/ble/blog/tags/leptons

 

How small is an atom

http://berto-meister.blogspot.com/2012/04/just-how-small-is-atom.html

 https://plus.google.com/116921996994679423993/posts

Probabilities -pointlike events

Excellent particle physics and photos

Excellent layman explanation for planck's constant and chandrasekar's limit