Apparently, this user prefers to keep an air of mystery about them.
17 What is the uncertainty principle? May 1 '15
13 Why do Maxwell's equations contain each of a scalar, vector, pseudovector and pseudoscalar equation? Dec 25 '12
10 When can I use $\wedge$ instead of curl? Aug 29 '14
8 Difference between slanted indices on a tensor Apr 7 '13