Apparently, this user prefers to keep an air of mystery about them.
6 Why does the spiral of a positron have a larger radius than that of an electron in this picture in a bubble chamber? Jan 30 '14
6 Bouncing ball time problem Jun 4 '14
5 Is the $N$ factorial in the Partition function for $N$ indistinguishable particle an approximation? Feb 18 '14
5 How to treat differentials and infinitesimals? Jan 9 '14
4 Dropping a weight onto a spring scale Apr 27 '15
4 Can frequency be equal to 0? Feb 11 '14