Apparently, this user prefers to keep an air of mystery about them.
12 Can one derive Galilean transformations from the harmonic oscillator equations of motion and the relativity principle? Sep 23 '14
12 Do particles with exactly zero energy exist? Jul 14 '15
3 Energy usage in different reference frames Sep 24 '14
3 A pedagogical exposition of the hadron physics? Jul 8 '15