Apparently, this user prefers to keep an air of mystery about them.
6 Light and parabola Oct 17 '11
4 Does the speed of sand flow in a hourglass depend on a height of a sand column above the hourglass neck? Oct 17 '11
2 What could be the distribution of an explosion energy of a mining-grade and seismic exploration explosives? Oct 31 '13
1 How much can a thin layer of hi-speed material within a low-speed volume block a wave due to total internal reflection? Feb 18 '14
1 What is the total reflectivity/transmissivity of a pack of a semi-transparent glass sheets [closed] Feb 19 '15
1 Efficiency of parallel and sequential heat pumps Apr 26 '12