Apparently, this user prefers to keep an air of mystery about them.
8 Other kind of Brachistochrone problem oct 19 '12
8 Can the coordinate of the big bang point be calculated via observed universe or it is impossible? [duplicate] may 13 '14
3 What could we observe if we see a 4 dimensional object and how could it change our physics view about our universe? apr 20 '12
3 Brachistochrone problem for 3 points may 5 '12
2 Can Mirror box simulate long light travel? mar 9 '12