Apparently, this user prefers to keep an air of mystery about them.
20 Artificial gravity on rotating spaceship? May 12 '14
5 Pouring water in an aircraft while upside down? Mar 2 '14
4 Is it possible to avoid the radiation that caused the American flag turned into white on the Moon? Mar 3 '14
4 Does the Sun produce audible sound? Apr 3 '14
3 Do we need waves for fields? Apr 1 '14