Apparently, this user prefers to keep an air of mystery about them.
4 Why does motion help you balance on ice skates? dec 27 '12
3 What is the most efficient machine for translating gravitational potential energy of one mass into kinetic energy of a different mass? dec 29 '12
3 Is it possible to use the parabolic shape of a rotating fluid to measure the angular frequency of the rotation of the Earth? dec 25 '13
3 Why is electrical energy so difficult to store? mar 8 '13