Apparently, this user prefers to keep an air of mystery about them.
72 How do moving charges produce magnetic fields? May 21 '13
67 Why does the atmosphere rotate along with the earth? Nov 22 '10
27 What is the physical significance of dot & cross product of vectors? Why is division not defined for vectors? Aug 28 '11
8 What are “electron holes” in semiconductors? Oct 12 '11