"head" in the name refers to the Mathematica concept. That was the first account I created. I kept the name.
10 How does wind speed affect the velocity of light? May 2 '14
9 Does a tire need to slip to generate force? Dec 14 '14
8 Why isn't invariant notation common? Jun 24 '14
8 Why is the electric field of an infinite insulated plane of charge perpendicular to the plane? Jul 1 '14
6 Does a conductor of total charge zero placed in a uniform external electric field experience net force? Dec 17 '13
6 What is the resolution to Gibb's paradox? Mar 9 '14