New posts in Conventions

Why is it "bad taste" to have a dimensional quantity in the argument of a logarithm or exponential function?

If electrons were positive and protons were negative, would life be different?

Are indices conventionally raised inside or outside of partial derivatives in general relativity?

Direction of magnetic field in a solenoid

Why do we write $(v\cdot \nabla) v$ instead of $v \cdot (\nabla v)$ for $v_j \frac{\partial}{\partial x_j} v_i$ in the material derivative?

Why is the Newtonian expression for kinetic energy called the "first order" approximation of the relativistic expression?

Why are circular unit vectors often defined as $\hat{\mathbf e}_\pm = \mp (\hat{\mathbf e}_x \pm i \hat{\mathbf e}_y)/\sqrt{2}$

Why is the work done on a charge calculated from infinity?

Lie Algebra Conventions: Hermitian vs. anti-Hermitian

Why is the mol a fundamental physical quantity?