Sun 03 February 2019 Physics Hertz Potential and Current Forms Hertz potential and currents in the language of differential forms.
Sun 27 January 2019 Physics A Result for the Laplacian Green Function A subtle identity for the Green function of the laplacian operator.
Thu 10 May 2018 Physics Ann, Bob, and Eve 3 Ann and Bob share a secret, and Eve uses a different eavesdropping method.
Thu 10 May 2018 Physics Hadamard Eigen-Basis A short note on the eigen-basis for the single-qubit Hadamard gate.
Fri 13 April 2018 Physics More on Bell Transforms Some weird properties of the matrices that transform to Bell bases.
Wed 11 April 2018 Physics The Other Bell Basis and 24 A surprising property of a certain 2-by-2 matrix.