@stevendotmalone No vectors in E=mc2. Energy has no direction. Neither does the square of a velocity. But momentum does. So P = mv is a vector. With P and v in the same direction, as written.
His passing has left an intellectual vacuum in his wake. But it's not empty. Think of it as a kind of vacuum energy permeating the fabric of spacetime that defies measure. Stephen Hawking, RIP 1942-2018.
Evidence collected over many years, obtained from many locations, indicates that the power of Prayer is insufficient to stop bullets from killing school children.
You Matter. Unless you multiply yourself by the speed of light squared. Then you Energy.