Pathologists do it with corpses. Patients do it feverishly. Pheasants do it under glass. Philosophers wonder why they did it. Photographers do it with a flash.
Photographers do it in the dark.
Physicist do it a quantum at a time. Physicists do it ultra-relativistically. Physicists do it with charm. Physicists do it with high energy particles. Physicists do it with stangeness.