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.
Pilots do it to get high.
Pilots keep it up longer. Pipefitters do it with blowtorches. Plumbers do it under the sink. Plumbers do it with snakes and helpers. Podiatrists do it with feet.