Retired engineer Henry Pohl can vividly recall his first encounter with a rocket. During the early 1950s, the Army drafted him and shipped him from Texas to the Redstone Arsenal in Huntsville, Alabama. “That dadgum thing looked pretty simple,” he says of the rocket engine. It didn’t look much bigger than the tractor engine back […]
This November marks the 100th anniversary of Albert Einstein completing his masterpiece of general relativity, an idea that would lead, one world war later, to his unprecedented worldwide celebrity. In the run-up to what he called “the most valuable discovery of my life,” he worked within a new sort of academic comfort.
The great German physicist Max Planck once said, “However many specialties science may split into, it remains fundamentally an indivisible whole.” He declared that the divisions and subdivisions of scientific disciplines were “not based on the nature of things.”