Einstein and the Eagle: How Relativity Is Saving Earth’s Rarest Raptor

At the hazy dawn of the twentieth century, through the byways of mental meandering and mathematical play, Albert Einstein arrived at a revelation about the nature of the universe while working as a clerk at the Swiss patent office — a new relationship between space and time, the warp and weft of a single fabric that hammocks energy and matter into the lucid dream of reality. It took years for Arthur Eddington’s dramatic eclipse expedition to confirm Einstein’s theory by watching light bend along the curvature of spacetime against the screen of totality rather than follow the straight lines ...