When Albert A. Michelson devised ways to measure the speed of light, he both helped pave the way for relativity and opened a new field of scientific instrumentation
For three generations the Stevenses of New Jersey applied their inventive genius to steamboats, railroads, naval warfare, and a host of other technologies
In the 1870s and the 1880s a profusion of new ideas, new technologies, and new social demands converged in Chicago to produce the modern skyscraper. Why did it all come together then and there?