stephen hawking
The Day Feynman Worked Out Black-Hole Radiation on My Blackboard
After a few minutes, Richard Feynman had worked out the process of spontaneous emission, which is what Stephen Hawking became famous for a year later.Wikicommons The amazing image of a black hole unveiled Wednesday, along with data from the Event Horizon Telescope, may not substantiate Stephen Hawking’s famous theory that radiation, an example of spontaneous […]
The Ends of Time, in Art and Science
In Gallery 919, in New York’s Metropolitan Museum of Art, there is a giant breathing machine. Its creator, William Kentridge, calls it “the elephant,” after Charles Dickens’s description of factory machines that move “monotonously up and down, like the head of an elephant in a state of melancholy madness.” On the walls surrounding the elephant […]