Browsing: Lens_numbers

Bernard Morin developed glaucoma at an early age and was blind by the time he was six years old. Despite his inability to see, Morin went on to become a master topologist—a mathematician who studies the intrinsic properties of geometric forms in space—and earned renown for his visualization of an inside-out sphere. For sighted people, […]

At the Hotel Parco dei Principi in Rome, in September of 1973, the Hungarian mathematician Paul Erdős approached his friend Richard Guy with a request. He said, “Guy, veel you have a coffee?” It cost a dollar, a small fortune to a professor of mathematics at the hinterland University of Calgary who was not much […]

Nearly a quarter of Americans still believe in Ptolemy’s idea that the sun goes around Earth. Yet, every year, these people presumably cheer on December 31 to mark the New Year, another successful trip of Earth around the sun. It’s likely not hypocrisy, just ignorance. But if much of the general public still doesn’t get […]

The early 19th century golfer Harry Vardon was the Tiger Woods of his day, and not just because he had marital difficulties. He even had a biography written about him, which recounted, among other things, how he handled losing his first child and living with tuberculosis. But Vardon’s life would be more useful to sports […]