Vi Hart tells, in this video, about a visit to a Möbius world: Interest in things Möbius runs in the Hart family. Vi Hart’s father, George Hart, invented the Möbius bagel.
George W. Hart devised an elegant, mathematical way to slice a bagel [AIR 16:1]: It is not hard to cut a bagel into two equal halves which are linked like two links of a chain. The line ABCDA, which goes smoothly through all four key points, is the cut line. As it goes 360 degrees […]