A 3D form of fixed width as seen from three totally different angles. The center view resembles a 2D Reuleaux triangle
Andriy Prymak et al. 2024/SageMath/Danylo Radchenko
Mathematicians have reinvented the wheel with the invention of shapes that may roll easily when sandwiched between two surfaces, even in 4, 5 or any greater variety of spatial dimensions. The discovering solutions a query that researchers have been puzzling over for many years.
Such objects are often known as shapes of fixed width, and essentially the most acquainted in two and three dimensions are the circle and the sphere. These aren’t the one such shapes, nonetheless.…
