https://pure.psu.edu/en/publications/fullerenes-with-non-positive-gaussian-curvature-holey-balls-and-h/
Fullerenes with non-positive Gaussian curvature: Holey-balls and holey-tubes - Penn State
gaussian curvaturepenn statefullerenesnonpositive
https://laughingsquid.com/how-gaussian-curvature-is-responsible-for-the-remarkable-way-people-eat-pizza/
How Gaussian Curvature Is Responsible for the Remarkable Way People Eat Pizza
Jun 21, 2016 - Folding a slice of pizza keeps the food rigid and easier to eat, and astronomer Clifford Stoll explains why in a recent episode of Numberphile. The reason
is responsible forgaussian curvatureremarkablewaypeople