“For our 2D square, this diagonal length is sqrt 2 = 1.414; …The diagonal from the centre of each padding sphere to the centre of the cube is sqrt 3 = 1.732, which allows our specimen sphere to expand to… — Matt Parker Copy Share Image
“For example, add two identical balls of dough together, and the new radius of the combined ball is not twice what it was; it's only about 26 percent larger. Why? Because for ordinary materials in a sphere the radius grows… — Caleb Scharf Copy Share Image
