A solid surrounded by four or more planes is called "polyhedron"Especially, all sides are composed of congruent regular polygons"Regular polyhedron"Is a solid with the most beautiful symmetry, it is ...

Getting your Trinity Audio player ready... Clark Richert has long had a way of using art to model complex ideas about math and science. He’s been working out methods for employing line and color to ...

Are you afraid of the dark? Fear of darkness, or nyctophobia, is now relegated to a cute childhood memory for most of us. But an intrinsic fear of the dark is hard-wired into us humans. After all, ...