Ancient Greek mathematicians – most notably Plato - classified solid shapes thousands of years ago. Since then, remarkably few geometric ‘solid’ forms have been discovered and the last collection was ...

Mathematicians present the Nopertedro: a Rupert property solid that broke an old myth by preventing one copy from passing through another.

(cheerful music) (electronic gadgets whirring and ringing) - [Children] Math Mights! Welcome, 2nd grade Math Mights. My name is Mrs. McCartney. I'm so excited that you've joined us today for our show.

Four people dressed as detectives walk past with magnifying glasses. NARRATOR: This song is all about shapes. Not flat shapes like circles and squares, but solid shapes like cubes and cones. Let’s ...

Hyderabad: While liquids are known to take the shape of the container, solids too can rearrange their atoms to conform to the shape, given enough time. “More interestingly, the smaller the change in ...

A 3D shape with all straight edges and flat faces is a polyhedron. Other 3D shapes with least one curved surface are not polyhedra. A 3D shape with regular polygonal faces, meeting at equal angles, is ...