Marcus du Sautoy's Five Shapes - The Sphere - ÃÛÑ¿´«Ã½ Sounds

Marcus du Sautoy's Five Shapes - The Sphere - ÃÛÑ¿´«Ã½ Sounds
The Sphere
The sphere's perfect form is the most economical shape for containing matter.
The sphere's perfect form is the most economical shape for containing matter.