A Few of My Favorite Spaces: The Bicylinder

Also known as mouhefanggai or the Steinmetz solid, this shape appeared in the first Chinese explorations of the volume of a sphere

-- Read more on ScientificAmerican.com

from #AlexandrosSfakianakis via Alexandros G.Sfakianakis on Inoreader http://ift.tt/2CsNodr
via IFTTT