On Wed, Jun 18, 2014 at 12:15 PM, Axil Axil <janap...@gmail.com> wrote:
http://www.sciencedaily.com/releases/2012/12/121221233120.htm > > The 500 phases of matter: New system successfully classifies > symmetry-protected phases > > This example is just one of the 500. > This reminds me of the following classification of animals, attributed by Jorge Luis Borges to an ancient Chinese source: - Those that belong to the emperor - Embalmed ones - Those that are trained - Suckling pigs - Mermaids (or Sirens) - Fabulous ones - Stray dogs - Those that are included in this classification - Those that tremble as if they were mad - Innumerable ones - Those drawn with a very fine camel hair brush - Et cetera - Those that have just broken the flower vase - Those that, at a distance, resemble flies Eric
