Latest Inversive geometry Stories

2014-11-14 23:04:49

Pittsburgh-based InventHelp attempts to submit an invention, Hang Tight, to companies for review. Pittsburgh, PA (PRWEB) November 14, 2014 Many people

Word of the Day
  • A transitional zone between two communities containing the characteristic species of each.
The word 'ecotone' comes 'eco-' plus a Greek root meaning 'tension'.