sentences:  PROWLER was a six-wheeled vehicle with a gun turret and sensor array, resembling a miniature tank, developed from 1983 onwards.The robot was built by Robot Defence Systems (RDS), an American company from Thornton, Colorado, which has since gone out of business.Whiting reaction
  
  The Whiting reaction is an organic reaction converting a propargyl diol into a diene using lithium aluminium hydride.