:-object object_n_spheresensor : [slides].
  
  var url = '@talk-n-spheresensor.wrl'.
  var slideset = 'n-spheresensor'.
  var interface = 'n-spheresensor-interface'.
  
  main :-
          load(url),
          delay(5000),
          
          initialize,
  
          watch(slideset),
          connect(interface),
  
          delay(2000),
          !.
  
  :- end_object object_n_spheresensor.