00100	Marr is now at the AI lab at MIT for the spring.  He seems to
00200	be looking to AI for ideas.  You might visit him to talk
00300	about ideas, and where he is going next.  
00400	
00500	What about perception of texture.  Experiments with subjects
00600	or computer programs which perceive.  What are the discernible
00700	properties.  Explain McKay experiments with random dot images
00800	(look at some random configuration and you see more of them
00900	in the periphery).