I'm reminded of this DIY cat door that used pattern recognition to prevent the owner's cats from bringing dead animals into the house. http://www.quantumpictur

I'm reminded of this DIY cat door that used pattern recognition to prevent the owner's cats from bringing dead animals into the house. http://www.quantumpicture.com/Flo_Control/flo_control.htm http://www.quantumpicture.com/Flo_Control/flo_control.htm (2010)