OpenCyc is a really cool implementation of one solution to this problem. The way it was explained to me, computers don't know that when you turn a full cup of

OpenCyc is a really cool implementation of one solution to this problem. The way it was explained to me, computers don't know that when you turn a full cup of coffee upside down, the liquid will fall out. Cyc attempts to provide a framework for that. http://sw.opencyc.org http://sw.opencyc.org