It might be educationally useful to be able to show propagation delay for the gates graphically -- actually show the signal "flowing" through the circuit. It wo

It might be educationally useful to be able to show propagation delay for the gates graphically -- actually show the signal "flowing" through the circuit. It would make it easy to demonstrate where glitches in a clocked circuit come from, which is hard to internalize by just staring at a diagram.