Behold the A* Algorithm as it winds its snaky way!
I've been extremely busy teaching and making on-the-fly a new Algorithms course at Trinity College Dublin for the 3rd-year engineering students. It's just about finished, and went pretty well. I'll post more information when I get a bit of time after end-of-year. The above animation is from a demonstration program that I wrote for the class of the A* Algorithm - a computationally efficient modification of Dijkstra's Algorithm for finding the shortest route between two nodes in a graph.