Explination of artificial P out of IL

Super cool, but pretty long video explanation of artificial P. Its build a lot like I expected it would be, but they suggest that it works a LOT better than I ever thought it could, in terms of predictive control...amazing. If you've been wondering...http://www.mathworks.com/matlabcentral/fileexchange/48019-blood-glucose-regulation-in-a-type-i-diabetic-in-simulink