Guy Fawkes' Explosion Would Have Devasted London

Anonymous Coward writes "Experts at the University of Wales in Aberystwyth have worked out for the first time the true extent of the damage Guy Fawkes would have caused if his daring deed had not been foiled on November 5, 1605. " Sorry - history geek/major in me coming out, but this is definitiely one of those major points in history when things Could Have Gone Differently.