Other mistake: During the final Ice Palace action sequence, as Bond is getting into his Aston Martin just prior to his 'automotive duel', he crouches beside the invisible car in order to minimise himself as a target as he tries to locate the handle to open the door. The explanation given by "Q" was that tiny cameras on each side project what's on the other side. Despite crouching behind his car, he would still have been visible on the other side. (01:33:00)