Good guide and good quality conversion from VHS. One small error though: aspect ratio is not correct, it is stretched little vertically.
Now only need some time machine and spread it worldwide in 1989
Famous Schrodinger's cat hypothetical experiment says that cat is dead or alive until we open box and see condition of poor animal, which deserved better logic. Cat is always in some certain state - regardless from is observer able or not to see what the state is.