A brain is such a smart thing and helps us a lot but sometimes it makes a fool of us. Once I read an interesting article about how brain processes signals it gets from our eyes. The brain is capable of adding missing parts, e.g. of what is at our sides when we look ahead, based on what we saw earlier and thus helps us quickly orientate ourselves. It is definitely useful but sometimes it may also be somewhat confusing because the calculated vision may not correspond entirely with reality. In July my family and I spent a few days in Italy and one of the places we visited was…