Refraction is a natural effect that alters the image of an object when viewed through a transparent medium (glass, water).

Does the way one paints make a difference to the outcome? Obviously yes.  If the canvas - or paper or any other material - is vertical and the painter is standing in front of it, this means that he has a summary balanced image and is equidistant from the four…

I once had this conversation with a friend: He argued that we live in an objective world and that if we put all seven billion people- the current human population- in front of an object (a bottle was in front of us at the time) they would all agree that…