Austrian neurologist who founded the field of psychoanalysis, a method involving treating patients through a dialogue. He is also known for his theory of the unconscious, the analysis of dreams and the model of the psychic structure comprising of id, ego and super-ego.
About 8 billion electrons are used for an average email of 50KB. If one were to weight all these, it turns out that the message weighs about "two ten thousandths of a quadrillionth of an ounce". [more...]