
A particular solar cooker namely the Binary oppositions are necessary attributes of the Universe. One important manifestation of bipolarity is duality of mental processes, defined by brain lateralization on left and right hemisphere, what determines the creative activity in a particular area: art or science, poetry or painting, physics or lyrics. It is known to divide people into two opposite class: the romantics (right-brain) and pragmatics (left-brain). A highly talented creative personality also falls into two main classes: born in the winter are romantics, born in the summer are pragmatists. Born in winter, typically, are outstanding poets, painters, composers; born in summer are prominent physicists, bankers, administrators, as well as brilliant surgeons and pianists.