Um sonho complexo

Synopsis: Hans the Younger faces the complex and imaginary words and is very upset because for him, mathematics should be real, concrete and exact. Resolve sleep and dreams of a strange character who has a beard half, uses shorts and cutaway and is a mixture of the two characters in the book The Doctor and the monster which is a duality in the world. Upon waking believes that the dream showed some of the magic of complex numbers.
Source: Unicamp - M3, Mathematics Multimedia.
URL: http://m3.ime.unicamp.br/recursos/1187