The prime spiral, also known as Ulam's spiral, is a plot in which the positive integers are arranged in a spiral with primes indicated in some way along the spiral. In the above variation of the Ulam spiral, red squares represent prime numbers and white squares represent non-primes. / Sacred Geometry <3
Fairy tale is about KingValemon which had been transformed into a bear by an evil witch, when he refused to marry her. The curse which was thrown over him, forced him to wander around like polar bear in the daytime, and only himself at night when it was dark. If none saw him as he really looked over seven years would the magic fall off. However, if it was someone who saw him in human form, he had neatly go back and marry the evil witch.