First you open you left eye: https://en.wikipedia.org/wiki/List_of_unsolved_problems_in_physics https://en.wikipedia.org/wiki/List_of_unsolved_problems_in_p...

First you open you left eye: https://en.wikipedia.org/wiki/List_of_unsolved_problems_in_physics https://en.wikipedia.org/wiki/List_of_unsolved_problems_in_p... the you open your right eye: https://en.wikipedia.org/wiki/List_of_unsolved_problems_in_mathematics https://en.wikipedia.org/wiki/List_of_unsolved_problems_in_m... and then you smile at the world: https://commons.wikimedia.org/wiki/File:Complexity_Map.svg https://commons.wikimedia.org/wiki/File:Complexity_Map.svg