Escheresque
Mind blown! ames’s window illusion
Solution explained http://www.youtube.com/watch?v=aHjQe8EuKHc
Mind Lab by the JST Virtual Science Center!
This is awesome. You can spend hours in here learning about really cool things. It’s an interactive exploration perception that utilized optical illusions that will blow your mind. This is like a trip to the Science Museum.
http://jvsc.jst.go.jp/find/mindlab/english/base.html