This is an electromagnetic photo frame that can make it look like that picture is actually floating. It works because the photo frame has a magnetic field sensor on the top side and a microprocessor and other electronic doodads in the base that ensure the picture is always balanced. This is a great middle-man picture frame for those who aren't quite ready to make the jump to digital picture frames, but are tired of the same old frame. $60.
A Magnetic PHoto Frame That Keeps Your Pictures Floating [Coolest-Gadgets]