Wtf?

[goobercrow]

Can anyone figure out how they do this?

http://digicc.com/fido/

Comments

[40shadesofblue]

It's an old math trick. If you really care, I can sit down and work out the precise details, but this sort of thing is pretty common.

[mezdeathhead]

All I know is that I never thought I'd see Fido Dido again!