I think this is a proof of concept for real world covered channels. However, the authors claim that it is just about optical illusions... Whatever it is, check out their amazing pictures!
John Sadowski has illustrated a nice optical illusion: you can see colors within black/white pictures. Nice.
"An actual British government poster outside a London Metro station. And you thought all the talk of a 'police state' was just fear-mongering." (via fefe)
Looks like there are nerds working at the supermarket. Or it is an alien landing zone. Great. (via #thinknerd)
What can you do when a house owner refuses to move out? (via fefe)
ray, deep thought and me at the campsite at cccamp 2007