Cameras that can see through walls (deliberately misleading post title)

You can hook up two cameras and a a computer to let one camera see “through” walls by hithchiking on the other camera’s perspective.

This New Scientist video shows it off, and theorizes that someday — perhaps using heads-up displays in your car windshield of embedded in your contact lenses — people will avoid car accidents by using networks of these cameras to see around blind corners and stuff:

I say, if you allowed cameras to broadcast stuff into your eyes willy-nilly, it would take about 30 seconds before some juvenile hacker started making you watch porn.