This is a short video from Wuhan University in China of a robot they've developed that can blend in with its background. The robot uses light sensors to detect the background color, then applies an electric field to plasmonic panels that then change the appropriate color to blend in. I know it's hard to believe, but there's actually a robot in the picture above. Supposedly it's right between the orange and green panels. Can you see it? I can't see it. Technology!
Hit the jump for a short video of the chameleonbot doing its thing.
Thanks to Jeffrey S, who doesn't need technology to hide because he's a ninja and standing behind you right now.