When I first saw this (extracting audio from visual vibrations): http://news.mit.edu/2014/algorithm-recovers-speech-from-vibrations-0804 http://news.mit.edu/201

When I first saw this (extracting audio from visual vibrations): http://news.mit.edu/2014/algorithm-recovers-speech-from-vibrations-0804 http://news.mit.edu/2014/algorithm-recovers-speech-from-vibr... it seemed incredible that the signal the cameras could capture was strong enough. This work is even cooler, even more non obvious and seems closer to wizardry.