Today, scientists at the University of California at Berkeley announced that they have created technology that can map brainwaves to reproduce what you hear and take a step toward reading your mind…freaky.
Here’s an article from Popular Science: Translating Brain Waves to Reconstruct Sounds and Conversations You’ve Heard: http://www.popsci.com/science/article/2012-01/decoding-brain-waves-could-let-doctors-hear-what-we-hear-%E2%80%94-and-maybe-what-we-think