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"Child of the '80s? Then you'll most likely remember those notorious PSAs about your brain and eggs, and the dangers of turning yourself into an omelette. Yeah, well turn off your inner Nancy Reagan for a second because we've got an Arduino hack that should have you just saying yes. New Zealand artist Rich Decibels created a homebrew brain entrainment device that uses low frequency sound and light to induce different mental states. The mod pieces together an Arduino Uno with two separate interface boards -- one for pitch and separation controls, the other for LED and volume -- to deliver a combo of binaural beats (two slightly out of sync tones) and flashing headset-mounted lights that'll slow down those cerebral hertz cycles. If you happen to live in the land made famous by Frodo's Shire, you can check out the brain-slowing goods at Thistle Hall's Project Briefcase exhibition. Not a Kiwi? Then be sure to hit the source for an audio taste of this hacked head experience."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.engadget.com/2011/08/08/rich-decibels-brainwave-disruptor-scrambles-your-head-not-your/?ncid=rss_semi>