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If you tape two halves of a ping pong ball to your eyes, and stare at a red light while listening to static, you will have complex and vivid hallucinations. - )
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Ben Wingrove on Twitter: "@DoctorKarl ping pong balls over eyes + static noise + red light + 25 minutes = no hallucinations for me #experiment http://t.co/Ys9ite4jN4" / Twitter
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