Then, all of sudden, I saw a hand holding a piece of chalk and writing on a black-board something like a mathematical formula. The vision was very clear, but it stayed only for few seconds and disappeared again. The Internet is abound with a new, simple technique for at-home DIY multimodal (vision, sound) Ganzfeld Hallucinations (previously). [more inside]
posted by tybeet on Nov 20, 2008 - 45 comments