Image via hurleygurley [Flickr] (BTW, if you want...  ...and abstract concepts. Unfortunately, because our minds have to process so much information at once in or...  ..., we usually can’t get the image out of our minds . Watch the video again and try to ignore the gori...

Boston.com has a very cool chart detailing how to mess with your mind's perceptions, naturally. I think the most interesting one is definitely the first one. It tells you how to hallucinate with ping pong balls and a...