I'm Luke Chao, creator of Hypnotizr and this blog.I've been practicing hypnosis since I was 15 years old-half a lifetime ago. Actually, that's a half-truth. In those early days, the only person I hypnotized was myself. I did hypnosis by recording sessions into a microphone hooked up to my computer and then playing them back to myself through headphones. I don't think I actually summoned up the courage to hypnotize another human being (or found a willing participant) until I reached university, a couple of years later.I remember the days when I first learned hypnosis. I had a scientific upbringing (my father's a doctor, my mother a scientist) and I had been reading a lot of Carl Sagan, Richard Dawkins and James Randi at the time. I had my skepticism meter tuned to "overdrive," and my first reaction to hypnosis was that it couldn't possibly work...