Consider the wheel. Round. Dependable. Boring. Hasn’t been redesigned in centuries. Positively Neolithic. Now consider the spiral. Eccentric. Open-ended. Captivating. Native Americans carved spirals ...

If you are looking for a DIY project linked to hypnosis or optical illusions, this simple hypno wheel idea is for you! A hypno wheel, also called as hypno disc or hypnosis spiral, is a spinning spiral ...