A person sits or stands on the rotating stool (or platform) and holds the weights with his/her arms extended. After the stool is spun, the person brings his/her arms closer to the body. By moving ...

A person at rest is standing on a low-friction platform or chair and holding a spinning wheel. If the person tilts the wheel, she or he will start rotating according to the law of conservation of ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Joshua Lyon Joshua Lyon is a writer covering home furnishings and decor. He ...