Newton's Cradle
...so cool. It is very fun to play with. It uses the notion of conservation of energy and momentum. Did I say that it was fun to play with? Oh did I mention the conservation of momentum? I meant energy. Oh wait - I said that didn't I. Haha made you look. Newton's Cradle has fascinated scientists for centuries. The construction and physics behind it has baffled onlookers over and over again. This mechanism has even been developed into different versions and sold as toys. What made this device so intriguing? How did it draw the attention of so many scientists? This machine is so cool. It is very fun to play with. It uses the notion of ...