You know those toys that have four or five steel balls hanging on strings. You pull back the ball on one side, let go, and the impact on the row of balls causes the ball on the other side to fly out. And back and forth it goes.
What are those called?
The Newtonian Demonstrator, the ball-chain, the impact ball apparatus, and Newton’s Cradle.
I think it’s Newton’s cradle.
**Inky- **
The single quote in your URL is confusing vB’s parser. This is the best I can do with your link (At least it’s clickable):
Thanks guys!
Sorry to get off-topic, but you should be able to replace a single-quote with %27 in a URL:
http://www.probertencyclopaedia.com/j/Newton's%20Cradle.jpg
or,
