Coins off your elbow
Here's a tricky experiment with gravity!
First, balance one or more coins in a stack on your elbow. |
|
Then straighten your arm and try to catch the coins! |
Building Our Toolbox for Success
Here's a tricky experiment with gravity!
First, balance one or more coins in a stack on your elbow. |
|
Then straighten your arm and try to catch the coins! |
|