search results matching tag: galilean cannon
» channel: learn
go advanced with your query
Search took 0.000 seconds
- 1
| Videos (1) | Sift Talk (0) | Blogs (0) | Comments (1) |
- 1
go advanced with your query
Search took 0.000 seconds
| Videos (1) | Sift Talk (0) | Blogs (0) | Comments (1) |
Not yet a member? No problem!
Sign-up just takes a second.
Forgot your password?
Recover it now.
Already signed up?
Log in now.
Forgot your password?
Recover it now.
Not yet a member? No problem!
Sign-up just takes a second.
Remember your password?
Log in now.
Brian Greene on how The World Will End
noimsI'd never heard it called a Galilean Cannon before, but I was doing this with two of my kid's balls this week. Kids love it, but adults are completely confused by how powerful it is.
Balance, say, a tennis ball on a basketball and drop them from chest height, and it will go so far that you will probably lose your tennis ball.