What Physics Says About Smooth Balls

[miK.]

What Science Says About The World Cup Ball (via NPR)
http://www.npr.org/templates/story/story...=128411155&sc=fb&cc=fp

“You might think if you make a ball very, very smooth, it will fly through the air better than a ball that is
rough,” says John Eric Goff, chair of the physics department at Lynchburg College and author of Gold
Medal Physics: The Science of Sports. You might think that, but you’d be wrong.

Now... what did you think this thread was about?

[Grateful11]

I thought that had been proven long ago with golf balls.

[rgG]

I read psychics instead of physics, so I was really confused.

[M>B>]

Wiki has a good esplanation...

http://en.wikipedia.org/wiki/Golf_balls#Aerodynamics

[haikuman]

I thought you meant

Physic

n.
A medicine or drug, especially a cathartic.
Archaic. The art or profession of medicine.
tr.v., -icked, -ick·ing, -ics.
To act on as a cathartic.
To cure or heal.
To treat with or as if with medicine.

smooooth balls evacuate cleaner and never chaff *(:>*

[N-OS X-tasy!]

Grateful11 wrote:
I thought that had been proven long ago with golf balls.

And, to a lesser degree, baseballs.

[Speedy]

I'm not going to touch this one with a 9" pole.

[Don Kiyoti]

What about chocolate salty balls?

[bazookaman]

[RAMd®d]

“You might think if you make a ball very, very smooth, it will fly through the air better than a ball that is
rough,” says John Eric Goff, chair of the physics department at Lynchburg College and author of Gold
Medal Physics: The Science of Sports. You might think that, but you’d be wrong.

That's the third interesting thing related to soccer that I've read.

These are the first two:

Not all smooth round objects need fly through the air