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PGA Championship 2009: why do golf balls have dimples? | iNewsCatcher
A ball moving through air experiences two major aerodynamic forces, lift and drag. Dimpled balls fly farther than non-dimpled balls due to the combination of two effects:Dimples 2008 rapidshare megaupload mediafire download free movie load upload video film
On a Saturday morning, Frances jolts awake from a frightening dream. That afternoon, while on a road trip with four friends, a bizarre chain of events leads