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Prior Experimental work

Posted by aux47 on 20 Oct 2010 at 12:39 GMT

There has been prior experimental work on this phenomena indicating that the ball does indeed curve and is not an optical illusion:

Effect of Spin and Speed on the Lateral Deflection (Curve) of a Baseball; and the Magnus Effect for Smooth Spheres
Lyman J. Briggs
American Journal of Physics -- November 1959 -- Volume 27, Issue 8, pp. 589-596

No competing interests declared.