Friday, December 4, 2009

When Is A Fly Ball A Line Drive?

Let's talk about parallax.

Simply put, parallax is a phenomenon in which the apparent position of an object can change based upon the location of the observer. Let's consider a very modest change in location—moving from the driver's seat to the passenger's seat of a car. (Do not attempt this while the car is in motion, please.) Observe how the gas gauge looks in each position:

The Hardball Times

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