iPhone Giveaway of the Day - Physics Bites! - Lenses

The purpose of Physics Bites! is to give the user a chance to better understand certain concepts in physics by playing with tiny simulations (or "Bites"). Each Bite allows the user to change several parameters but is designed to be simple enough to not overwhelm the user with controls.

"Lenses" is the first Physics Bites! module, with simulations illustrating different aspects of lenses.