Young's Two-slit Experiment

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ples of quantum physics. Feynman himself said that no physicist has comprehended the experiment, as it cannot be rationalized by traditional means. And though the experiment illustrates the key elements of quantum mechanics, and physicists can mathematically explain the occurrences, it has yet to be explained why these results arose.

In another guise to Young’s two-slits is the famous uncertainty principle. This proved that the speed of an electron or its position could be measured, but not both at the same time. More precisely, Heisenberg proved that the better the electron's position is measured, the less accurately the velocity is known, and vice versa. Wave-particle duality, as well as Heisenberg’s Uncertainty Principle are possibly the most noticeable instances of complementarity. In modern quantum mechanics, complementarity is no longer problematic. As seen in Young’s experiment, measurement is a compromise. Since either speed or position can be measured, a...