Preskill blog entry

The reason why is that the entangle states provides greater enumeration.  It is as if the bits are conscience of one another.   What this video does is better than others is to strip the wave mechanics out of quantum computing to the extent possible. 

Explanations are phrased in terms of  red and green balls put in boxes with 2 doors.  Put a red ball in a box through door number 1 and if you go back and observe the ball through door number 1 it is always red.  If you observe the ball through door number 2 then it is 50-50 odds that you observer red or green.

More explanation after I watch a few times.

Categories: Quantum-Computing

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