If a particle can be in two places at once, how do you determine where it is when you look at it?
Category: Brain · Difficulty: hard
Hint: Consider the implications of observation in quantum mechanics.
Answer
It settles into one location.
Explanation
In quantum mechanics, observing a particle causes it to 'collapse' from a superposition into one defined state.
This is a hard brain riddle — a tricky one that takes a little thought. The answer is It settles into one location..
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