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According to quantum theory, particles act as waves rather than point masses on very small scales. This has dozens of bizarre consequences: it is impossible to know a particle's exact position and velocity through space, yet it is possible for the same particle to be doing two contradictory things simultaneously. Through a phenomenon known as 'superposition' a particle can be moving and stationary at the same time — at least until an outside force acts on it. Then it instantly chooses one of the two contradictory positions.
"A particle can be moving and stationary at the same time?"
A person can be moving and stationary at the same time.... sitting inside a moving car/plane/train.
"A particle can be moving and stationary at the same time?"
A person can be moving and stationary at the same time.... sitting inside a moving car/plane/train.
Alot to be said for frame of reference.
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