# How would the world look if all particles spin would align?

Dear physics gurus,

here is a question I have been pondering on.

This is based on something my high school chemistry teacher once said during a discussion of "ghosts" and other spirit creatures. He said, about a statue near school, that it could not be completely ruled out that some random effect would align the spins of all the atoms in one of the statues arms, causing a part of the arm to lift upward.

For an onlooker something like this could then look like the statue was moving.

I must say that I am not qualified to determine if the alignment in spin could cause a movement of the arm, so if anyone has any pointers on that I would welcome it.

On another hand the question I wanted to ask is about how would the world look like if either of following scenarios suddenly became true:
A. the spin of all atoms of a specific type would become aligned with the spin of other atoms of the same type
B. the spin of all atoms would become aligned with each other

What kind of behavior would objects exhibit...like would everything be attracted to each other?

Thanks

## Answers and Replies

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To make a simple analogy:

Imagine a car engine with its pistons. When one is up, the other is down. They cancel each others motion out, the net force between the pair is zero.

If you then made it so that both pistons moved up and down at the same time, what would be the effect when both pistons were at the top of their rotation? The engine would jump or at the very least, vibrate badly.

Not a clue if this applies to atoms, but it sounds about right.

This is about magnetism. I'm due for a review on the subject, but this fellow:

http://www.ru.nl/publish/pages/561854/frog-klein.jpg [Broken]

certainly had many of his constituting atoms aligned when that picture was taken. Not sure if it's your scenario a or b. I would guess b.

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