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From: rAgAv on 27 Jun 2010 09:14
Hello,

I recently read this from an article on the New Scientist magaine:-

"Thanks to the strange nature of the quantum world, it can actually be
spinning in two directions at once, a phenomenon known as
superposition. When we use a detector to measure the spin, however,
the superposition disappears and we register a spin occurring in one
direction or the other."

I was just wondering how they would know that it can actually be
spinning in two directions at once when they cannot use a detector to
detect this superposition.


My question is, how would they know that it is actually spinning in
two directions at once when they cannot detect it?
From: Sam Wormley on 27 Jun 2010 10:33
On 6/27/10 8:14 AM, rAgAv wrote:
> Thanks to the strange nature of the quantum world, it can actually be
> spinning in two directions at once

Here is the article

Schr�dinger's kit: Tools that are in two places at once

http://www.newscientist.com/article/mg20627661.100-schrodingers-kit-tools-that-are-in-two-places-at-once.html?DCMP=NLC-nletter&nsref=mg20627661.100

Here is background on Quantum Superposition
http://en.wikipedia.org/wiki/Quantum_superposition

"The principle of superposition states that if the world can be in any
configuration, any possible arrangement of particles or fields, and if
the world could also be in another configuration, then the world can
also be in a state which is a superposition of the two, where the amount
of each configuration that is in the superposition is specified by a
complex number".
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