h a l f b a k e r yInexact change.
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There actually is a kind of time machine called the
delayed
choice quantum eraser [link]
Viewing either of two different outputs causes the path
the
photons take (took) to be retrocausally modified to favor
one
path or the other.
So, improving this you have the photon path linked to
donated sperm. If it takes one path the sperm comes
out of sample
tube, and a different sample if the other photon path is
viewed.
The baby is conceived, but no one ever looks at the
apparatus to determine the photon's path. The child
grows
up. The person notices they are unhappy. They then
telephone
the scientist and have them observe the delayed
quantum
choice eraser. Then retrocausally the tube of sperm
used
changes, and at the observable universe the biological
and
mental identity of the person changes to a different
person, possibly making them happier.
As a product this would give everyone the opportunity to
have a do-over of their life.
Delayed choice quantum eraser at wikipedia
https://en.wikipedi...oice_quantum_eraser
[beanangel, Dec 10 2018]
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Annotation:
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"this requires a non-standard view of quantum mechanics. If a
photon in flight is interpreted as being in a so-called
"superposition of states", i.e. if it is interpreted as something that
has the potentiality to manifest as a particle or wave, but during
its time in flight is neither, then there is no time paradox. This is
the standard view, and recent experiments have supported it." |
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In other words, this will only work if the universe feels
constrained by our metaphors of "wave" and "particle". I'm
guessing it doesn't. |
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There may still be scope for a quantum pencil-sharpener,
though. |
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// this would give everyone the opportunity to have a do-over of their life. // |
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No, it will just fork the timeline. It won't affect "you", only instantiate another "you" in a different timeline. |
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Reading up on this apparatus, it seems that putting a paper bag over the head of your partner during conception may have the same effect? |
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