Lynn Case-Author
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Is Time Travel Really Possible?

7/11/2016

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Physicists Simulate Sending Particles of Light Into the Past, Strengthening the Case that Time Travel Is Possible
http://earthmysterynews.com

Single particles of light (photons) to simulate quantum particles travelling through time were just used by scientists from the University of Queensland, Australia. They showed that one photon can pass through a wormhole and then interact with its older self.

The study of closed timelike curves (CTC’s) provides valuable insight into particles that can loop back on themselves, breaking free of linear time.

“One aspect of general relativity that has long intrigued physicists is the relative ease with which one can find solutions to Einstein’s field equations that contain closed timelike curves (CTCs)—causal loops in space–time that return to the same point in space and time.”

The Science
Closed timelike curves are a necessary concept to understand this experiment.
CTCs are used to simulate powerful gravitational fields, like the ones produced by a spinning black hole, that could theoretically (based on Einstein’s theory of general relativity), warp the fabric of existence so that space-time bends back on itself. This creates a CTC, almost like a pathway to travel back through time.

The source of time travel speculation lies in the fact that our best physical theories seem to contain no prohibitions on traveling backward through time. The feat should be possible based on Einstein’s theory of general relativity, which describes gravity as the warping of spacetime by energy and matter. An extremely powerful gravitational field, such as that produced by a spinning black hole, could in principle profoundly warp the fabric of existence so that spacetime bends back on itself. This would create a “closed timelike curve,” or CTC, a loop that could be traversed to travel back in time. (source)
Experimenting With CTC’s

Single particles of light (photons) to simulate quantum particles travelling through time were just used by scientists from the University of Queensland, Australia. They showed that one photon can pass through a wormhole and then interact with its older self. Their findings were published in Nature Communications. 

Much of their simulation revolved around investigating the “grandfather paradox,” a hypothetical scenario in which someone uses a CTC to travel back through time to murder her own grandfather, thus preventing her own later birth.
The Grandfather Paradox in Quantum Physics

Instead of a human being traversing a CTC to kill her ancestor, imagine that a fundamental particle goes back in time to flip a switch on the particle-generating machine that created it. If the particle flips the switch, the machine emits a particle--the particle—back into the CTC; if the switch isn’t flipped, the machine emits nothing.

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Now you may be wondering why I thought this particular article was worth posting on my blog.  Well, I will tell you.  I have always been fascinated by the theory of Time Travel since seeing the movie "The Time Machine" when I was a kid.  The movie is based on a story from H.G. Wells.

Oh, I am not a fanatic about it like some people can be.  it is just an interesting thought.  What if we could go back and change things in our life?  You know that question has probably crossed your mind once or twice in your lifetime, admit it. If you read my book "Return to Lily Cove" then you get the idea.

My next book I have decided NOT to publish, at least at this time, but rather post each adventure right here on my website for everyone to enjoy. 

There is a tab at the top of my website titles "MIKA".  Soon I will be posting her adventures here.  Sort of like episodes of a TV Series.  So stay tuned.

Happy Reading!
Lynn



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