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Posts tagged ‘time travel’

A Dream Within a Dream

I had a conversation with a lady today that sparked me into thinking about other dimensions. Having journeyed into the spirit world countless times I have definitely seen other dimensions. Who is to say what reality is? We are stuck in this third dimension and it pulls down our spirit tremendously. It keeps us locked into this third dimension reality instead of being able to explore all that there is.

It is extremely difficult to imagine other dimensions because of a hold that the third dimension has on us. If you allow yourself to let go and imagine unlimited possibilities you might be able to see that this is not all there is.

Several years ago I did a radio program and had a woman on as a guest who was a psychic. We ended up in a heated debate because she did not believe in time travel or other dimensions. I could not believe this woman claimed to be a psychic and not have the concept of the unlimited possibilities that exist.

Next time you look at something use your third eye and try to see beyond this dimension and see what other possibilities there are.

I am enclosing one of my favorite poems that I think gives a great perspective and thought about not everything being what we see or seem.

Would love to hear your thoughts about other dimensions.

Many blessings,
Cherokee Billie

A Dream Within a Dream 
BY EDGAR ALLAN POE

Take this kiss upon the brow!
And, in parting from you now,
Thus much let me avow —
You are not wrong, who deem
That my days have been a dream;
Yet if hope has flown away
In a night, or in a day,
In a vision, or in none,
Is it therefore the less gone?
All that we see or seem
Is but a dream within a dream.

I stand amid the roar
Of a surf-tormented shore,
And I hold within my hand
Grains of the golden sand —
How few! yet how they creep
Through my fingers to the deep,
While I weep — while I weep!
O God! Can I not grasp
Them with a tighter clasp?
O God! can I not save
One from the pitiless wave?
Is all that we see or seem
But a dream within a dream?

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Quantum time machine ‘allows paradox-free Time Travel’


Quantum physicists at the Massachusetts Institute of Technology believe it is possible to create a time machine which could affect the past without creating a “grandfather paradox”. By Tom Chivers

Scientists have for some years been able to ‘teleport’ quantum states from one place to another. Now Seth Lloyd and his MIT team say that, using the same principles and a further strange quantum effect known as ‘postselection’, it should be possible to do the same backwards in time. Lloyd told the Technology Review: “It is possible for particles (and, in principle, people) to tunnel from the future to the past.”

Postselection is a vital part of the nascent science of quantum computing. In traditional computing, if a user needs to determine which set of variables in an equation leads to the answer being true, the computer must try every combination until it hits upon one that works. In quantum computing, due to the weird parallel behaviour of subatomic particles, it seems to be possible to simplify the procedure by running all possible variations simultaneously, and selecting only the combinations that make the answer true.

Lloyd and his team say that, by combining teleportation and postselection, it would be possible to carry out the quantum teleportation effect in reverse; that is, to decide after the teleportation what the quantum state must have been before it. This works as postselection allows you to dictate which quantum states can be teleported, limiting what state it can have been in before the teleportation. The state of the particle post-teleportation has therefore, in effect, travelled back in time.

Dr Richard Low, a quantum computing scientist from the University of Bristol, says: “You could think of it as postselection affecting the history of the particle, sending the state back in time.”

Unlike previous theories of teleportation, this apparently avoids the “grandfather paradox” – or, to Back to the Future fans, the Marty McFly problem. If you go back and change time, and accidentally end up killing your own grandparent, you create a paradox – you will not be born, so you cannot go back and affect time. Even with subatomic particles, this is still a problem: upon travelling back in time, the particle could somehow destroy its earlier self or move it, thus preventing it from travelling.

However, because of the probabilistic nature of quantum mechanics, Prof Lloyd’s method seems to avoid this. Anything caused by the time travel must have had a finite probability of happening anyway, so paradoxical impossibilities are out.

Further, this time travel method does not involve bending spacetime, unlike other proposed systems. At the moment, the only conditions known that would bend spacetime sufficiently exist in black holes, which would be impractical at best.

It is a controversial theory, to say the least. Some physicists claim that the apparently impossible things implied by postselection prove that it cannot work, which would destroy Prof Lloyd’s theory before it got off the ground.

The theory is unlikely to lead to DeLorean time machines or anything remotely similar. Instead, Prof Lloyd and his team hope that it can advance our understanding of physics: “Our hope is that this theory may prove useful in formulating a quantum theory of gravity,” he says.

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