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Trip like I do
http://www.michaelhayes.net/articles.html
Hey Hey
ummm...interesting

some say that life might be a constant. my youngest son says that i'm a square. more evidence?

surely math can't explain everything. otherwise we're back with fate.

....zzzzzzz...and so to bed.
Unknown
yeah....I dozed off too.
Unknown
QUOTE (Hey Hey @ Oct 10, 03:00 PM)
surely math can't explain everything.

....especially quantum fluctuations and the irratic and potentialities of various wave functions....

I'm so sick of art talk/language/vocabulary!

....but, how I do love abstract mathematical thought though.
Unknown
'The Hermetic Code; A General Theory of just about Everything' looks positively ridiculous. I seriously doubt ppl should waste any time on this book, and if you have a copy, use it for firewood.
Unknown
QUOTE (Unknown @ Oct 12, 12:14 PM)
QUOTE (Hey Hey @ Oct 10, 03:00 PM)
surely math can't explain everything.

....especially quantum fluctuations and the irratic and potentialities of various wave functions....

I'm so sick of art talk/language/vocabulary!

....but, how I do love abstract mathematical thought though.

maybe we need a higher form of mathematics
Hey Hey
QUOTE (Unknown @ Oct 12, 09:14 PM)
....especially quantum fluctuations and the irratic and potentialities of various wave functions....

However many fluctuations they'll all mean nothing when the universe ends, and the next, and the next ......... and it (they) will. I predict that the end(s) will be quite predictable.
Unknown
Based on what 'observation(s)'?
Hey Hey
For some ideas see the extract from an article by Michio Kaku:

............But since the big freeze is probably billions to trillions of years away, there is time for a Type III civilisation to plot the only strategy consistent with the laws of physics: leaving this universe. To do this, an advanced civilisation will first have to discover the laws of quantum gravity, which may or may not turn out to be string theory. These laws will be crucial in calculating several unknown factors, such as the stability of wormholes connecting us to a parallel universe, and how we will know what these parallel worlds will look like. Before leaping into the unknown, we have to know what is on the other side. But how do we make the leap? Here are some of the ways.


Find a naturally occurring wormhole
An advanced civilisation which has colonised the galaxy may have stumbled during its past explorations upon exotic, primordial left-overs from the big bang. The original expansion was so rapid and explosive that even tiny wormholes might have been stretched and blown up into macroscopic size. Wormholes, cosmic strings, negative matter, negative energy, false vacua and other exotic creatures of physics may be relics left over from creation.


But if such naturally occurring gateways are not found, then the civilisation will have to take more complex and demanding steps.


Send a probe through a black hole
Black holes, we now realise, are plentiful; there is one lurking in the centre of our own milky way galaxy weighing about 3m solar masses. Probes sent through a black hole may settle some unsolved questions. In 1963, the mathematician Roy Kerr showed that a rapidly spinning black hole will not collapse into a dot, but rather into a rotating ring, which is kept from collapsing by centrifugal forces.


All black holes are surrounded by an event horizon, or point of no return: passing through the event horizon is a one-way trip. Conceivably, two such black holes would be needed for a return trip. But to an advanced civilisation fleeing the big freeze, a one-way trip may be all that is required.


What happens if one falls through the Kerr ring is a matter for debate. Some believe that the act of entering the wormhole will close it, making it unstable. And light falling into the black hole would be blue-shifted, giving rise to the possibility that one might be fried as one passed into a parallel universe. No one knows for sure, so experiments must be done. This controversy heated up last year when Stephen Hawking admitted that he had made a mistake 30 years ago in betting that black holes gobble up everything, including information. Perhaps the information is crushed forever by the black hole, or perhaps it passes into the parallel universe on the other side of the Kerr ring. Hawking's latest thinking is that information is not totally lost. But no one believes that the final word on this delicate question has been spoken.


To gain further data on space-times which are stretched to breaking point, an advanced civilisation might create a black hole in slow motion. In 1939, Einstein analysed a rotating mass of stellar debris which was slowly collapsing under its own gravity. Although Einstein showed that this rotating mass would not collapse into a black hole, an advanced civilisation may duplicate this experiment in slow motion by collecting a swirling mass of neutron stars weighing less than about 3 solar masses and then gradually injecting extra stellar material into the mass, forcing it to undergo gravitational collapse. Instead of collapsing into a dot, it will collapse into a ring, and hence allow scientists to witness the formation of a Kerr black hole in slow motion.


Create negative energy
If Kerr rings prove to be too unstable or lethal, one might also contemplate opening up wormholes via negative matter/energy. In 1988, Kip Thorne and his colleagues at the California Institute of Technology showed that if one had enough negative matter or negative energy, one could use it to create a transversable wormhole—one in which you could pass freely back and forth between your lab and a distant point in space (and even time). Negative matter/energy would be sufficient to keep the throat of the wormhole open for travel.


Unfortunately, no one has ever seen negative matter. In principle, it should weigh less than nothing and fall up, rather than down. If it existed when the earth was created, it would have been repelled by the earth's gravity and drifted off into space.


Negative energy, however, has been seen in the laboratory in the form of the Casimir effect. Normally, the force between two uncharged parallel plates should be zero. But if quantum fluctuations outside the plates are greater than the fluctuations between the plates, a net compression force will be created. The fluctuations pushing the plates from the outside are larger than the fluctuations pushing out from within the plates, so these uncharged plates are attracted to each other.


This was first predicted in 1948 and measured in 1958. However, the Casimir energy is tiny—proportional to the inverse fourth power of the separation of the plates. To make use of the Casimir effect would require advanced technology to squeeze these parallel plates to very small separations. If one were to reshape these parallel plates into a sphere with a double lining, and use vast amounts of energy to press these spherical plates together, enough negative energy might be generated for the interior of the sphere to separate from the rest of the universe.


Another source of negative energy is laser beams. Pulses of laser energy contain "squeezed states," which contain negative as well as positive energy. The problem is separating the negative from the positive energy within the beam. Although this is theoretically possible, it is exceedingly difficult. If a sophisticated civilisation could do this, then powerful laser beams might generate enough negative energy for the sphere to peel from our universe.


Even black holes have negative energy surrounding them, near their event horizons. In principle, this may yield vast quantities of negative energy. However, the technical problems of extracting negative energy so close to a black hole are extremely tricky.


Create a baby universe
According to inflation, just a few ounces of matter might suffice to create a baby universe. This is because the positive energy of matter cancels out the negative energy of gravity. If the universe is closed, then they cancel out exactly. In some sense, the universe may be a free lunch, as Guth has emphasised. Strange as it may seem, it requires no net energy to create an entire universe. Baby universes are in principle created naturally when a certain region of space-time becomes unstable and enters a state called the "false vacuum," which destabilises the fabric of space-time. An advanced civilisation might do this deliberately by concentrating energy in a single region. This would require either compressing matter to a density of 1080g/cm3, or heating it to 1029 degrees kelvin.


To create the fantastic conditions necessary to open up a wormhole with negative energy or to create a false vacuum with positive energy, one might need a "cosmic atom-smasher." Physicists are attempting to build "table-top" accelerators that can, in principle, attain billions of electron volts on a kitchen table. They have used powerful laser beams to attain an energy acceleration of 200bn electron volts per metre, a new record. Progress is rapid, with the energy growing by a factor of ten every five years. Although technical problems still prevent a true table-top accelerator, an advanced civilisation has billions of years to perfect these and other devices.


To reach the Planck energy (1028eV) with this laser technology would require an atom-smasher ten light years long, beyond the nearest star, which would be well within the technological capabilities of a Type III civilisation. Since the vacuum of empty space is better than any vacuum attainable on the earth, the beam of subatomic particles may not need light years of tubing to contain it; it could be fired in empty space. Power stations would have to be placed along the path in order to pump laser energy into the beam, and also to focus it.


Another possibility would be to bend the path into a circle so that it fits within the solar system. Gigantic magnets could be placed on asteroids to bend and focus the beam in a circular path around the sun. The magnetic field necessary to bend the beam would be so huge that the surge of power through the coils might melt them, meaning that they could only be used once. After the beam had passed, the melted coils would have to be discarded and replaced in time for the next pass.


Build a laser implosion machine
In principle, it might be possible to create laser beams of limitless power; the only constraints are the stability of the lasing material and the energy of the power source. In the lab, terawatt (trillion watt) lasers are now common, and petawatt (quadrillion watt) lasers are slowly becoming possible (in comparison, a commercial nuclear power plant generates only a billion watts of continuous power). One can even envisage an X-ray laser powered by the output of a hydrogen bomb, which would carry unimaginable power in its beam. At the Lawrence Livermore National Laboratory, a battery of lasers is fired radially on a small pellet of lithium deuteride, the active ingredient of a hydrogen bomb, in order to tame the power of thermonuclear fusion.


An advanced civilisation might create huge laser stations on the asteroids and then fire millions of laser beams on to a single point, creating vast temperatures and pressures unimaginable today.


Send a nanobot to recreate civilisation
If the wormholes created in the previous steps are too small, too unstable, or the radiation effects too intense, then perhaps we could send only atom-sized particles through a wormhole. In this case, this civilisation may embark upon the ultimate solution: passing an atomic-sized "seed" through the wormhole capable of regenerating the civilisation on the other side. This process is commonly found in nature. The seed of an oak tree, for example, is compact, rugged and designed to survive a long journey and live off the land. It also contains all the genetic information needed to regenerate the tree.


An advanced civilisation might want to send enough information through the wormhole to create a "nanobot," a self-replicating atomic-sized machine, built with nanotechnology. It would be able to travel at near the speed of light because it would be only the size of a molecule. It would land on a barren moon, and then use the raw materials to create a chemical factory which could create millions of copies of itself. A horde of these robots would then travel to other moons in other solar systems and create new chemical factories. This whole process would be repeated over and over again, making millions upon millions of copies of the original robot. Starting from a single robot, there will be a sphere of trillions of such robot probes expanding at near the speed of light, colonising the entire galaxy.


(This was the basis of the movie 2001, probably the most scientifically accurate fictional depiction of an encounter with an extraterrestrial lifeform. Instead of meeting aliens in a flying saucer or the USS Enterprise, the most realistic possibility is that we will make contact with a robot probe left on a moon from a passing Type III civilisation. This was outlined by scientists in the opening minutes of the film, but Stanley Kubrick cut the interviews from the final edit.)


Next, these robot probes would create huge biotechnology laboratories. The DNA sequences of the probes' creators would have been carefully recorded, and the robots would have been designed to inject this information into incubators, which would then clone the entire species. An advanced civilisation may also code the personalities and memories of its inhabitants and inject this into the clones, enabling the entire race to be reincarnated.


Although seemingly fantastic, this scenario is consistent with the known laws of physics and biology, and is within the capabilities of a Type III civilisation. There is nothing in the rules of science to prevent the regeneration of an advanced civilisation from the molecular level. For a dying civilisation trapped in a freezing universe, this may be the last hope
Trip like I do
That was an awesome book! Did you read that one Hey Hey?
Trip like I do
QUOTE (Hey Hey @ Oct 13, 09:54 PM)
QUOTE (Unknown @ Oct 12, 09:14 PM)
....especially quantum fluctuations and the irratic and potentialities of various wave functions....

However many fluctuations they'll all mean nothing when the universe ends, and the next, and the next ......... and it (they) will. I predict that the end(s) will be quite predictable.

....maybe the universe is but a macroscopic quantum fluctuation of another overiding closed system....
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