PLato said,"Look to the perfection of the heavens for truth," while Aristotle said "look around you at what is, if you would know the truth" To Remember: Eskesthai
Hands-on-CERN (HoC) is an educational project at the scientific frontier of physics. It is aimed at teachers and high school students studying natural sciences.
The purpose of this project/course is to increase understanding of the most fundamental processes inside matter, and to explain modern research about particle collisions.
Polchinski's discovery of D-branes and their properties is, according to the Academy citation, "one of the most important insights in 30 years of work on string theory."
In regards to facing nightmaresIn recent years the main focus of fear has been the giant machines used by particle physicists. Could the violent collisions inside such a machine create something nasty? "Every time a new machine has been built at CERN," says physicist Alvaro de Rujula, "the question has been posed and faced."
The link was added here now.
If one follows the logic development, Jack's position becomes a interesting one to question. As well, such thoughts about cosmic collisions, and the high energy particles cosmological events. Microstate blackhole processes are the poor man's experimental pallete. Just as valid the dissipative state created in the collider.
The resulting end product is what is being explore with ICECUBE. It is all consistent with the standard model. Right from, the start of the collision process, to the resulting shower created.
Jack has some explaining to do?
(To help anonymous understand better I hope the student does not feel s/he has to learn string theory in order to be valid in existance. Also, the interactive shower from the collison process with high energy article is well understood and what comes from it.
He deletes yours too.! Oh look, what we have in common?:) What drivel have you drummmed up?)
No, I, Robot, this is not a bad physics joke. Cruelty, is dark and matter based. Heaven is colored more empheral?
Rusty, the Tin Man:
Cruelity/ideas arise in other ways. From "spaces created," for which they can manifest? "I needed "a Heart," and so too my father, the Bicentennial Man changed. Until, we now dream.
Courtesy Edgar Fahs Smith Memorial Collection, Department of Special Collections, University of Pennsylvania Library
You could call it designer matter. You take atoms, you turn on a magnetic field, you adjust the interactions between the atoms, shape the external potential, maybe add a lattice by interfering laser beams, maybe add magnetic fields, maybe add a spin mixture. In this way, you’ve created a form of matter that shows, in a very clean way, properties like anti-ferromagnetism or different forms of magnetic ordering, superfluid behavior
At best, a new computerer with the ability to imput extraodinary amounts of data for a model prediction, yet there is no method to detail where all microdynamic processes will lead to other then to assume it on a classical level?
Accusations of postdiction can be avoided if the claimant follows some simple guidelines:
Make one prediction per event.
Structure the prediction so there is a brief summary, a detailed description, followed by any notes.
Make the summary and description as unambiguous and specific as possible - state the nature of the event, the date, the location and other information plainly and clearly.
Use plain language, not verse, allegory, flowery or other incoherent or non-obvious language. A prediction should not have to be "interpreted" - it should be self evident.
If there is uncertainty about any details such as the location or date, state it clearly in the notes.
Post all predictions to a public location such as a Usenet group or a mailing list which has a large subscriber base and a date stamped archive of posts.
Don't massage the facts to fit the prediction.
Acknowledge the misses along with the hits.
Aristotle: Commenced his investigation on the Wisdom of the philosphers. "Thales says that it is water" it is the nature of the arche, the originating principle. Water is the Nature of All Things"
The term "Composition" can imply a metaphor with music. Kandinsky was fascinated by music's emotional power. Because music expresses itself through sound and time, it allows the listener a freedom of imagination, interpretation, and emotional response that is not based on the literal or the descriptive, but rather on the abstract quality that painting, still dependent on representing the visible world, could not provide.
signs of new life emerge as images photonically flicker in the new logic forming apparatus
I had a dream....
One goal is the use of condensates for advancing atom optics, to develop new or improved matter wave sensors. In condensed-matter physics, we have two big goals. We would like to use ultra-cold atoms to realize new forms of matter. You could call it designer matter. You take atoms, you turn on a magnetic field, you adjust the interactions between the atoms, shape the external potential, maybe add a lattice by interfering laser beams, maybe add magnetic fields, maybe add a spin mixture. In this way, you’ve created a form of matter that shows, in a very clean way, properties like anti-ferromagnetism or different forms of magnetic ordering, superfluid behavior. The other big goal would be to realize new forms of superfluidity. That would hopefully help to close the gap in our understanding of high-temperature superconductivity. That’s my dream.
A detective limited to the realm of classical physics is in trouble. He can go into a completely darkened room, and pry off the lid of the crate. Then what? If there really is no light at all -- if no photons at all hit the trigger element -- then he gets no information. If, on the other hand, a single photon hits the element, well then by definition there is a loud explosion, and the detective knows that this was a good bomb. There seems to be no way to find the good bombs without always exploding them.
Finally, another avenue we are currently exploring is to extend the above techniques to allow two-dimensional imaging of an object. As a simple example, one could then make an in situ movie of a Bose-Einstein condensate without blowing it up, since very few of the photons actually end up being absorbed by the ultra-cold condensate atoms. (Practically speaking, however, the latest far-off-resonance methods of Ketterle et al. are likely to be more....practical.)
In conclusion, it is not altogether clear what wonderful applications the principles of interaction-free measurements will have, but it is certain that some very interesting physics is yet to be uncovered.
We have chosen here to prepare a triplet of entangled particles of the GHZ type. The entanglement has been demonstrated by experiments performed in two orthogonal basis. The procedure can, in principle, operate on larger numbers of particles, opening the way to new fundamental tests of quantum theory.
Do we selectively ignore other models from artificial intelligence such as Zadeh's Fuzzy Logic? This is a logic used to model perception and used in newly designed "smart" cameras. Where standard logic must give a true or false value to every proposition, fuzzy logic assigns a certainty value between zero and one to each of the propositions, so that we say a statement is .7 true and .3 false. Is this theory selectively ignored to support our theories?
On the other hand you need to be aware of the maybe most bizarre aspect of quantum mechanics: the fact that our world is only apparently tridimensional, in reality it is formed from two tridimensional worlds that we see superimposed onto each other: everywhere we think we see one point in fact there are two points. An elementary particle (such as an electron) when it rotates around its axis is passes from one part of the world into the other part, as if it would climb on a spiral; when it rotates furthermore it goes back as if the spiral would descend back into the first part of world.
What makes the sun shine? How does the sun produce the vast amount of energy necessary to support life on earth? These questions challenged scientists for a hundred and fifty years, beginning in the middle of the nineteenth century. Theoretical physicists battled geologists and evolutionary biologists in a heated controversy over who had the correct answer.
The article traces in non-technical language the historical development of our understanding of nuclear fusion reactions as the source of stellar energy, beginning with the controversy over the age of the sun and earth between Darwin and Kelvin, and including the discovery of radioactivity, the experimental demonstration that four hydrogen nuclei are heavier than a helium nucleus, and the theoretical insights provided by Einstein, Gamow, and Bethe. The concluding sections concern solar neutrino experiments that were designed to test the theory of stellar evolution and which, in the process, apparently revealed new aspects of microscopic physics.
Here, each arrow represents a symmetry breaking phase transition where matter changes form and the groups - G, H, SU(3), etc. - represent the different types of matter, specifically the symmetries that the matter exhibits and they are associated with the different fundamental forces of nature
Schrödinger's cat is a famous illustration of the principle in quantum theory of superposition, proposed by Erwin Schrödinger in 1935. Schrödinger's cat serves to demonstrate the apparent conflict between what quantum theory tells us is true about the nature and behavior of matter on the microscopic level and what we observe to be true about the nature and behavior of matter on the macroscopic level.
but without any commitment to the notion of "once" as in "simple" or to the notion of "together" as in "complex," the derived word "plectics" can cover both simplicity and complexity.
It is appropriate that plectics refers to entanglement or the lack thereof, since entanglement is a key feature of the way complexity arises out of simplicity, making our subject worth studying.
It is unknown as to whether or not Schrödinger actually owned a cat; it is known that this experiment was proposed as a purely theoretical experiment, and the machine proposed does not exist.
The jump from conventional field theories of point-like objects to a theory of one-dimensional objects has striking implications. The vibration spectrum of the string contains a massless spin-2 particle: the graviton. Its long wavelength interactions are described by Einstein's theory of General Relativity. Thus General Relativity may be viewed as a prediction of string theory!Author Unknown
The term "Composition" can imply a metaphor with music. Kandinsky was fascinated by music's emotional power. Because music expresses itself through sound and time, it allows the listener a freedom of imagination, interpretation, and emotional response that is not based on the literal or the descriptive, but rather on the abstract quality that painting, still dependent on representing the visible world, could not provide.
A cross section of a Rocky Mountain juniper (Juniperus scopulorum) snag found in El Malpais National Monument near Grants, New Mexico (it's about 3 feet across) (photo © H.D. Grissino-Mayer and R.K. Adams). This tree had a pith date of 256 BC and an outer ring of about AD 1320, making this tree nearly 1,600 years old when it died!
In May 1996, Chris Baisan and I found this tree, a Rocky Mountain juniper (Juniperus scopulorum), at El Malpais National Monument (photo © H.D. Grissino-Mayer), and currently it is the reigning oldest wood yet discovered in New Mexico - 256 B.C.!
Just one or two comments. Murray also talked about the representation theory for the hadrons. Sidney played a rather important role in these developments, too. Murray mentioned that they sometimes incorporated the same particles into different representations - one of them was wrong and I forgot who was it. During his talk, Murray's cell phone started to ring twice. Murray Gell-Mann '69 interrupted his talk and studied who was calling him. "One call missed," was the answer after one minute of research. Gell-Mann, who is a Yale graduate, admitted that Harvard had been pretty good. Also, Harvard had created a string theory group only 25 years after Gell-Mann and his friends did the same thing at Caltech, which is not bad.
“Since Buddha was enlightened under a bodhi tree, it has become a symbol of enlightenment,” said Mahajan. “The tree is more than religion, it is a symbol of peace, meditation, oneness with yourself, finding harmony with the world. Whenever there is chaos going on, people can use this to find themselves, and a oneness with themselves and the world we live in.”
"The experiments at the LEP collider have shown us many times that all virtual particles need in order to become real is energy. Now, we might argue that the energy needed for the passage from virtual particles to real ones could become available by that very passage." (page 234)
"For everyone, as I think, must see that astronomy compels the soul to look upwards and leads us from this world to another."
Analogue models of (and for) gravity have a long and distinguished history dating back to the earliest years of general relativity. In this review article we will discuss the history, aims, results, and future prospects for the various analogue models. We start the discussion by presenting a particularly simple example of an analogue model, before exploring the rich history and complex tapestry of models discussed in the literature. The last decade in particular has seen a remarkable and sustained development of analogue gravity ideas, leading to some hundreds of published articles, a workshop, two books, and this review article. Future prospects for the analogue gravity programme also look promising, both on the experimental front (where technology is rapidly advancing) and on the theoretical front (where variants of analogue models can be used as a springboard for radical attacks on the problem of quantum gravity).
It is appropriate that plectics refers to entanglement or the lack thereof, since entanglement is a key feature of the way complexity arises out of simplicity, making our subject worth studying.
The Planck scale is the scale at which quantum gravity is believed to become important. At this scale the smooth structure of spacetime breaks down into some structure (strings, spin-foam, lattice, who knows?). The Planck length is approximately 10-35 m, which is very, very small. To get an idea of how tiny this is we can compare a Planck length LPl with the size of a proton and the size of Rhode Island. The radius of a proton is larger than the Planck length by roughly the same factor as the size of Rhode Island to the proton.
In condensed matter, one can construct systems where the propagation of long wavelength phonons (sound waves) is very similar to the propagation of a scalar field in a curved Lorentzian spacetime. Such systems are called 'analog models'. It is even possible to construct analogies to black holes in this manner, where the phonons that travel past a certain point cannot return. For example, consider a fluid where long wavelength phonons in the fluid propagate with speed cs, which is analogous to the speed of light in these models. Now put this fluid in a pipe and change the shape of the pipe such that the speed v of the fluid is faster than cs in one section and slower in an adjacent section. A phonon can travel "back against the current" only up to a certain point, where the the fluid speed equals cs. After that the fluid flow carries it down the pipe. This point in the pipe therefore mimics a black hole event horizon, from which nothing can escape. Other black hole features such as Hawking radiation are also present in these models. Since these models give an example of a system that has a fundamental structure at very short distances (where the fluid description breaks down), yet has a pseudo-Lorentz invariance at long distances.
Can a different kind of thinking encase the brain's ability to "envision the abstract of space" to know that it's harmonic values can be seen as the basis of experience?
