Monday, June 28, 2010

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Here is a curious phenomenon reflected in the next recording. This is a golf ball which gives it a twisting motion in the direction of clockwise and then describes a new secondary rotational movement broader counterclockwise to clockwise.



do that is because this movement in the opposite direction of momentum?
EXPLANATION


In the previous post appeared a phenomenon that occurs when you spin a ball in a hole partially supported. will now be the explanation because the rotation occurs in the opposite side.

EVENT THAT MAKES THE MONEY IN contradiction

If for any reason the ball is no longer fully supported on the circumference of the hole and becomes supported one point then if the coefficient of friction is enough you can start shooting describing a secondary rotation in the opposite direction of rotation of the ball. See the following example.
This movement is produced in the previous video.


SITUATION IDEAL

Among the ball is spinning clockwise and the edges of the hole is spinning on which there is friction, ideally if the surfaces of the ball so the hole is perfectly round the y axis of rotation is perpendicular to the surface of the hole then stop turning the ball quickly to full stop while at no time be fully supported at the edges the hole.



is appreciated that under ideal conditions the velocity at each point of support is the same. Friction occurs strength and opposite direction on the surface of the ball.


it is seen that there is a turning point in the opposite direction of rotation and no net forces on the center of mass that moved from their position.


GETTING TO RELYING ON A SINGLE POINT

actual conditions differ from ideal, and the spin axis is perpendicular or objects are perfectly round. Illustration of the spin axis is twisted, in this case components of velocity and friction forces that appear tend to pull the ball from the pocket, making it at some point the ball is supported at one point and can give rise to secondary rotation described above.


However there are other mechanisms by which ball happens to be supported by a single point, the irregularities of the surfaces and forms can cause destabilizing impacts ending position of the ball, do not forget that in the experiment showed a golf ball.

Wednesday, June 23, 2010

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MODELS SCALE AND THE ENIGMA OF THE STEWARD

As knowledge has advanced in the world has gradually become clear that the everyday objects or physical systems are in turn composed of smaller parts that are the ; affect their behavior. To not have been considered minor parties that make up matter had been left out of any model of the world a considerable amount of information that has led to a loss of predictive ability.

If set
last elements to those elements that contain all the information of a physical system, then for a physical system with information provided last elements must exist. In the physical world there are some basic quantities such as speed, electric charge, mass, etc. The information that is to label all parts under one system is greater than the result of joint label formed by the parties, so the last element must be the result of fewer than one system.


UNCERTAINTY

uncertainty is defined here as the degree of deviation that has a certain calculation or prediction of a model with respect to the real situation they try to emulate. For example, a broker dedicated to technical analysis of charts of the bag has a high uncertainty because their forecasts are barely better than chance.

therefore to establish the uncertainty of a model could be based in the following scheme:

  1. Calculate the results x ^ m which gives the model for all situations i in which prentede is applied. Access
  2. a record of all results x ^ r for all situations i and compared with those obtained with the model. Calculate
  3. half or a statistical distribution of the different measures.

can propose a mathematical definition of uncertainty such as the following:




strict causality

strict causality is understood when the elements and operations from which defines the system under study to simulate with the uncertainty that emulate the physical system. For example if the universe is defined as classical mechanics, the universe would have no uncertainty and serious classical mechanics strict causality.

A strict causal model should incorporate in their model the last elements of the physical world, otherwise there would be information that would not have been contemplated. and can affect the evolution of the system. If this information loss does not affect the evolution of the physical system, it has no physical meaning and can be asserted in fact they have been taken into account the last elements to build the model. According to current science, the last element would subatomic particles. PARTIAL CAUSATION



partial causality is understood when the elements and operations from which defines the system under study to simulate with greater uncertainty than the physical system itself emulate. Within this group there are models ranging from a low uncertainty or high uncertainty, models that provide knowledge and models that contribute less or nothing at all.

SCALE OF RANDOMNESS

Suppose all experiments that can see a model and actual yield values \u200b\u200bXi, for any model whose uncertainty is greater than 0 and Xi seeks to calculate the exact figures are significant in that calculation with equal certainty to establish those numbers at random, so there is a random zone around Xi. Put simply, there are decimals in the calculation made by a model that are disposable because not manage more than chance. That is, in these cases there is a scale in which the model provides no information, this is the range of validity of the model. This scale will be greater or less depending on the model uncertainty.

If Xi are known and all results are superimposed on the same line at a point X, the chance is one area comprising half of the calculated values \u200b\u200bcloser to Xi, given that the border drawn through these points divided by 50% the results of different experiments.



TECHNICAL LIMITATIONS

At a time given the state of the art there is limited capacity for obtaining data from a system that seeks to emulate and a limited ability to evaluate these data computation according to a model.

MODELS FOR SCALES

For example, in the scale of the last items given as prior art that emulates the model can not do it on a random high number of elements, there will come a time that is needed for a new model which used some simplifications based on new definitions and standards to emulate a larger system, eliminating information that is entered in the assessment. The removal of this information should bring an increase in model uncertainty necessarily on the knowledge of the state last elements of physics and predictably knowledge about the state of the new elements conjugate.

According to the figure, although the theory being strict certainty to the practicability is limited to a sample small. At which a theory B which includes some simplifications and approximations is practicable for a larger number of elements, either because keeping the amount of information has decreased particle density and / or because the state of the art allows better access the information contained in the new conjugated elements. This theory B a C etc can happen.

MORE CHANGE SCALE MODEL

Suppose that information on the working model has the form of a vector (a, b, c. ..... n) for each element considered. Since the number of vectors would be limited and ordering these vectors would have a finite dimensional matrix. On this matrix the model performs a transformation into a resulting array. For example:


To create a larger-scale model using the previous vectors and are linearly combined (or not) for new vectors representing elements of the new model compounds. Also combining the columns that represent the new variables of this new model of larger scale. For example, the temperature variable is a combination of the columns for mass and velocity, which makes sense in a model that has also made a combination of a large number of rows to result in much less, making the total size of the matrix and the information it contains is smaller.

The result of successive iterations is that the number of rows in the matrix tends to decrease as the generation of new columns tends to increase.


THERE FOR ALL YOUR MODEL MATRIX SCIENTIFIC

may seem that at a certain time of the change of models to a larger scale need to leave the combinations of columns to find new variables could be flexible enough such " species, mountain, pulley ", however currently the voice recognition software and faces do well in their role and are based on mathematically combine and process basic physical information (color, position, pressure).

is a sufficient argument follows: since any physical system capable of doing science is ultimately reducible to its last element array, if A is the family of all sets of vectors that the system capable of understanding science as a scientific concept then there an equation whose result is 0 when evaluated solely on any of these sets of vectors that the physical system capable of doing science as a concept means. What's more, for each concept whether scientific or otherwise there is a mathematical combination that wins his column in the matrix of variables.


PILGRIM CLASSIFICATION BY SCALE MODELS IN THE NEWS

Under the provision that a larger-scale theory is adjacent to another of the parties immediately to get simpler than its elements are conjugated, missing information in the process. Can venture a classification to vote soon on some of the branches of knowledge about nature.


Monday, June 7, 2010

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A waiter with a tray of drinks is about to cross a street one-way 3 meter wide. A truck has lost a row of steel coils and head rolling down the street, at the time when the waiter was preparing to cross the street the first coil is 15 meters. The waiter has decided to cross the street and knows that the slower less soft drink do you fall. What is the length of the route that will allow cross street at the slowest speed possible without you take the coil?



Modification: It adds that the waiter did not have to know at any moment lead to more resources and have a pen and a slip with room for a couple of elementary arithmetic.

Wednesday, June 2, 2010

Lilli Carati And Rocco Siffredi

DISCUSSION OF THE PARADOX OF DOORS


In the preceding text was used a experiment to be performed should yield a result content in the following groups:

A) The register notes interference.
B) The record no interference is found.

is clear that the outcome of an experiment is one, such as result obtained by an experimenter in a given experiment can not be a bulb same bulb off and on.

was analyzed the result that might shed the experiment from two viewpoints:

A) From the viewpoint of external observer notes interference.
B) From the point of view of an internal observer finds no interference.


INTERFERENCE IMPLICATIONS OF NOTES


Suppose then that the outside observer opened the box checked that there has been interference, then start a dialogue with the internal observer which he necessarily finds that the result matches the he has gained and further that the interference pattern had been gradually approaching the final result.

But there is more, the internal observer can make the external finding the atom has never declined and B while the door has remained open all the time and that theory is out of the result. Naturally, when it appears that only one door is open there can be no interference.

So in this case, both observers can make the following assumptions, given the circumstances.


HYPOTHESIS TO FIND INTERFERENCE

I

A key interpretation crosstalk multiple stories in which a particular story will affect all the other stories possible. That is, despite the fact that internal observer sees only one door is open, there is a parallel story in which the other door that is open is producing an interference pattern between them.

This hypothesis varies on the Everett interpretation of an important issue in Everett interpretation is assumed to know the wave function obtained from measurements of the wave function is determined future, said in a flat , when the wave function collapses begins to run from that collapse. That is according to this interpretation would not have interference once the observer has found that a door is closed. To be able to explain the outcome of the experiment imply that the interpretation presented is not necessarily possible from measurements on the state of an electron For example, guess what will its wave function, since this electron would be affected by events to which there is no access. Put simply when the wave function collapses into one phase, the other modes that would otherwise be discarded interfering.

II

Without the need for multiple stories, a second hypothesis could say that since the internal observer has been defined at the time in which the outside observer had access to the results of the experiment and not before, the internal observer is not qualified to talk about what happened while the experiment was being made or order to be taken seriously their predictions. Is not a valid benchmark for forecasting. Plainly, the internal observer would be a pushover.

However there is no reason why a set of atoms such as internal observer would be better or worse physical assertions reference to another set of atoms that is the outside observer. Both two should be able to the same extent to make predictions about the experiment and therefore conclude that there is a paradox in the interference, and given that there have been no more accept the principle hypotheses I.


IMPLICATIONS OF NOTES THAT NO INTERFERENCE



This would mean that any collapse of the wave function inside the box as measured by the internal observer, represents a collapse of the wave function for the observer who is outside the box. That is, although the outside observer is not in any way by measuring what happens inside the box, not can treat the system within the enclosure as a wave function that evolves until it is collapsed by the external observer in the observation that occurs when you open the box, but the wave function of what happens inside the box is constantly collapsing and producing events even if there is an experimenter.

time the electron wave function emerging from the focus goes where the doors, the wave function associated with the doors and collapsed for all observers and so that the electron does not experience interference. This electron then collapsed on the screen when the conditions exist to do so.

SHORT LIST

In my opinion if done the experiment of the gates the result would be that there is no interference, and therefore accept that the interpretation presented in the previous paragraph is correct. One way to simplify the practical realization of the experiment would be that instead of a breakup would be the detection of the direction of spin of an electron belonging to a pair of electrons of opposite spins.