Paul Dennithorne Johnston. E-Primer: A Tutorial on E-Prime. (MS-DOS version) Distributed by The I... more Paul Dennithorne Johnston. E-Primer: A Tutorial on E-Prime. (MS-DOS version) Distributed by The International Society for General Semantics, Concord, CA. 1992. In his program E-Primer Paul Dennithorne Johnston has created an engaging way for students to acquaint themselves with the E-Prime approach to writing. E-Prime removes the verb "to be" from language in hopes of making E-Prime speakers and writers more aware of the assumptions about reality built into normal human communications. The E-Primer program provides many examples of E-Prime versions of English language sentences. It also offers ample opportunity for students to practice writing their own sentences in E-Prime, and gives some limited feedback. The program emphasizes the use of E-Prime, spending relatively little time with its history or justification. I applaud this use of resources. Johnston apparently realizes that students tend not to learn much from computer screens full of abstract text and leaves detailed explanations of general semantics and E-Prime to the classroom teacher. He has set a more modest goal for his program, and I feel he has achieved that goal -- to give students an experiential introduction to writing in E-Prime. E-Primer begins with the assumption that users have never heard of E-Prime. First they read a few simple sentences, presented in both "Ordinary English" and E-Prime versions. Then users try to translate a sentence into E-Prime, with "Hint: Do not use the word IS." After an attempt, the program's version of the sentence appears for comparison. The program doesn't give the user feedback at this point, nor does it present a general rule for writing in E-Prime until completion of all examples. The program then presents the rule and a brief rationale in a simple form: * Notice how E-Prime avoids verbs of the TO BE family * E-Prime helps you avoid dull writing because you can't use passive verbs * E-Prime also helps you avoid fixed ideas Then the program presents all of the student's sentences set against Johnston's E-Prime versions. Again, Johnston expects students to assess their own sentences at this point -- the program doesn't highlight TO BE usages yet. Following sections present many more examples, using humor to engage students so that they don't rush through the program without reading the screens. I found that the section labeled Murder Mystery helped me the most. Here the student gets the opportunity to write in E-Prime with immediate feedback. …
El conocido astrofísico Carl Sagan comentaba: "Vivimos en una sociedad profundamente dependiente ... more El conocido astrofísico Carl Sagan comentaba: "Vivimos en una sociedad profundamente dependiente de la ciencia y la tecnología en la que nadie sabe nada de estos temas. Ello constituye una fórmula segura para el desastre". Sobretodo cuando este conocimiento científico y tecnológico proviene del electromagnetismo. Es conocido que los orígenes del electromagnetismo se remontan a los experimentos de Oersted, pero casi nadie conoce la gran contribución que efectuo Francesc Aragó al desarrollo del electromagnetismo. En este articulo demostramos que los experimentos de Aragó contribuyeron de forma decisiva al pensamiento teórico de André Marie Ampere. Culminando en el experimento decisivo del disco de Aragó, donde se muestra el magnetismo de rotación, precursor del disco de Faraday y origen de la tecnología electromagnética. Los acontecimientos históricos, al igual que la ciencia, están sometidos al principio de causalidad, hay un antes y un después, una causa y un efecto. La invención de la pila de Alessandro Volta, a comienzos de 1800, fue la causa de los nuevos descubrimientos en electromagnetismo, que se inician con el disco de Aragó hacia el 1825. Provocando que el siglo XIX fuera el siglo de las ciencias físicas y el lanzamiento de una nueva revolución científica, la revolución de las máquinas eléctricas. Por los escritos que a menudo circulan dentro de los ámbitos científicos, Francesc Aragó no es recordado en la historia de la ciencia como se merece. Se le relaciona en ciencia como hábil astrónomo y como un colaborador de Fresnel y Fizeau. Incluso con el experimento de la medida de la velocidad de la luz, que daría paso, más tarde, a la teoría de la relatividad. También es conocido como personaje público dentro del gobierno francés de la revolución de 1848. Sin embargo no suelen encontrarse escritos sobre su talante científico. En cambio, es sin duda el personaje más conocido en su época, dentro y fuera de Francia, por el descubrimiento del disco que lleva su nombre, el disco de Aragó. Disco que abre la puerta al camino del electromagnetismo, al disco de Faraday y a la teoría de la relatividad. Aragó estaba dotado de una gran cultura científica, de una gran curiosidad intelectual y de una destreza manual envidiable. Asimismo poseía una atractiva capacidad oratoria. Encontró el tiempo necesario para interesarse en la astronomía, geofísica, meteorología, termodinámica, óptica, fotografía y electromagnetismo, destacando enormemente en este último campo científico. Desarrolló una larga carrera científica de 1805 hasta su muerte en 1853. Se debe tener en cuenta que en la Francia de mediados del siglo XIX ya existía una fuerte tradición científica, debido sobre todo a la presencia de grandes instituciones Ilustración 1: Francesc Aragó i Roig
Smart innovation, systems and technologies, Aug 18, 2018
Inertial sensors for analysing some biomechanics conditions have long been studied in the medical... more Inertial sensors for analysing some biomechanics conditions have long been studied in the medical and sports fields. In order to improve any qualitative assessment related to detecting the degree of injury and the range of motion in the cervical area, the system needs to be robust enough. It is important to detect purposefully altered data, reduce subjective variables effect (such as pain or discomfort) and accurately determine the impairment or dysfunction levels. The first aim of this work was to produce a multi-sensor database for the cervical area by gathering data from an inertial system, from an EEG head-set and from a thermographic camera. This complete set of information can provide further insight when researchers try to develop an objective diagnostic algorithm or improve intelligent diagnostic systems.
Advances in Neural Networks: Computational and Theoretical Issues, 2015
Parkinson's disease (PD) is the second most frequent neurodegenerative disease with prevalence am... more Parkinson's disease (PD) is the second most frequent neurodegenerative disease with prevalence among general population reaching 0.1-1 %, and an annual incidence between 1.3-2.0/10000 inhabitants. The mean age at diagnosis of PD is 55 and most patients are between 50 and 80 years old. The most obvious symptoms are movement-related; these include tremor, rigidity, slowness of movement and walking difficulties. Frequently these are the symptoms that lead to the PD diagnoses. Later, thinking and behavioral problems may arise, and other symptoms include cognitive impairment and sensory, sleep and emotional problems. In this paper we will present an ongoing project that will evaluate if voice and handwriting analysis can be reliable predictors/indicators of swallowing and balance impairments in PD. An important advantage of voice and handwritten analysis is its low intrusiveness and easy implementation in clinical practice. Thus, if a significant correlation between these simple analyses and the gold standard video-fluoroscopic analysis will imply simpler and less stressing diagnostic test for the patients as well as the use of cheaper analysis systems.
A new experiment on unipolar induction has been designed and built by topologically modifying the... more A new experiment on unipolar induction has been designed and built by topologically modifying the structure of the Faraday disk. The metamorphosis consists of replacing the magnet with a solenoid, with the same axis of rotation as the disc, and connected in series with a radial conductor, which replaces the disc. This resulting shape has been called G Coil, due to the shape similar to the letter G that the device forms. This experiment demonstrates the viability of a new electrical machine that works as a motor without the need for any external magnetic field. Working at low voltages and high currents.
Se ha diseñado y construido un nuevo experimento sobre la inducción unipolar modificando topológi... more Se ha diseñado y construido un nuevo experimento sobre la inducción unipolar modificando topológicamente la estructura del disco de Faraday. La metamorfosis consiste en la sustitución del imán por un solenoide, con el mismo eje de rotación que el disco, y conectado en serie con un conductor radial, que sustituye al disco. A esta forma resultante se le ha denominado Espira G, por la forma parecida a la letra G que forma el dispositivo. Con este experimento se demuestra la viabilidad de una nueva máquina eléctrica que funciona como motor sin necesidad de ningún campo magnético externo. Trabajando en bajas tensiones y altas intensidades.
Los puntos de Lagrange son esencialmente puntos en el espacio con un determinado equilibrio. Dond... more Los puntos de Lagrange son esencialmente puntos en el espacio con un determinado equilibrio. Donde pueden aparcarse satélites o telescopios de observación en una orbita más o menos estable. La determinación de estos puntos de Lagrange corresponde al problema gravitatorio de tres cuerpos, difícil de resolver de forma analítica. Sin embargo para los puntos L1 y L2 se puede asignar una formula determinada a partir de unas determinadas simplificaciones, que según las condiciones dadas en el sistema Sol-Tierra y Tierra-Luna dan lugar a un resultado aceptable.
It is a mistake to believe that the primitive experiments, known as the origin of the physical sc... more It is a mistake to believe that the primitive experiments, known as the origin of the physical sciences, have been sufficiently studied and therefore it is impossible to extract from them some new and important knowledge. This view has contributed to the perpetuation of some misconceptions. The study of such experiments from other points of view, and applying new techniques, makes it possible to expand their meaning and understanding. Einstein must have thought this way since in 1905 decided to study the Faraday disk and, by doing so, discovered the theory of relativity, according to which the magnetic field is a consequence of the relative motion of different signs electric charges. The verifications of the theory of general relativity by cosmological experiments have led to the belief that the special relativity theory is irrelevant in terrestrial dimensions and speed. Therefore, it is important to correct this error by simple laboratory experiments, whose explanation is only possible by using special relativity theory.
La ley de relación del transformador es una ley propiamente electromagnética, que surge como cons... more La ley de relación del transformador es una ley propiamente electromagnética, que surge como consecuencia de la aplicación de la inducción electromagnética entre el circuito eléctrico primario y el circuito eléctrico secundario. En este articulo proponemos una nueva demostración de la relación del transformador sin necesidad de recurrir a la inducción electromagnética e incluso sin recurrir a principios electromagnéticos. Deducimos la ley a partir de principios mecánicos fundamentales, como es la ley de conservación del momento angular. Con todo esto demostramos que la ley del transformador es consecuencia de un fenómeno inercial.
Easy experiments carried out in the dawn of electromagnetism are still being a reason for scienti... more Easy experiments carried out in the dawn of electromagnetism are still being a reason for scientific articles, because its functioning contradicts some laws and rules of electromagnetic theory. Although these experiments led Einstein to discover the relativistic electrodynamics and explained its working, the scientific community had not understood this. They see in these experiments a proof against relativity and prefer to look for the solution in the electromagnetics’ theory or accept that their are an exception. By means of a long and detailed experimental study with a new design in electromagnetic engines and improvements of these experiments that we call relativistic electrodynamics turbine, we managed to explain its working using relativistic electrodynamics. The revision of these experiments had taken us to discover the real law of induction, which does not have any exceptions. The explanation of the relativistic electrodynamics turbine led us to discard the Faraday induction ...
It is a mistake to believe that the primitive experiments, known as the origin of the physical sc... more It is a mistake to believe that the primitive experiments, known as the origin of the physical sciences, have been sufficiently studied and therefore it is impossible to extract from them some new and important knowledge. This view has contributed to the perpetuation of some misconceptions. The study of such experiments from other points of view, and applying new techniques, makes it possible to expand their meaning and understanding. Einstein must have thought this way since in 1905 decided to study the Faraday disk and, by doing so, discovered the theory of relativity, according to which the magnetic field is a consequence of the relative motion of different signs electric charges. The verifications of the theory of general relativity by cosmological experiments have led to the belief that the special relativity theory is irrelevant in terrestrial dimensions and speed. Therefore, it is important to correct this error by simple laboratory experiments, whose explanation is only poss...
The aim of this work is to produce a classification system to assess cervical injury from a multi... more The aim of this work is to produce a classification system to assess cervical injury from a multi-sensor database. This is a database that has never been gathered before, with data coming from three different sensors: inertial, EEG, and thermography. How well these sensors help to build a good model and which right features influence the response variable are key to a better understanding of the link between sensor data and the presence of a cervical injury. There is an additional data set related to the user/patient (a survey) that will provide us with a different view and a baseline to compare with the sensor data. Both data sets are characterized by few observations and many variables, such that feature selection or feature engineering is crucial to success in building a good classification system. The approach used with both data sets is penalized logistic regression. This type of models helps in the selection of the best features and also prevents overfitting by adding a penalized term over the coefficients in the objective function. To verify the ability of each data set, a k-fold cross-validation was carried out with promising results for both the sensor and survey data sets. Results demonstrate an accuracy of up to 70%, which gives a good starting point to encourage increasing the size of the database with more patients. A final discussion highlights the importance of never underestimating the information provided by the patients.
The transformer relation is an electromagnetic law that arises as a consequence of the applicatio... more The transformer relation is an electromagnetic law that arises as a consequence of the application of the electromagnetic induction between the primary and secondary electrical circuit. In this article we propose a relation transformer new demonstration without needing to resort to electromagnetic induction and even without resorting to electromagnetic principles. We deduce the law from fundamental mechanical principles, such as the law of conservation of angular momentum. With all this we show that the law of the transformer is the consequence of an inertial phenomenon
There are theories related to the time dependence of the speed of light that predict that the spe... more There are theories related to the time dependence of the speed of light that predict that the speed of light is not constant but depends on the time. But they are not verifiable or demonstrable physically or mathematically with concrete results. In this study, based on simple assumptions on the microwave background and thermal electrons, a model of the time varying speed of light is presented, which is fully compatible with currently accepted results for the speed of light and the Hubble constant theories. I. Energy density of space Based on the idea of space as a continuum, the speed of light can be considered as a disturbance in this space, the same way as a wave is considered a disturbance on a rope. If we associate the concept of speed of light as the speed on a stretched string of length l and mass m, we can establish the following c = √ F μ = √ F m l = √ Fl m = √ E m = √ ρm Obviously, the following relationship is also obtained: E = mc2 The energy density of space depends on t...
El conocido astrofisico Carl Sagan comentaba: “Vivimos en una sociedad profundamente dependiente ... more El conocido astrofisico Carl Sagan comentaba: “Vivimos en una sociedad profundamente dependiente de la ciencia y la tecnologia en la que nadie sabe nada de estos temas. Ello constituye una formula segura para el desastre”. Sobretodo cuando este conocimiento cientifico y tecnologico proviene del electromagnetismo. Es conocido que los origenes del electromagnetismo se remontan a los experimentos de Oersted, pero casi nadie conoce la gran contribucion que efectuo Francesc Arago al desarrollo del electromagnetismo. En este articulo demostramos que los experimentos de Arago contribuyeron de forma decisiva al pensamiento teorico de Andre Marie Ampere. Culminando en el experimento decisivo del disco de Arago, donde se muestra el magnetismo de rotacion, precursor del disco de Faraday y origen de la tecnologia electromagnetica.
Easy experiments carried out in the dawn of electromagnetism are still being a reason for scienti... more Easy experiments carried out in the dawn of electromagnetism are still being a reason for scientific articles, because its functioning contradicts some laws and rules of electromagnetic theory. Although these experiments led Einstein to discover the relativistic electrodynamics and explained its working, the scientific community had not understood this. They see in these experiments a proof against relativity and prefer to look for the solution in the electromagnetics’ theory or accept that their are an exception. By means of a long and detailed experimental study with a new design in electromagnetic engines and improvements of these experiments that we call relativistic electrodynamics turbine, we managed to explain its working using relativistic electrodynamics. The revision of these experiments had taken us to discover the real law of induction, which does not have any exceptions. The explanation of the relativistic electrodynamics turbine led us to discard the Faraday induction ...
Paul Dennithorne Johnston. E-Primer: A Tutorial on E-Prime. (MS-DOS version) Distributed by The I... more Paul Dennithorne Johnston. E-Primer: A Tutorial on E-Prime. (MS-DOS version) Distributed by The International Society for General Semantics, Concord, CA. 1992. In his program E-Primer Paul Dennithorne Johnston has created an engaging way for students to acquaint themselves with the E-Prime approach to writing. E-Prime removes the verb "to be" from language in hopes of making E-Prime speakers and writers more aware of the assumptions about reality built into normal human communications. The E-Primer program provides many examples of E-Prime versions of English language sentences. It also offers ample opportunity for students to practice writing their own sentences in E-Prime, and gives some limited feedback. The program emphasizes the use of E-Prime, spending relatively little time with its history or justification. I applaud this use of resources. Johnston apparently realizes that students tend not to learn much from computer screens full of abstract text and leaves detailed explanations of general semantics and E-Prime to the classroom teacher. He has set a more modest goal for his program, and I feel he has achieved that goal -- to give students an experiential introduction to writing in E-Prime. E-Primer begins with the assumption that users have never heard of E-Prime. First they read a few simple sentences, presented in both "Ordinary English" and E-Prime versions. Then users try to translate a sentence into E-Prime, with "Hint: Do not use the word IS." After an attempt, the program's version of the sentence appears for comparison. The program doesn't give the user feedback at this point, nor does it present a general rule for writing in E-Prime until completion of all examples. The program then presents the rule and a brief rationale in a simple form: * Notice how E-Prime avoids verbs of the TO BE family * E-Prime helps you avoid dull writing because you can't use passive verbs * E-Prime also helps you avoid fixed ideas Then the program presents all of the student's sentences set against Johnston's E-Prime versions. Again, Johnston expects students to assess their own sentences at this point -- the program doesn't highlight TO BE usages yet. Following sections present many more examples, using humor to engage students so that they don't rush through the program without reading the screens. I found that the section labeled Murder Mystery helped me the most. Here the student gets the opportunity to write in E-Prime with immediate feedback. …
El conocido astrofísico Carl Sagan comentaba: "Vivimos en una sociedad profundamente dependiente ... more El conocido astrofísico Carl Sagan comentaba: "Vivimos en una sociedad profundamente dependiente de la ciencia y la tecnología en la que nadie sabe nada de estos temas. Ello constituye una fórmula segura para el desastre". Sobretodo cuando este conocimiento científico y tecnológico proviene del electromagnetismo. Es conocido que los orígenes del electromagnetismo se remontan a los experimentos de Oersted, pero casi nadie conoce la gran contribución que efectuo Francesc Aragó al desarrollo del electromagnetismo. En este articulo demostramos que los experimentos de Aragó contribuyeron de forma decisiva al pensamiento teórico de André Marie Ampere. Culminando en el experimento decisivo del disco de Aragó, donde se muestra el magnetismo de rotación, precursor del disco de Faraday y origen de la tecnología electromagnética. Los acontecimientos históricos, al igual que la ciencia, están sometidos al principio de causalidad, hay un antes y un después, una causa y un efecto. La invención de la pila de Alessandro Volta, a comienzos de 1800, fue la causa de los nuevos descubrimientos en electromagnetismo, que se inician con el disco de Aragó hacia el 1825. Provocando que el siglo XIX fuera el siglo de las ciencias físicas y el lanzamiento de una nueva revolución científica, la revolución de las máquinas eléctricas. Por los escritos que a menudo circulan dentro de los ámbitos científicos, Francesc Aragó no es recordado en la historia de la ciencia como se merece. Se le relaciona en ciencia como hábil astrónomo y como un colaborador de Fresnel y Fizeau. Incluso con el experimento de la medida de la velocidad de la luz, que daría paso, más tarde, a la teoría de la relatividad. También es conocido como personaje público dentro del gobierno francés de la revolución de 1848. Sin embargo no suelen encontrarse escritos sobre su talante científico. En cambio, es sin duda el personaje más conocido en su época, dentro y fuera de Francia, por el descubrimiento del disco que lleva su nombre, el disco de Aragó. Disco que abre la puerta al camino del electromagnetismo, al disco de Faraday y a la teoría de la relatividad. Aragó estaba dotado de una gran cultura científica, de una gran curiosidad intelectual y de una destreza manual envidiable. Asimismo poseía una atractiva capacidad oratoria. Encontró el tiempo necesario para interesarse en la astronomía, geofísica, meteorología, termodinámica, óptica, fotografía y electromagnetismo, destacando enormemente en este último campo científico. Desarrolló una larga carrera científica de 1805 hasta su muerte en 1853. Se debe tener en cuenta que en la Francia de mediados del siglo XIX ya existía una fuerte tradición científica, debido sobre todo a la presencia de grandes instituciones Ilustración 1: Francesc Aragó i Roig
Smart innovation, systems and technologies, Aug 18, 2018
Inertial sensors for analysing some biomechanics conditions have long been studied in the medical... more Inertial sensors for analysing some biomechanics conditions have long been studied in the medical and sports fields. In order to improve any qualitative assessment related to detecting the degree of injury and the range of motion in the cervical area, the system needs to be robust enough. It is important to detect purposefully altered data, reduce subjective variables effect (such as pain or discomfort) and accurately determine the impairment or dysfunction levels. The first aim of this work was to produce a multi-sensor database for the cervical area by gathering data from an inertial system, from an EEG head-set and from a thermographic camera. This complete set of information can provide further insight when researchers try to develop an objective diagnostic algorithm or improve intelligent diagnostic systems.
Advances in Neural Networks: Computational and Theoretical Issues, 2015
Parkinson's disease (PD) is the second most frequent neurodegenerative disease with prevalence am... more Parkinson's disease (PD) is the second most frequent neurodegenerative disease with prevalence among general population reaching 0.1-1 %, and an annual incidence between 1.3-2.0/10000 inhabitants. The mean age at diagnosis of PD is 55 and most patients are between 50 and 80 years old. The most obvious symptoms are movement-related; these include tremor, rigidity, slowness of movement and walking difficulties. Frequently these are the symptoms that lead to the PD diagnoses. Later, thinking and behavioral problems may arise, and other symptoms include cognitive impairment and sensory, sleep and emotional problems. In this paper we will present an ongoing project that will evaluate if voice and handwriting analysis can be reliable predictors/indicators of swallowing and balance impairments in PD. An important advantage of voice and handwritten analysis is its low intrusiveness and easy implementation in clinical practice. Thus, if a significant correlation between these simple analyses and the gold standard video-fluoroscopic analysis will imply simpler and less stressing diagnostic test for the patients as well as the use of cheaper analysis systems.
A new experiment on unipolar induction has been designed and built by topologically modifying the... more A new experiment on unipolar induction has been designed and built by topologically modifying the structure of the Faraday disk. The metamorphosis consists of replacing the magnet with a solenoid, with the same axis of rotation as the disc, and connected in series with a radial conductor, which replaces the disc. This resulting shape has been called G Coil, due to the shape similar to the letter G that the device forms. This experiment demonstrates the viability of a new electrical machine that works as a motor without the need for any external magnetic field. Working at low voltages and high currents.
Se ha diseñado y construido un nuevo experimento sobre la inducción unipolar modificando topológi... more Se ha diseñado y construido un nuevo experimento sobre la inducción unipolar modificando topológicamente la estructura del disco de Faraday. La metamorfosis consiste en la sustitución del imán por un solenoide, con el mismo eje de rotación que el disco, y conectado en serie con un conductor radial, que sustituye al disco. A esta forma resultante se le ha denominado Espira G, por la forma parecida a la letra G que forma el dispositivo. Con este experimento se demuestra la viabilidad de una nueva máquina eléctrica que funciona como motor sin necesidad de ningún campo magnético externo. Trabajando en bajas tensiones y altas intensidades.
Los puntos de Lagrange son esencialmente puntos en el espacio con un determinado equilibrio. Dond... more Los puntos de Lagrange son esencialmente puntos en el espacio con un determinado equilibrio. Donde pueden aparcarse satélites o telescopios de observación en una orbita más o menos estable. La determinación de estos puntos de Lagrange corresponde al problema gravitatorio de tres cuerpos, difícil de resolver de forma analítica. Sin embargo para los puntos L1 y L2 se puede asignar una formula determinada a partir de unas determinadas simplificaciones, que según las condiciones dadas en el sistema Sol-Tierra y Tierra-Luna dan lugar a un resultado aceptable.
It is a mistake to believe that the primitive experiments, known as the origin of the physical sc... more It is a mistake to believe that the primitive experiments, known as the origin of the physical sciences, have been sufficiently studied and therefore it is impossible to extract from them some new and important knowledge. This view has contributed to the perpetuation of some misconceptions. The study of such experiments from other points of view, and applying new techniques, makes it possible to expand their meaning and understanding. Einstein must have thought this way since in 1905 decided to study the Faraday disk and, by doing so, discovered the theory of relativity, according to which the magnetic field is a consequence of the relative motion of different signs electric charges. The verifications of the theory of general relativity by cosmological experiments have led to the belief that the special relativity theory is irrelevant in terrestrial dimensions and speed. Therefore, it is important to correct this error by simple laboratory experiments, whose explanation is only possible by using special relativity theory.
La ley de relación del transformador es una ley propiamente electromagnética, que surge como cons... more La ley de relación del transformador es una ley propiamente electromagnética, que surge como consecuencia de la aplicación de la inducción electromagnética entre el circuito eléctrico primario y el circuito eléctrico secundario. En este articulo proponemos una nueva demostración de la relación del transformador sin necesidad de recurrir a la inducción electromagnética e incluso sin recurrir a principios electromagnéticos. Deducimos la ley a partir de principios mecánicos fundamentales, como es la ley de conservación del momento angular. Con todo esto demostramos que la ley del transformador es consecuencia de un fenómeno inercial.
Easy experiments carried out in the dawn of electromagnetism are still being a reason for scienti... more Easy experiments carried out in the dawn of electromagnetism are still being a reason for scientific articles, because its functioning contradicts some laws and rules of electromagnetic theory. Although these experiments led Einstein to discover the relativistic electrodynamics and explained its working, the scientific community had not understood this. They see in these experiments a proof against relativity and prefer to look for the solution in the electromagnetics’ theory or accept that their are an exception. By means of a long and detailed experimental study with a new design in electromagnetic engines and improvements of these experiments that we call relativistic electrodynamics turbine, we managed to explain its working using relativistic electrodynamics. The revision of these experiments had taken us to discover the real law of induction, which does not have any exceptions. The explanation of the relativistic electrodynamics turbine led us to discard the Faraday induction ...
It is a mistake to believe that the primitive experiments, known as the origin of the physical sc... more It is a mistake to believe that the primitive experiments, known as the origin of the physical sciences, have been sufficiently studied and therefore it is impossible to extract from them some new and important knowledge. This view has contributed to the perpetuation of some misconceptions. The study of such experiments from other points of view, and applying new techniques, makes it possible to expand their meaning and understanding. Einstein must have thought this way since in 1905 decided to study the Faraday disk and, by doing so, discovered the theory of relativity, according to which the magnetic field is a consequence of the relative motion of different signs electric charges. The verifications of the theory of general relativity by cosmological experiments have led to the belief that the special relativity theory is irrelevant in terrestrial dimensions and speed. Therefore, it is important to correct this error by simple laboratory experiments, whose explanation is only poss...
The aim of this work is to produce a classification system to assess cervical injury from a multi... more The aim of this work is to produce a classification system to assess cervical injury from a multi-sensor database. This is a database that has never been gathered before, with data coming from three different sensors: inertial, EEG, and thermography. How well these sensors help to build a good model and which right features influence the response variable are key to a better understanding of the link between sensor data and the presence of a cervical injury. There is an additional data set related to the user/patient (a survey) that will provide us with a different view and a baseline to compare with the sensor data. Both data sets are characterized by few observations and many variables, such that feature selection or feature engineering is crucial to success in building a good classification system. The approach used with both data sets is penalized logistic regression. This type of models helps in the selection of the best features and also prevents overfitting by adding a penalized term over the coefficients in the objective function. To verify the ability of each data set, a k-fold cross-validation was carried out with promising results for both the sensor and survey data sets. Results demonstrate an accuracy of up to 70%, which gives a good starting point to encourage increasing the size of the database with more patients. A final discussion highlights the importance of never underestimating the information provided by the patients.
The transformer relation is an electromagnetic law that arises as a consequence of the applicatio... more The transformer relation is an electromagnetic law that arises as a consequence of the application of the electromagnetic induction between the primary and secondary electrical circuit. In this article we propose a relation transformer new demonstration without needing to resort to electromagnetic induction and even without resorting to electromagnetic principles. We deduce the law from fundamental mechanical principles, such as the law of conservation of angular momentum. With all this we show that the law of the transformer is the consequence of an inertial phenomenon
There are theories related to the time dependence of the speed of light that predict that the spe... more There are theories related to the time dependence of the speed of light that predict that the speed of light is not constant but depends on the time. But they are not verifiable or demonstrable physically or mathematically with concrete results. In this study, based on simple assumptions on the microwave background and thermal electrons, a model of the time varying speed of light is presented, which is fully compatible with currently accepted results for the speed of light and the Hubble constant theories. I. Energy density of space Based on the idea of space as a continuum, the speed of light can be considered as a disturbance in this space, the same way as a wave is considered a disturbance on a rope. If we associate the concept of speed of light as the speed on a stretched string of length l and mass m, we can establish the following c = √ F μ = √ F m l = √ Fl m = √ E m = √ ρm Obviously, the following relationship is also obtained: E = mc2 The energy density of space depends on t...
El conocido astrofisico Carl Sagan comentaba: “Vivimos en una sociedad profundamente dependiente ... more El conocido astrofisico Carl Sagan comentaba: “Vivimos en una sociedad profundamente dependiente de la ciencia y la tecnologia en la que nadie sabe nada de estos temas. Ello constituye una formula segura para el desastre”. Sobretodo cuando este conocimiento cientifico y tecnologico proviene del electromagnetismo. Es conocido que los origenes del electromagnetismo se remontan a los experimentos de Oersted, pero casi nadie conoce la gran contribucion que efectuo Francesc Arago al desarrollo del electromagnetismo. En este articulo demostramos que los experimentos de Arago contribuyeron de forma decisiva al pensamiento teorico de Andre Marie Ampere. Culminando en el experimento decisivo del disco de Arago, donde se muestra el magnetismo de rotacion, precursor del disco de Faraday y origen de la tecnologia electromagnetica.
Easy experiments carried out in the dawn of electromagnetism are still being a reason for scienti... more Easy experiments carried out in the dawn of electromagnetism are still being a reason for scientific articles, because its functioning contradicts some laws and rules of electromagnetic theory. Although these experiments led Einstein to discover the relativistic electrodynamics and explained its working, the scientific community had not understood this. They see in these experiments a proof against relativity and prefer to look for the solution in the electromagnetics’ theory or accept that their are an exception. By means of a long and detailed experimental study with a new design in electromagnetic engines and improvements of these experiments that we call relativistic electrodynamics turbine, we managed to explain its working using relativistic electrodynamics. The revision of these experiments had taken us to discover the real law of induction, which does not have any exceptions. The explanation of the relativistic electrodynamics turbine led us to discard the Faraday induction ...
La ley de relación del transformador es una ley propiamente electromagnética, que surge como cons... more La ley de relación del transformador es una ley propiamente electromagnética, que surge como consecuencia de la aplicación de la inducción electromagnética entre el circuito eléctrico primario y el circuito eléctrico secundario. En este articulo proponemos una nueva demostración de la relación del transformador sin necesidad de recurrir a la inducción electromagnética e incluso sin recurrir a principios electromagnéticos. Deducimos la ley a partir de principios mecánicos fundamentales, como es la ley de conservación del momento angular. Con todo esto demostramos que la ley del transformador es consecuencia de un fenómeno inercial.
Easy experiments carried out in the dawn of electromagnetism are still being a reason for scient... more Easy experiments carried out in the dawn of electromagnetism are still being a reason for scientific articles, because its functioning contradicts some laws and rules of electromagnetic theory. Although these experiments led Einstein to discover the relativistic electrodynamics and explained its working, the scientific community had not understood this. They see in these experiments a proof against relativity and prefer to look for the solution in the electromagnetics' theory or accept that their are an exception. By means of a long and detailed experimental study with a new design in electromagnetic engines and improvements of these experiments that we call relativistic electrodynamics turbine, we managed to explain its working using relativistic electrodynamics. The revision of these experiments had taken us to discover the real law of induction, which does not have any exceptions. The explanation of the relativistic electrodynamics turbine led us to discard the Faraday induction law and argue that the true law of induction is a consequence of the conservation of the angular momentum of the charges as the conservation of the angular momentum of the mass. Thus Einstein's idea to unify electromagnetism and mechanics is now clear and also opens the way for new research in science.
En estos apuntes se describen los sistemas de coordenadas rectangulares, polares, cilíndricas y e... more En estos apuntes se describen los sistemas de coordenadas rectangulares, polares, cilíndricas y esféricas. Indicando cuáles son sus características geométricas principales y se calcula la posición, velocidad y aceleración en cada uno de ellos.
The purpose of this publication is to verify that the phenomena associated with magnetism are man... more The purpose of this publication is to verify that the phenomena associated with magnetism are manifestations of special relativity. Not in vain, magnetism is a consequence of the speed of electric charges, and special relativity tells us that speed is relative to the reference system from which speed is measured. In turn, the concept of relative speed is not as simple as it may seem today. Its origin must go back to the discovery and understanding of the movement of the Earth itself, which in turn is associated with the movement of the fixed stars. But well, leaving aside the historical origin of the relative speed, we will now focus on the purely electromagnetic aspects related to the movement of charges.
El propósito de esta publicación es comprobar que los fenómenos asociados al magnetismo son manif... more El propósito de esta publicación es comprobar que los fenómenos asociados al magnetismo son manifestaciones de la relatividad especial. No en vano, el magnetismo es una consecuencia de la velocidad de las cargas eléctricas, y la relatividad especial nos dice que la velocidad es relativa al sistema de referencia desde el cual se mide la velocidad.
Lagrangian points are essentially points in space with a certain equilibrium. Where satellites or... more Lagrangian points are essentially points in space with a certain equilibrium. Where satellites or observation telescopes can be parked in a stable orbit. The determination of these Lagrange points corresponds to the three-body gravitational problem, which is difficult to solve analytically. For points L1 and L2, however, a certain formula can be assigned on the basis of certain simplifications, which, depending on the given conditions in the Sun-Earth and Earth-Moon system, yields an acceptable result.
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