Experimental Physics Research Papers - Academia.edu (original) (raw)

In this paper we have tried to deduce the possible origin of particle and evolution of their intrinsic properties through spiral dynamics. We consider some of the observations which include exponential mass function of particles following a sequence when fitted on logarithmic potential spiral, inwardly rotating spiral dynamics in Reaction-Diffusion System, the separation of Electron’s Spin-Charge-Orbit into quasi-particles. The paper brings a picture of particles and their Anti Particles in spiral form and explains how the difference in structure varies their properties. It also explains the effects on particles in Accelerator deduced through spiral dynamics.

The effect of wind velocity on the cooling rate of water was investigated by blowing air horizontally over the surface of water contained in a plastic water-bottle cap. The time taken for the temperature to fall to the average of the surrounding and initial temperatures was recorded at different values of wind velocity. It was observed that on increasing the wind velocity, the time taken to achieve average temperature not only decreased but also remained the same after a certain point.

- by Shrey Aryan
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- Theoretical Physics, Experimental Physics

The rapid development of Virtual Reality (VR) technology offers new opportunities for the promotion of tourism products and experiences. VR pro-vides potential tourists with a compelling imagery and a chance to get a first im-pression of what it feels like to be at a destination. Previous studies have mostly focused on visual and auditory VR experiences and have rather neglected the possibility of adding additional sensory stimuli, i.e. haptic and olfactory feed-back, to a VR experience. This study is novel in that it takes a multisensory ap-proach to VR and examines its impact on the intention to recommend a destina-tion through the lens of presence. A multi-stage laboratory experiment with 64 participants was conducted. The analysis reveals that the stimulation of additional senses does not lead to a significant enhancement of the user’s sense of presence. However, a significant increase in the user’s intention to recommend a destina-tion can be observed. For destination marketers, this study proposes multisensory VR as a novel and effective tool to positively influence travel recommendations.

- by Barbara Neuhofer
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- Tourism Studies, Destination Management, Experience Design, Experimental Physics

The stiffness of an actuator depends on the closed-loop position control (architecture and parameters), on the load frequency, and, for fault-tolerant actuators, on the operative mode. The stiffness response is of basic importance for the design of actuators for primary flight controls, especially for high-performance aircrafts. Actually, in-flight conditions characterized by high speed and high angle-of-attack, the dynamic interactions between aircraft structure, actuator, and aerodynamic loads can induce aeroservoelastic effects, which, if not controlled, can imply performance degradation and even instability. The study and the compensation of such concerns require the assessment of the resonant frequencies of the aeroservoelastic system, which can be performed only by characterizing the dynamic stiffness of the actuator. This article reports the experimental activities carried out for the characterization of the stiffness response of a fault-tolerant fly-by-wire actuator for the primary flight controls of a modern jet trainer, starting from the feasibility studies of the experiments up to the execution of the vibration tests. The actuator stiffness performance is evaluated in different fail-operative modes by artificially injecting hydraulic and electrical failures, and the experimental data are interpreted by means of an LTI model of the flight actuator, highlighting and discussing the effects that the failures induce on the stiffness performance.

- by Gianpietro Di Rito and +1
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- Modeling and Simulation, Fault Tolerant Systems, Experimental Physics, Automatic Flight Control Systems
- by V. Pavelyev
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- Radiation, Experimental Physics, Laser beam shaping, Diffractive optics

A superluminal quantum-vortex model of the electron and the positron is produced from a superluminal double-helix model of the photon during electron-positron pair production. The two oppositely-charged (with Q = ±e sqrt (2/α) = 16.6e) open-helix spin-½ half-photons compose the double-helix photon. These half-photons separate and curl up their separated superluminal single-helical trajectories to form an electrically-charged superluminal closed-helix spin-½ quantum-vortex electron model and a corresponding positron model. The helical radius and the Dirac equation's zitterbewegung angular frequency of the quantum vortex electron and positron models equal the helical radius and zitterbewegung angular frequency of the two spin-½ half-photons, each of energy E = mc^2 , that composed the double-helix photon model of energy E = 2mc^2 from which the electron and positron models were produced. The photon and electron models are also compatible when a photon of energy E > 2mc^2 produces a relativistic electron-positron pair. Implications of the quantum vortex electron model for electron stability are discussed.

- by Igino Giordani
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- Mechanical Engineering, Combustion, Experimental Physics, Caña De Azucar

The current paper deals with the study of the electrical failures in fault-tolerant flight actuators, with particular reference to the short circuits of the servovalve coils. A highfidelity model of the servovalve of a modern fly-by-wire actuator is developed and validated through experiments, focusing attention on the characterization of the component dynamics in case of partial and total short circuits of the direct-drive motor coils. The servovalve model is then used to simulate a typical on-ground built-in-test procedure to determine the limit condition for the detection of a partial short circuit. Finally, once different possible combinations of short circuits are injected, the degradation of performances of the whole actuator is characterized through experiments, and the servovalve model is used to justify the test results, highlighting and discussing the effects of the failures on the system dynamics.

- by Gianpietro Di Rito and +1
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- Modeling and Simulation, Fault Tolerant Systems, Experimental Physics, Automatic Flight Control Systems

In this experiment, we explore the concept of simple harmonic motion and how different placement of the pivot on a simple rigid rod affects the time period of small oscillations it undergoes through. A relationship between time T and... more

- by Muhammad Owais Chandio
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- Physics, Mechanics, Experimental Physics, Rotational Dynamics

The diffusion of gases, dry and moist, had been studied in 1874 by Louis Dufour, who observed a pressure difference across a porous wall separating moist air and a vessel containing either water or a desiccant. 70 years later, Heinrich Greinacher (1880-1974) claimed to have built the first Diffusion Hygrometer, proposed a theory and got a patent for it. Two different models were produced by firms of Lausanne, TESA and Rueger. Eventually, they were a commercial failure. We found one exemplar of each maker in the collections of our Physics Museum and have tested them. A comparison of the performances with the then currently available hygrometers will be made.

Universe is made up of God Particles or Basic Building Blocks ( Fig -1) or mind and mass . To Understand life ( new definition ) we have to understand sleeping and arousal phenomenon in living animals , plants and seed , molecules , atoms , particles and in Tachyons which are made up off two God particles . We are set of informations ( Code PcPs ) and that too changing ( fetus , infant , adolescence , adult , old age and finally death ) . Death set of informations ( code PcPs ) are different than life set of informations ( CodePcPs) . Life set of Informations could be recreated only by Almighty B.B.B . Hence death is illusion. In all stages of set of informations of particles , atoms, molecules have arousal state of mind ( Eyes open ) . Hence Idols are alive by virtue of arousal - sleep phenomenon property ( property of life ) of God particles ( Mind and Mass ) . Life effects are higher thought expressions of B.B.Bs . When these thought expressions are inhibited death thoughts are triggered , we observe death effects . ( autolysis of cells and rigor mortis etc ). Hence concept of soul is myth. Hence Life means sleep and arousal phenomenon ( new definition ) . Hence statues are alive because they are in arousal state of mind . ( Open eyes ) till creation exists . After the creation is over, all stages of God particles would come in sleeping state in symmetry phase ( close eyes –mind ) but alive ( new definition ) . Universe “I” is always Alive ( new definition ) whether it is in sleeping state of mind or arousal state of mind.

- by vijaymohan das
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- Engineering Physics, Physiology, Human Physiology, Physical Geography
- by Victoria Gonzaga
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- Experimental Physics, Física, Relatório, Física 1

Relatório sobre o estudo experimental de oscilações de uma barra perfurada (2017).

- by Vinícius Silva Franção
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- Physics, Experimental Physics, Rigid Body Motion, Oscillations

Resumo. Neste trabalho foram aplicados métodos experimentais, para coleta de dados e aplicados estes dados em tabelas, gráficos e equações com o intuito de obter-se um movimento retilíneo uniforme. Através de análises dos gráficos criados definimos o movimento e sua equação do movimento. O uso de aplicativos foi com intuito de facilitar o desenvolvimento do trabalho e nos auxiliar nas analises dos dados, aumentando assim a precisão dos resultados.

- by Valmir Cleber
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- Experimental Physics

General overview of the mathematics used to derive the electron model in "New Physics Framework", which was recently uploaded.

The diffusion of gases, dry and moist, had been studied in 1874 by Louis Dufour, who observed a pressure difference across a porous wall separating moist air and a vessel containing either water or a desiccant. 70 years later, Heinrich Greinacher (1880-1974) claimed to have built the first Diffusion Hygrometer, proposed a theory and got a patent for it. Two different models were produced by firms of Lausanne, TESA and Rüeger. Eventually, they were a commercial failure. We found one exemplar of each maker in the collections of our Physics Museum and have tested them. A comparison of the performances with the then currently available hygrometers will be made.

- by Victoria Gonzaga
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- Experimental Physics, Laboratório de Física, Cinematica, Física Básica

The aim of the experiment performed was to give an insight into the phenomena of optical rotation of monochromatic light through a polarizing filter and optical activity of sucrose and fructose samples. Malus’ Law was tested with... more

- by David Barba González
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- Physics, Optics, Experimental Physics, Lasers

The most scientific evidence-yet of simple perpetual motion.

The objectives of the photoelectric effect are measuring Planck’s constant, measuring current-voltage characteristics of spectral lines for both (constant frequency, different intensity) and (different frequencies, constant intensity). The experiment used mercury light source shining on a photodiode cathode to yield photoelectric effect to study the three different purposes. In experiment 1, it is obtained that the experimental Planck’s constant, h = (-6.177 ± 2.994) x 10^(-34) Js with 193.2% of percent difference and a corresponding work function of -2.903 x 10^(-19) J. It is speculated that the error in the negative value rose from the arrangement of the experiment performed not obeying the assumptions made for the derivation of the theoretical equations given. The extension of experiment 1 yielded a relationship such that as the intensity increases, so does the stopping potential. In experiment 2, it is obtained that the higher the intensity, the higher the maximum current value for any given limited range of voltage. In experiment 3, it is obtained that the higher the frequency of the spectral line, the smaller the maximum current value for any given limited range of voltage.

- by Akmal Hafizi
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- Physics, Experimental Physics, Photoelectric Effect, Undergraduate Physics

Board Based Project on Tangent Galvanometer

- by PG Yadu
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- Physics, Materials Science, Education, Knowledge Management
- by Tri danu Satria
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- Chemical Engineering, Mathematics, Physics, Thermodynamics

—Use of coaxial cable and rectangular waveguide as Signal Time Travel Machines. Use of Time Dilation formulas is demonstrated. Paper provides method to construct, low cost signal time machines, along with additional proof of Einstein. Lorentz etc. constant fixed light speed and how, when white light is split into frequency time lengths, (composed frequencies with different delays) via waveguides, visible rainbow colors from sky, water, glass, etc., are produced. Different frequency time lengths, not changes in light speed or light bending, actually create this visible rainbow light split effect. See Fig. (14) Time delay nm (nanometer) frequency reflective dispersion using rectangular waveguide surface slits is a real causality shown by this article. The electron microscope contained photo of, mother of pearl, Fig. (8) Shows it to be composed of miniature waveguide slit layers, hence light time cavity reflectors. Open facing end nm cavity resonators. This type of slit layering is found in many forms even butterfly wings to effect color. Research additionally demonstrates photon (EMR Electromagnetic Radiation) travels in 2 dimensions, not 3 dimensions, as currently thought. Time is still considered the 4 th dimension and also nonexistent for a photon. Time Travel Machine, rarely considered creation realities, is lightly discussed in section IX.

- by Lance Wenner
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- Mathematical Physics, Physics, Theoretical Physics, Particle Physics
- by Victoria Gonzaga
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- Experimental Physics, Física, Relatório, Laboratório de Física
- by Тхинь Хоанг
- •
- Experimental Physics

Science from History to Future CONTENTS 1. INERTIA 2. Form of Intensity of the Moving Charge Electric Field is Asymmetrical. 3. Form of the Interference Field is Non-Linear 4. CORRECTED Maswell's equations 5. Corrected Newton´s Laws of Motion 6. Kinetic energy of a charge moving at the velocity of v has two different values: Kinetic energy against direction of motion as wave Tkin ad = mc2 [ln |1+v/c|- (v/c)/(1+v/c)] Kinetic energy in direction of motion as particle Tkin id = mc2 [ln|1-v/c|+ (v/c)/(1-v/c)] 7. Physics is Easy 8. Particles, Waves and Trends in Physics 9. Physics is Beautiful 10. Great Table of Elementary Particles 11. Movement Principles of the Fast-Spinning Bodies 12. Nuclear Fusion Video https://youtu.be/iAjYkRyMw5Y Science from History to Future Nobel laureates in physics are mostly physicists, who mainly create and defend physics. Einstein never received a Nobel prize for relativity... For nearly 100 years ago have been Nobel Prize winners said: "- The theory of relativity is a mathematical and not a physical theory. - The theory is far from being confirmed experimentally, the results of the solar eclipse expeditions allow other interpretations - The principle of relativity is only valid for mass-dependent movements - The theory of relativity contradicts the fundamental ideas about space and time: the Euclidean space and the usual ideas of time must remain binding. " I strongly demand: The events of 1905-1920, we can not replace by the events of 1938-1945. We would be making a big mistake with this. Because other future generations will hate us for it. Crimes of earlier periods lead to war. They are the cause of the wars. The war is very bad. Change QUALITY 1905 A.E. : Einstein ´s theory Tkin =mc^2 – mo c^2 1996: Tkin id =mc^2 [ln |1-v/c|+ (v/c) / (1-v/c) ] Tkin ad = mc^2 [ln |1+v/c|- (v/c) / (1+v/c) ] Einstein's theory works only for v < 0.1c. Einstein´s Relativity Theory Can not Explain ... 1. Movement principles of the fast-spinning pulsars, 2. Nuclear Fusion , 3. Wave - Particle Duality as Kinetic Energy Against and In Direction of Motion 4. the 4th Maxwell's equation, 5. Lorentz equals without the help of Space-Time, 6.Confinement of quarks 7. Great Table of Elementary Particles 8. Spectral line Hα ( http://vixra.org/pdf/1404.0248v1.pdf ) 9. Neutrino Oscillations ( http://vixra.org/pdf/1404.0369v1.pdf ) 10. Form of the interference field must be non-linear. ( http://vixra.org/pdf/1411.0531v1.pdf ) 11.Form of Intensity of the Moving Charge Electric Field must be asymmetrical. ( http://vixra.org/pdf/1411.0533v1.pdf ) 12.Kinetic energy of a charge moving at the velocity of v has two different values: Kinetic energy against direction of motion as wave Tkin ad = mc^2 [ln |1+v/c|- (v/c)/(1+v/c)] Kinetic energy in direction of motion as particle Tkin id = mc^2 [ln|1-v/c|+ (v/c)/(1-v/c)] ( http://vixra.org/pdf/1411.0530v1.pdf , http://vixra.org/pdf/1405.0334v1.pdf , http://vixra.org/pdf/1409.0090v1.pdf Three Objections to Modern Physics ) 13. Yukawa potential .... Relativists were ridiculed in Germany 27 years (1905 - 1931). Relativists were persecuted in Hitler's Germany 14 years (1932 - 1945). Relativists were ridiculed in America 50 (?) years. Glorification of relativists 101 years (1918 - 2018). Why? Begins of glorification: FACTS to 1918: 6 he has stolen the work of others and has mathematized physics to such an extent that fellow physicists have been left clueless. Furthermore, the article continued, Einstein had undertaken a propaganda campaign by which he had cast a spell both over the public and over academic circles--but in reality relativity was nothing but fraud and fantasy. nt and creating an deceitful picture of Albert Einstein by his glorification: 12 In 1919 it had carried an article [13 autor Alexander Moszkowski (1851-1934), 15 editor-in-chief was Arnold Berliner (1862-1942)] announcing the results of the British solar eclipse expedition that rose to laudatory hyperbole, not shying away from declaring that “a highest truth, beyond Galileo and Newton, beyond Kant” had been unveiled by “an oracular saying from the depth of the skies.” 16 on December 14, 1919, the front page of the Berliner Illustrirte Zeitung [17 This newspaper had been founded by Leopold Ullstein (1826-1899)] carried a large close-up portrait of Einstein whose caption read: “A new eminence in the history of the world: Albert Einstein, whose researches signify a complete revolution of our understanding of Nature and whose insights equal in importance those of a Copernicus, Kepler, and Newton.” 2 The huge public acclaim that was accorded Einstein. It also vexed conservative academics (e.g. the Nobel Laureate Philipp Lenard have felt that the theoretical physicist Einstein had captured too much of the limelight, while other, experimental physicists were not appreciated enough.) FACTS Then followed (1920): Reactionaries and Einstein's Fame: “German Scientists for the Preservation of Pure Science,” Relativity, and the Bad Nauheim Meeting Jeroen van Dongen Einstein Papers Project California Institute of Technology Pasadena CA 91125, USA Institute for History and Foundations of Science Utrecht University P.O. Box 80.000 3508 TA Utrecht, the Netherlands Two important and unpleasant events occurred in Albert Einstein’s life in 1920: That August an antirelativity rally was held in the large auditorium of the Berlin Philharmonic, and a few weeks later Einstein was drawn into a tense and highly publicized debate with Philipp Lenard on the merits of relativity at a meeting in Bad Nauheim, Germany. 73 Nonetheless, tensions had been mounting. Max Planck was firmly in the chair, but prior to the debate--because he was still not certain whether Einstein would remain in Berlin--he appeared to be quite agitated. Change QUALITY 1905 A.E. : Einstein ´s theory Tkin =mc^2 – mo c^2 1996: Tkin id =mc^2 [ln |1-v/c|+ (v/c) / (1-v/c) ] Tkin ad = mc^2 [ln |1+v/c|- (v/c) / (1+v/c) ] Einstein's theory works only for v < 0.1c.
https://www.trendsinphysics.info/data/New-Trends-in-Physics-Extraordinary-proofs.pdf

- by Lubomir Vlcek
- •
- Engineering Physics, Mathematical Physics, Physics, Theoretical Physics

A forced choice paradigm was employed, similar to that of a recent experiment conducted by Hubbard (1996) using paired greyscale patches and pitch intervals, which provided evidence of a universal mapping of lightness value relative to pitch height. In the current experiment we used colour, instead of greyscale, and tonal intervals within the normal vocal and instrumental midrange. 40 participants chose between colour combinations derived from two models of pitchcolour correspondence in response to intervals and dyads from all 48 major and minor keys in the cycle of 5ths. Analyses revealed a tendency to map adjacent colours onto close intervals and relate spectrally distant colours to larger intervals, particularly amongst those with musical training, but also among participants with training in visual arts. This experiment provides evidence of a perceptual analogy between pitch and colour relationships, as well as some support for the traditional linear model of pitch-colour correspondence.

- by Julia A Katarina
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- Experimental Psychology, Music, Music Education, Music Theory

With different properties and compositions, ionic and covalent bonds have extraordinarily contrasting properties. The variations between the two can result in noteworthy phenomena, such as the different strengths of ionic and covalent bonds. In this report, the background of bonding as well as the experiment to compare the bond enthalpies are discussed. Most importantly, the analyses provide an explanation on how ionic bonds are stronger than covalent bonds.

- by Kevin Wan
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- Chemistry, Organic Chemistry, Physical Chemistry, Science Education

The objectives of the experiment are to determine the magnetic field along the horizontal x-axis that passes through the centre of a single solenoid coil, and to determine the magnetic field along the horizontal x-axis that passes through the centre of the Helmholtz coil. Helmholtz coil is a device that produces a region of a nearly uniform magnetic field. It consists of two solenoids that are parallel to each other on the same axis. Both solenoids are separated by a distance, d. Each coil carries an equal electric current in the same direction. The entire experiment is conducted via a simulator software provided. For Experiment I, the graph of B vs x is obtained alongside with the logarithmic graph of B vs the square of x. The comparison of the experimental and the theoretical logarithmic graphs allows the determination of the turns of wire, N of the hypothetical single coil. That is, N = 1717.5. It is managed to obtain the best value for B_0 through the standard deviation as the uncertainty in a single measurement with 70% confidence. That is, B_0 = (4.1267 x 10-3) ± (9.2236 x 10-5) T. The experimental μ_0 is deduced and it is given by μ_0 = (2.5292 x 10-7) T m A^-1. The determination of the experimental μ0 yields a percentage error of 79.9%. For Experiment II, the graph of B vs x is obtained for all d = R, d = 1.5R and d = 0.5R. Two major things found out in this part are, firstly, the mathematical erratum in either the simulator or in the laboratory manual is very substantial, and secondly, the erratum has caused such an ambiguity that a thorough quantitative analysis has become cumbersome given the time constraint as the deviation between the experimental and the theoretical values are of logarithmic. Next, the graph of B_0 vs d is also obtained for both the experimental and the theoretical values. Nothing much could be done on the quantitative aspect of it. However, qualitatively, it is observed that as d increases, B decreases. This may explain the lesser incident flux density as the coils move further apart. Lastly, the slope of the experimental data has a greater rate of change as opposed to that of the theoretical values.

- by Akmal Hafizi
- •
- Physics, Experimental Physics, Magnetic field, Electricity and Magnetism
- by Alamgir Niaz
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- Experimental Physics, Experimental Design, Experimental Research
- by Mahroo Uris
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- Electrical Engineering, Electronic Engineering, Mechanical Engineering, Physics

El objetivo de este libro es presentar un conjunto de experimentos de física que, haciendo uso de las nuevas Tecnologías de la Información y Comunicación (TIC’s), resalten los aspectos metodológicos de la física y las ciencias en general. Los experimentos están orientados a estudiantes universitarios de ciencia e ingeniería, aunque algunos pueden ser usados en escuelas secundarias. Los proyectos propuestos apuntan a que los estudiantes puedan responder las preguntas: ¿cómo sabemos esto?, ¿por qué creemos en aquello? Estas preguntas ilustran la naturaleza del pensamiento científico
En esta primera parte se introducen aspectos metodológicos la física, elementos de metrología, teoría de errores y uso de cámaras digitales y tarjetas de sonido para realizar algunos experimentos introductorios de teoría de escalas, sonido, mecánica y astronomía.

- by Salvador Gil
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- Physics, Experimental Physics, Physical Education

In this study, the coefficient of static friction (μ s) of a plastic plane was determined by using the inclined plane experiment. This was determined by recording the angle at which a wooden box started to slide on the inclined plastic plane. The experimental data was collected from several trials as there were many uncontrolled factors that were possibly overlooked or, detected but impossible to eradicate. By using the (sinθ)(mass)(gravity)= (μ s)(mass)(gravity)(cosθ) formula and substituting the experimental data obtained from the trials, it was possible to calculate the value of μ s of the plastic plane. In addition to this calculation, it was unveiled that the mass of the object did not have an effect on the μ s value of the material, and this is an idea that warrants further study.

- by Mercan ULUTAŞ
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- Engineering, Mechanical Engineering, Physics, Science Education

As physical beings, we cannot act in violation of the laws that govern our existence. As
findings show the same holds true for elementary particles. The discovery of Albert Einstein's nonlocal hidden variables, via unambiguous empirical evidence, has confirmed the construct of the mechanics of how an act comes into being an act. Since these origin variables do not have scale or locality, they are universal to both microscopic and macroscopic domains. Therefore, we can use these variables to test in real life, or safely as a thought experiment, if the logic of placing cause second to effect, as practiced in scientific methodology, is true of Nature or not.

- by Manuel S Morales
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- Evolutionary Biology, Physics, Ontology, Ethics

O experimento de Franck-Hertz visa demonstrar a quantização da energia dos átomos, o qual estuda trocas de energias via colisões elásticas e inelásticas dos elétrons com os átomos. O experimento foi realizado no ano de , e marcou um passo importantíssimo para a evolução da física quântica até a mecânica quântica. Este trabalho tem por objetivo repetir o que foi feito no experimento original, e demonstrar os níveis de energia do átomo de mercúrio (Hg). Foi obtidos valores para 5 níveis de energia de excitação para o átomo, e a precisão total em conjunto das medidas cou em torno de 88. Os resultados serão apresentados em forma de grááácos, tabelas e discussão.

- by Geferson Lucatelli
- •
- Physics, Quantum Physics, Experimental Physics

The objectives of the excitation and ionisation potentials experiment are to determine the ionisation potentials of Xenon and Argon, to show the existence of discrete energy levels of Xenon and to determine the first excitation potential of Xenon. The experiment used Xenon and Argon thyrathrons connected in an electrical circuit to meet the objectives by colliding the accelerated electrons from the filament with the test gases in the tubes. Collisions occurred when enough kinetic energy gained to excite the electrons of the target atom. In Experiment 1, it is obtained that the experimental ionisation potential of Xenon is 11.53 ± 0.014 V with 15.20% of percent difference. In Experiment 2, it is obtained that the experimental ionisation potential of Argon is 15.00 ± 0.005 V with 10.30% of percent difference. In Experiment 3, it is obtained that the experimental first excitation potential of Xenon is 2.85 ± 0.001 V with 16.20% of percent difference. Experiment 2 and Experiment 3 yielded the lowest and the highest percent difference, respectively. Experiment 3 yielded the lowest value of uncertainty.

- by Akmal Hafizi
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- Physics, Quantum Physics, Foundations of Quantum Mechanics, Experimental Physics

Teori ini boleh diambil sebagai referensi, dan harus disertakan nama dan sumbernya Abstrak: waktu berjalan linear pada aksi yang kita lakukan, tetapi setelah aksi tersebut dilakukan, akan menjadi masa lalu yang tersusun menjadi alur waktu yang telah kita lakukan yang disebut timelime, dan bila kita beraksi untuk membuat mesin yang mampu membawa kita kemasa lalu, maka waktu sebagai sejarah sudah tidak linear lagi, karena dapat kita akses dan ubah, tetapi aksi kita sendiri, tetaplah linear. Keywords: mesin waktu, mesin teleport, teori waktu, teori mesin waktu, teori mesin teleport, teori teleport, teori teleport lintas ruang, teori teleport lintas waktu, teori teleport lintas ruang dan waktu PENDAHULUAN Art berasal dari Arte dalam bahasa Itali atau dalam bahasa Yunani adalah Techni. Arti Art lebih mengarah kepada Skill atau Craft, dalam bahasa Indonesia berarti keahlian atau teknik bila merujuk ke arti dari bahasa Yunani. Kata Art mengalami pengubahan makna menjadi makna sekarang dimulai pada sekitar abad 18 di eropa (http://en.wikipedia.org/wiki/Romanticism). Tetapi bagi penulis, Art lebih mengacu pada arti aslinya yaitu teknik dan skill, sekaligus bila dijaman sekarang ditambahkan desain.

- by An1mage Jurnal and +1
- •
- Theoretical Physics, Quantum Physics, Cosmology (Physics), Particle Physics

The particle nature of the photons was experimentally confirmed. The static straight line diffraction pattern of the normal grating experiments has been shown experimentally. The phenomenon of the dynamic curved diffraction pattern of the grating experiment have been shown in separate experiments. In this article, the new experiments are proposed and performed, which show that the particle nature of the photons, the static straight line diffraction patterns, and the dynamic curved, expanded and inclined diffraction patterns co-exist in the same grating experiment simultaneously. The novel phenomena make the Feynman’s mystery of the normal double slit experiment more mysterious, violate Bohr’s complementarity principle, and provide comprehensive information/data for studying the wave-particle duality and developing new theoretical model. The double-slit experiment still has much to offer.

- by Hui Peng
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- Theoretical Physics, Optics, Quantum Physics, Foundations of Quantum Mechanics

Characteristics of the impact cavity formed when a steel ball is dropped into aqueous solutions of densities ranging from 0.98 g·cm-3 to 1.63 g·cm-3 were investigated. A high-speed camera was used to record the formation and collapse of the cavity. The results showed cavity diameter, volume, and pinch-off time are independent of fluid density, on average. There was an unexplained reduction in cavity formation for densities of 1.34 g·cm-3 and 1.45 g·cm-3.

- by Pattarapon Tanalikhit
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- Physics, Experimental Physics
- by Mohd Tirmizi
- •
- Physics, Experimental Physics
- by Victoria Gonzaga
- •
- Experimental Physics, Laboratório de Física, Física 1, Leis de Newton