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Showing 46 to 60 of 134 results Save | Export
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Scotti di Uccio, Umberto; Colantonio, Arturo; Galano, Silvia; Marzoli, Irene; Trani, Fabio; Testa, Italo – Physical Review Physics Education Research, 2020
We present the development and validation of a construct map addressing introductory quantum mechanics topics at the high school level, as a subset of a larger learning progression on quantum mechanics. Topics include energy quantization, photon absorption and emission, the Heisenberg uncertainty principle, atom stability, orbitals, wave function,…
Descriptors: Foreign Countries, Quantum Mechanics, High School Students, Science Instruction
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Charlton, Michael; Eriksson, Stefan; Isaac, C. Aled; Madsen, Niels; van der Werf, Dirk Peter – Physics Education, 2013
We describe recent experiments at CERN in which antihydrogen, an atom made entirely of antimatter, has been held in a magnetic minimum neutral atom trap and subjected to microwave radiation to induce a resonant quantum transition in the anti-atom. We discuss how this, the first experiment to observe an interaction between an antihydrogen atom and…
Descriptors: Science Instruction, Science Experiments, Physics, Magnets
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Maries, Alexandru; Sayer, Ryan; Singh, Chandralekha – Physical Review Physics Education Research, 2017
Research suggests that introductory physics students often have difficulty using a concept in contexts different from the ones in which they learned it without explicit guidance to help them make the connection between the different contexts. We have been investigating advanced students' learning of quantum mechanics concepts and have developed…
Descriptors: Quantum Mechanics, Advanced Courses, Tutorial Programs, Instructional Effectiveness
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Riggi, Simone; La Rocca, Paola; Riggi, Francesco – European Journal of Physics, 2011
GEANT4 simulations of the processes affecting the transport and collection of optical photons generated inside a scintillation detector were carried out, with the aim to complement the educational material offered by textbooks to third-year physics undergraduates. Two typical situations were considered: a long scintillator strip with and without a…
Descriptors: Textbooks, Instructional Materials, Undergraduate Students, Nuclear Physics
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Wall, Kathryn P.; Dillon, Rebecca; Knowles, Michelle K. – Biochemistry and Molecular Biology Education, 2015
Fluorescent proteins are commonly used in cell biology to assess where proteins are within a cell as a function of time and provide insight into intracellular protein function. However, the usefulness of a fluorescent protein depends directly on the quantum yield. The quantum yield relates the efficiency at which a fluorescent molecule converts…
Descriptors: Science Instruction, Laboratory Experiments, Biochemistry, Molecular Biology
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Adamides, E.; Kavadjiklis, A.; Koutroubas, S.K.; Moshonas, N.; Tzedakis, A.; Yiasemides, K. – Physics Education, 2014
In continuation of our investigation into the buildup phenomenon appearing in gamma ray attenuation measurements in laboratory experiments we study the dependence of the buildup factor on the area of the absorber in an effort to reduce the buildup of photons. Detailed measurements are performed for up to two mean free paths of [superscript 60]Co…
Descriptors: Science Instruction, Science Laboratories, Laboratory Experiments, Physics
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Malgieri, Massimiliano; Tenni, Antonio; Onorato, Pasquale; De Ambrosis, Anna – Physics Education, 2016
In this paper we present a reasoning line for introducing the Pauli exclusion principle in the context of an introductory course on quantum theory based on the sum over paths approach. We start from the argument originally introduced by Feynman in "QED: The Strange Theory of Light and Matter" and improve it by discussing with students…
Descriptors: Scientific Principles, Introductory Courses, Quantum Mechanics, Science Experiments
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Feller, Steve; Giri, Sandeep; Zakrasek, Nicholas; Affatigato, Mario – Physics Teacher, 2014
In a usual modern physics class the Compton effect is used as the pedagogical model for introducing relativity into quantum effects. The shift in photon wavelengths is usually introduced and derived using special relativity. Indeed, this works well for explaining the effect. However, in the senior author's class one of the student coauthors…
Descriptors: Scientific Concepts, Nuclear Physics, Kinetics, Equations (Mathematics)
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Choudhary, Rahul K.; Foppoli, Alexander; Kaur, Tejinder; Blair, David G.; Zadnik, Marjan; Meagher, Richard – Physics Education, 2018
The decline in students' interest in science and technology is a major concern in the western world. One approach to reversing this decline is to introduce modern physics concepts much earlier in the school curriculum. We have used the context of the recent discoveries of gravitational waves to test the benefits of one-day interventions, in which…
Descriptors: Intervention, Science Instruction, Physics, Teaching Methods
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Nuryadin, Bebeh Wahid; Nuryantini, Ade Yeti; Ramdhani, Muhammad Ali – Physics Education, 2018
A low-cost solar simulator using a LCD projector as a light source has been developed and tested successfully. The prepared simulator has an illumination spectral at the visible light region and is controllable using a computer. The prepared simulator with controllable spectral filter was used to utilize the current-voltage (I-V) measurement for…
Descriptors: Simulation, Projection Equipment, Science Laboratories, Foreign Countries
Eidelman, Rebecca – New England Journal of Higher Education, 2015
What if schools in the U.S. treated their innovation and emerging technologies with as much glamour as they give to athletics? At the New England Board of Higher Education's recent Advanced Manufacturing Problem Based Learning (AM PBL) Showcase, industry representatives addressed this question and discussed ways to improve the branding and appeal…
Descriptors: STEM Education, Higher Education, Problem Based Learning, Faculty Development
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Parker, Sherwood – American Journal of Physics, 1971
Descriptors: College Science, Instruction, Laboratory Experiments, Optics
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Henderson, Giles – American Journal of Physics, 1980
Uses computer graphics and nonstationary, superposition wave functions to reveal the dynamic quantum trajectories of several molecular and electronic transitions. These methods are then coupled with classical electromagnetic theory to provide a conceptually clear picture of the emission process and emitted radiation localized in time and space.…
Descriptors: College Science, Computer Graphics, Higher Education, Nuclear Physics
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Facao, M.; Lopes, A.; Silva, A. L.; Silva, P. – European Journal of Physics, 2011
We propose an undergraduate numerical project for simulating the results of the second-order correlation function as obtained by an intensity interference experiment for two kinds of light, namely bunched light with Gaussian or Lorentzian power density spectrum and antibunched light obtained from single-photon sources. While the algorithm for…
Descriptors: Computer Simulation, Optics, Mathematics, Quantum Mechanics
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Nikolic, Hrvoje – European Journal of Physics, 2012
In 1930, Einstein argued against the consistency of the time-energy uncertainty relation by discussing a thought experiment involving a measurement of the mass of the box which emitted a photon. Bohr seemingly prevailed over Einstein by arguing that Einstein's own general theory of relativity saves the consistency of quantum mechanics. We revisit…
Descriptors: Scientific Concepts, Quantum Mechanics, Science Instruction, Science Experiments
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