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Secret objectives: promoting inquiry and tackling preconceptions in teaching laboratoriesMay 17 2019In its most general form, a `secret objective' is any inconsistency between the experimental reality and the information provided to students prior to starting work on an experiment. Students are challenged to identify the secret objectives and then given ... More
Exploring the Structure of Misconceptions in the Force Concept Inventory with Modified Module AnalysisMay 15 2019Module Analysis for Multiple-Choice Responses (MAMCR) was applied to a large sample of Force Concept Inventory (FCI) pretest and post-test responses ($N_{pre}=4509$ and $N_{post}=4716$) to replicate the results of the original MAMCR study and to understand ... More
Investigating students seriousness during selected conceptual inventory surveysMay 14 2019Conceptual inventory surveys are routinely used in education research to identify student learning needs and assess instructional practices. Students might not fully engage with these instruments because of the low stakes attached to them. This paper ... More
PhysPort use and growth: Supporting physics teaching with research-based resources since 2011May 09 2019PhysPort (www.physport.org) has become the go-to place for physics faculty to learn to apply research-based teaching and assessment in their classrooms. Usage has doubled every two years since the site was released in 2011, and 20% of all U.S. physics ... More
Entrofy Your Cohort: A Data Science Approach to Candidate SelectionMay 08 2019Selecting a cohort from a set of candidates is a common task within and beyond academia. Admitting students, awarding grants, choosing speakers for a conference are situations where human biases may affect the make-up of the final cohort. We propose a ... More
Science Communication a New Frontier of Researcher's JobMay 08 2019In the world of communication, nobody can be out of the fray! Since many years science communication and more in general the ability of a researcher to communicate his/her work to founding agency, policy makers, entrepreneurs and public at large, starts ... More
Activity Theory in Didactics of Mathematics -- What is Taken As SharedMay 07 2019These few pages briefly present the way in which Activity Theory has been adopted for several years now by French researchers in didactics of mathematics and has been adapted to study the learning of school mathematics in relation with the teaching that ... More
The impact of incoming preparation and demographics on performance in Physics I: a multi-institution comparisonMay 01 2019We have studied the impact of incoming preparation and demographic variables on student performance on the final exam in physics 1, the standard introductory, calculus-based mechanics course This was done at three different institutions using multivariable ... More
Quantum Computing as a High School ModuleApr 29 2019Quantum computing is a growing field at the intersection of physics and computer science. This module introduces three of the key principles that govern how quantum computers work: superposition, quantum measurement, and entanglement. The goal of this ... More
An experiment to address conceptual difficulties in slipping and rolling problemsApr 29 2019The kinematics of a rigid body that undergoes a transition from slipping to rolling without slipping poses considerable difficulties for students. In the experiment described here, a bicycle wheel that was initially spinning freely was placed in contact ... More
Construction of a Model of the Solar System with Temperature Control for Visually Impaired StudentsApr 24 2019In this work, we present a study carried out to develop a didactic kit based on the use of touch and thermal receivers for the teaching of Astronomy. The proposal arose in the face of the difficulties encountered in the search for experiments capable ... More
An Instrument-Free Demonstration of Quantum Key Distribution for High-School StudentsApr 23 2019It has become increasingly common for high-school students to see media reports on the importance of quantum mechanics in the development of next-generation industries such as drug development and secure communication, but few of them have been exposed ... More
Participating in the Physics Lab: Does Gender Matter?Apr 19 2019It is a well-studied notion that women are under-represented in the physical sciences, with a "leaky pipeline" metaphor describing how the number of women decreases at higher levels in academia[1,2]. It is unclear, however, where the major leaks exist ... More
Coconuts and Islanders: A Statistics-First Guide to the Boltzmann DistributionApr 07 2019The Boltzmann distribution is one of the key equations of thermal physics and is widely used in machine learning as well. Here I derive a Boltzmann distribution in a simple pedagogical example using only tools from a first-year probability course. The ... More
Physics problems and instructional strategies for developing social networks in university classroomsApr 05 2019In this study, we explored the extent to which problems and instructional strategies affect social cohesion and interactions for information seeking in physics classrooms. Three sections of a mechanics physics course taught at a Chilean University in ... More
Design, Analysis, Tools, and Apprenticeship (DATA) LabApr 03 2019Recently, there have been several national calls to emphasize physics practices and skills within laboratory courses. In this paper, we describe the redesign and implementation of a two-course sequence of algebra-based physics laboratories at Michigan ... More
A purely geometrical method of determining the location of a smartphone accelerometerMar 27 2019In a paper ( posthumously ) co-authored by Isaac Newton himself, the primacy of geometric notions in pedagogical expositions of centripetal acceleration has been clearly asserted. In the present paper we demonstrate how this pedagogical prerogative can ... More
A purely geometrical method of determining the location of a smartphone accelerometerMar 27 2019Mar 28 2019In a paper ( posthumously ) co-authored by Isaac Newton himself, the primacy of geometric notions in pedagogical expositions of centripetal acceleration has been clearly asserted. In the present paper we demonstrate how this pedagogical prerogative can ... More
Network analyses of student engagement with on-line textbook problemsMar 27 2019Problem solving in physics and mathematics have been characterized in terms of five phases by Schonfeld and these have previously been used to describe also online and blended behavior. We argue that expanding the use of server logs to make detailed categorizations ... More
A little knowledge is a dangerous thing: excess confidence explains negative attitudes towards scienceMar 26 2019Scientific knowledge has been accepted as the main driver of development, allowing for longer, healthier, and more comfortable lives. Still, public support to scientific research is wavering, with large numbers of people being uninterested or even hostile ... More
Measuring light with light dependent resistors: an easy approach for optics experimentsMar 24 2019We entertain the use of light dependent resistors as a viable option as measuring sensors in optics laboratory experiments or classroom demonstrations. The main advantages of theses devices are essentially very low cost, easy handling and commercial availability ... More
Cheap and versatile humidity regulator for environmentally controlled experimentsMar 21 2019The control of environmental conditions is crucial in many experimental work across scientific domains. In this technical note, we present how to realize a cheap humidity regulator based on a PID controller driven by an Arduino microcontroller. We argue ... More
Bourdieu, networks, and movements: Using the concepts of habitus, field and capital to understand a network analysis of gender differences in undergraduate physicsMar 20 2019Current trends suggest that significant gender disparities exist within Science, Technology, Engineering, and Mathematics (STEM) education at university, with female students being underrepresented in physics, but more equally represented in life sciences ... More
Measuring the Effectiveness of Learning Resources Via Student Interaction with Online Learning ModulesMar 19 2019We present a new method for measuring the effectiveness of online learning resources, through the analysis of time-stamped log data of students' interaction with a sequence of online learning modules created based on the concept of mastery learning. Each ... More
Relative impacts of different grade-scales on student success in introductory physicsMar 15 2019Mar 19 2019In deciding on a student's grade in a class, an instructor generally needs to combine many individual grading judgments into one overall judgment. Two relatively common numerical scales used to specify individual grades are the 4-point scale (where each ... More
Relative impacts of different grade-scales on student success in introductory physicsMar 15 2019In deciding on a student's grade in a class, an instructor generally needs to combine many individual grading judgments into one overall judgment. Two relatively common numerical scales used to specify individual grades are the 4-point scale (where each ... More
Classical realization of the quantum Deutsch algorithmMar 15 2019In the rapidly growing area of quantum information, the Deutsch algorithm is ubiquitous and, in most cases, the first one to be introduced to any student of this relatively new field of research. The reason for this historical relevance stems from the ... More
Mathematical Sensemaking as Seeking Coherence between Calculations and Concepts: Instruction and Assessments for Introductory PhysicsMar 13 2019What kind of problem-solving instruction can help students apply what they have learned to solve the new and unfamiliar problems they will encounter in the future? We propose that mathematical sensemaking, the practice of seeking coherence between formal ... More
Mathematical Sensemaking as Seeking Coherence between Calculations and Concepts: Instruction and Assessments for Introductory PhysicsMar 13 2019Mar 18 2019What kind of problem-solving instruction can help students apply what they have learned to solve the new and unfamiliar problems they will encounter in the future? We propose that mathematical sensemaking, the practice of seeking coherence between formal ... More
A framework for the natures of negativity in introductory physicsMar 09 2019Mathematical reasoning skills are a desired outcome of many introductory physics courses, particularly calculus-based physics courses. Positive and negative quantities are ubiquitous in physics, and the sign carries important and varied meanings. Novices ... More
"Perché il mare è blu?": una rivisitazione in chiave pedagogica ("Why is the sea blue": a pedagogical review)Mar 09 2019Popularized explanations of the color of the sea often prove to be incomplete or oversimplified, and hence inadequate to become acquainted with the phenomenon in its whole. In this paper, after a historical review of the investigations on the subject ... More
Haptics-Augmented Physics Simulation: Coriolis EffectMar 07 2019The teaching of abstract physics concepts can be enhanced by incorporating visual and haptic sensory modalities in the classroom, using the correct perspectives. We have developed virtual reality simulations to assist students in learning the Coriolis ... More
Using the LifeGrid Interview Technique in Science Education ResearchMar 06 2019Qualitative interviewing is an essential tool utilized by Science, Technology, Engineering, and Mathematics (STEM) education researchers to explore and describe the experiences of students, educators, or other educational stakeholders. Some interviewing ... More
Using the Euler method in a spreadsheet to study a nonlinear oscillatorMar 05 2019The one-dimensional nonlinear oscillations of a magnet attached to a spring and interacting with a set of magnets are analyzed theoretically and experimentally. The equation of motion is solved numerically using the Euler method in a spreadsheet. The ... More
Dynamics of a yoyo using a smartphone gyroscope sensorMar 04 2019The dynamics of a traditional toy, the yoyo, is investigated theoretically and experimentally using smartphone' sensors. In particular, using the gyroscope the angular velocity is measured. The experimental results are complemented thanks to a digital ... More
Investigating Academic Major Differences in perception of Computer Self-efficacy and Intention toward E-learning Adoption in ChinaMar 03 2019Recognizing the underlying relationship between e-learning practice and the institutional environments hosted in, the Chinese educational practice on branching high school students into science, technology, engineering, and mathematics (STEM) and non-STEM ... More
Improving students' understanding of rotating frames of reference using videos from different perspectivesFeb 26 2019The concepts of the Coriolis and the centrifugal force are essential in various scientific fields and they are standard components of introductory physics lectures. In this paper we explore how students understand and apply concepts of rotating frames ... More
Cloud service CoCalc as a means of forming the professional competencies of the mathematics teacherFeb 26 2019The special issue contains a monograph by M. Popel, in which the methodical foundations of the formation of professional competences of mathematics teachers in institutions of higher education of Ukraine are considered; the place of cloud service CoCalc ... More
Do GRE scores help predict getting a physics Ph.D.? A comment on a paper by Miller et alFeb 25 2019Apr 21 2019A recent paper in Sci. Adv. by Miller et al. concludes that GREs do not help predict whether physics grad students will succeed in getting Ph.D.s. The paper makes numerous egregious elementary statistics errors, including variance inflation by collinearity ... More
Do GRE scores help predict getting a physics Ph.D.? A comment on a paper by Miller et alFeb 25 2019Mar 18 2019A recent paper in Sci. Adv. by Miller et al. concludes that GREs do not help predict whether physics grad students will succeed in getting Ph.D.s. The paper makes numerous egregious elementary statistics errors, including variance inflation by collinearity ... More
Do GRE scores help predict getting a physics Ph.D.? A comment on a paper by Miller et alFeb 25 2019A recent paper in Sci. Adv. by Miller et al. concludes that GREs do not help predict whether physics grad students will succeed in getting Ph.D.s. The paper makes numerous egregious elementary statistics errors, including variance inflation by collinearity ... More
Do GRE scores help predict getting a physics Ph.D.? A comment on a paper by Miller et alFeb 25 2019Mar 06 2019A recent paper in Sci. Adv. by Miller et al. concludes that GREs do not help predict whether physics grad students will succeed in getting Ph.D.s. The paper makes numerous egregious elementary statistics errors, including variance inflation by collinearity ... More
Do GRE scores help predict getting a physics Ph.D.? A comment on a paper by Miller et alFeb 25 2019Apr 01 2019A recent paper in Sci. Adv. by Miller et al. concludes that GREs do not help predict whether physics grad students will succeed in getting Ph.D.s. The paper makes numerous egregious elementary statistics errors, including variance inflation by collinearity ... More
Gravitation: from Newton to EinsteinFeb 19 2019This document gathers the notes of a 30-hour review course on gravitation, which I delivered in January 2018 and January 2019 at the African Institute for Mathematical Sciences of Cameroon (AIMS-Cameroon). Its main goal is to propose a big picture of ... More
Minimal Tools for Accurately Measuring the Coefficient of Kinetic FrictionFeb 10 2019Measuring the coefficient of kinetic friction is much more difficult than that of the static counterpart. Here we report a simple method using minimal tool to accurately measuring the coefficient of kinetic friction. We employed an inclined plane, the ... More
Teaching Physics at School and CollegesFeb 08 2019Invited contribution to the inaugural issue of {\em Physics Educator.}
Best Practices for Administering Attitude and Beliefs SurveysFeb 07 2019Physics faculty care about their students learning physics content. In addition, they usually hope that their students will learn some deeper lessons about thinking critically and scientifically. They hope that as a result of taking a physics class, students ... More
Deformation of an inflated bicycle tire when loadedFeb 07 2019The deformation of a loaded bike tire has been analyzed with a model consisting of a toroid of thin inextensible walls mounted on a central rim. If the tire radius is much shorter than the rim radius, the deflection, d, of the tire can be calculated as ... More
Interactive molecular dynamics in virtual reality from quantum chemistry to drug binding: An open-source multi-person frameworkFeb 05 2019May 01 2019As molecular scientists have made progress in their ability to engineer nano-scale molecular structure, we are facing new challenges in our ability to engineer molecular dynamics (MD) and flexibility. Dynamics at the molecular scale differs from the familiar ... More
An open-source multi-person virtual reality framework for interactive molecular dynamics: from quantum chemistry to drug bindingFeb 05 2019Conceptually, the mechanics of nanoscale molecular objects arise through electrostatic forces acting on particles in non-uniform fields, and are relatively well characterized owing to decades of study. Nevertheless, because dynamics at this scale differ ... More
An open-source multi-person virtual reality framework for interactive molecular dynamics: from quantum chemistry to drug bindingFeb 05 2019Feb 12 2019Conceptually, the mechanics of nanoscale molecular objects arise through electrostatic forces acting on particles in non-uniform fields, and are relatively well characterized owing to decades of study. Nevertheless, because dynamics at this scale differ ... More
Video-based analysis of the transition from slipping to rollingJan 30 2019Jan 31 2019The problem of a disc or cylinder initially rolling with slipping on a surface and subsequently transitioning to rolling without slipping is often cited in textbooks. The following experiment serves to clearly demonstrate the transition from rolling with ... More
Additional material to "Levitation? Yes, it is possible!"Jan 28 2019This document contains supplementary material for the article with the same title that appeared in American Journal of Physics in 2019
Python script used as simulator for the teaching of electric field in electromagnetism courseJan 24 2019We present this work like software tool developed in Python, based on a methodology to obtain the electric field produced by n charges. The tool was developed and implemented in courses of electromagnetism and laboratory in three institutions of higher ... More
Entangle me! A game to demonstrate the principles of Quantum MechanicsJan 22 2019We introduce a game to illustrate the principles of quantum mechanics using a qubit (or spin-first) approach, where students can experience and discover its puzzling features first-hand. Students take the role of particles and scientists. Scientists unravel ... More
Quantifying critical thinking: Development and validation of the Physics Lab Inventory of Critical thinking (PLIC)Jan 21 2019Introductory physics lab instruction is undergoing a transformation, with increasing emphasis on developing experimentation and critical thinking skills. These changes present a need for standardized assessment instruments to determine the degree to which ... More
Training Future Engineers to Be Ghostbusters: Hunting for the Spectral Environmental RadioactivityJan 18 2019Although environmental radioactivity is all around us, the collective public imagination often associates a negative feeling to this natural phenomenon. To increase the familiarity with this phenomenon we have designed, implemented, and tested an interdisciplinary ... More
Simplifying the vacuum bazookaJan 17 2019Mar 19 2019This paper provides a simplified explanation of the vacuum bazooka through diagrams and builds a theoretical model only using concepts found in introductory mechanics. Our theory suggests that the velocity of the projectile is proportional to the hyperbolic ... More
Simplifying the vacuum bazookaJan 17 2019This paper provides a simplified explanation of the vacuum bazooka through diagrams and builds a theoretical model only using concepts found in introductory mechanics. Our theory suggests that the velocity of the projectile is proportional to the hyperbolic ... More
Results From Impact Assessment on Society and scientists of Frascati Scienza European Researchers' Night in Years 2006-2015Jan 17 2019The aim of this paper is to present the impact achieved by Frascati Scienza Association on society and research through the European Researchers' Night project funded by the European Commission within the years 2006-2015. The project has been devoted ... More
12 Years of Data, Results and Experiences in the European Researchers' Night ProjectJan 17 2019Since twelve years the researchers of the Roman area organize the European Researchers' Night, a project funded by European Commission to discover science and meet researchers through an Europe-wide public event dedicated to fun learning. Since the first ... More
12 Years of Data, Results and Experiences in the European Researchers' Night ProjectJan 17 2019Feb 12 2019Since twelve years the researchers of the Roman area organize the European Researchers' Night, a project funded by European Commission to discover science and meet researchers through an Europe-wide public event dedicated to fun learning. Since the first ... More
Women in Physics: Scissors Effect from the Brazilian Olympiad of Physics to Professional LifeJan 16 2019Despite the legislation in force in most countries and the discourse on gender equality, the observed reality, still today, shows a clear picture of inequality and restrictions for women, particularly when the issue is the choice of a career and the subsequent ... More
Using CoCalc as a Training Tool for Mathematics Teachers Pre-Service TrainingJan 16 2019This paper deals with the problem of theoretical justification and development of scientific and methodological support for using the cloud service CoCalc as a tool for the formation of mathematics teachers professional competencies. The paper describes ... More
Sensors based on micromechanical devices: mobile labs at the service of experimental science teachingJan 15 2019In this paper we discuss the use of sensors incorporated in mobile devices as possible mobile laboratories at the service of teaching experimental sciences. Mobile devices, smartphones, tablets, laptops, microbit cards, are a resource for making measurements ... More
Physics experiments using simultaneously more than one smartphone sensorsJan 15 2019In the last years, numerous Physics experiments using smartphone sensors have been reported in the literature. In this presentation we focus on a less-explored feature of the smartphones: the possibility of using (measure and register data) simultaneously ... More
Going back to the roots: how to create stroboscopic photos from digital videosJan 15 2019We show here how to create from digital films using the well-known software Tracker stroboscopic photos in order to analyze different types of movements. The advantage of this procedure is that it is possible to analyze the printed photo or on a computer ... More
A dynamical model of remote-control model carsJan 15 2019Simple experiments for which differential equations cannot be solved analytically can be addressed using an effective model that satisfactorily reproduces the experimental data. In this work, the one-dimensional kinematics of a remote-control model (toy) ... More
How accurate is an Arduino Ohmmeter?Jan 12 2019The Arduino platform is widely used in education of physics to perform a number of different measurements. Teachers and students can build their own instruments using various sensors, the analogue-to-digital converter of the Arduino board and code to ... More
Universal Arduino-based experimenting system to support teaching of natural sciencesJan 12 2019The rapid evolution of intelligent electronic devices makes information technology, computer science and electronics strongly related to the teaching of natural sciences. Today almost everybody has a smart phone that can convert light, temperature, movement, ... More
Developing a reasoning inventory for measuring physics quantitative literacyJan 10 2019In an effort to improve the quality of citizen engagement in workplace, politics, and other domains in which quantitative reasoning plays an important role, Quantitative Literacy (QL) has become the focus of considerable research and development efforts ... More
Using think-aloud interviews to characterize model-based reasoning in electronics for a laboratory course assessmentJan 08 2019Models of physical systems are used to explain and predict experimental results and observations. The Modeling Framework for Experimental Physics describes the process by which physicists revise their models to account for the newly acquired observations, ... More
Simple and open 4f Koehler transmitted illumination system for low-cost microscopic imaging and teachingJan 06 2019Koehler transillumination is a powerful imaging method, yet commercial Koehler condensers are difficult to integrate into tabletop systems and make learning the concepts of Koehler illumination difficult. We propose a simple 4f Koehler illumination system ... More
The 2nd Workshop on Hacking and Making at Time-Bounded EventsJan 03 2019In hackathons, small teams work together over a specified period of time to complete a project of interest. Such time-bounded hackathon-style events have become increasingly popular across different domains in recent years. Collegiate hackathons, just ... More
Augmenting the fine beam tube: From hybrid measurements to magnetic field visualizationJan 03 2019We present an Augmented Reality (AR) enhanced and networked fine beam tube experiment for undergraduate physics education. In order to determine the charge-to-mass ratio of the electron students are able to record all measurement values digitally within ... More
Quantum 3: Learning QCD through Intuitive PlayDec 31 2018Mar 16 2019There is a nationwide drive to get more girls into physics and coding, and some educators believe gaming could be a way to get girls interested in coding and STEM topics. This project, sponsored by NSF, is to create a QCD game that will raise public interest ... More
Quantum 3: Learning QCD through Intuitive PlayDec 31 2018There is a nationwide drive to get more girls into physics and coding, and some educators believe gaming could be a way to get girls interested in coding and STEM topics. This project, sponsored by NSF, is to create a QCD game that will raise public interest ... More
Relatively complicated? Using models to teach general relativity at different levelsDec 30 2018This review presents an overview of various kinds of models -- physical, abstract, mathematical, visual -- that can be used to present the concepts and applications of Einstein's general theory of relativity at the level of undergraduate and even high-school ... More
On times and shadows: the observational analemmaDec 27 2018The observation that the shadows of objects change during the course of the day and also for a fixed time during a year led curious minds to realize that the Sun could be used as a timekeeper. However, the daily motion of the Sun has some subtleties, ... More
An electronic data management and analysis application for ABET accreditationDec 22 2018This article presents an application developed for electronically managing and analyzing assessment data for ABET accreditation purposes using Microsoft Access. It facilitates the data entry, analysis and record-keeping for criterion 3 and 4 of the ABET ... More
Design and experimental study of Tesla's thermomagnetic engineDec 22 2018The scientists have shown great interest in the search for alternative means to generate energy, which are not contaminants and generate significant damage to the environment. One of the quite viable possibilities for this is to consider the construction ... More
Scanning for time: Science and art on a photocopierDec 22 2018Combine the scanning properties of a common office photocopier with an object in motion to create stunning imagery. Produce a scan or hard copy that records the artifact of two motions, the moving object and the moving photocopier scan bar. Images illustrate ... More
Super-resolution imaging within reachDec 14 2018Dec 18 2018Although several optical techniques have been recently developed in order to overcome the resolution limit in microscopy, the imaging of sub-wavelength features is still a real challenge. In practise, super-resolution techniques remain difficult to build ... More
Gamified Automation in Immersive Media for Education and ResearchDec 11 2018The potential of using video games as well as gaming engines for educational and research purposes is promising, especially with the current progress of Industry 4.0 technologies such as augmented and virtual reality devices. However, it is important ... More
Modèles de jeux sérieux collaboratifs et mobilesDec 11 2018Mobile Collaborative Learning Games combine all the ingredients necessary to attract students' attention and engage them in learning activities. However, designing a coherent game scenario that combines mobility, game mechanics and collaborative learning ... More
Experimental and numerical study for the representation of standing waves in a Kundt's tubeDec 11 2018The study of the behavior of a standing wave inside a resonant cavity, such as a closed tube, has always been of great revelation in the manufacture of wind musical instruments, in addition to research carried out on the transfer and absorption of heat, ... More
Experimental and theoretical calculation of gravity and moment of inertia using a physical pendulumDec 10 2018In the course of basic physics, more precisely the course of classical mechanics should be understood as clearly as possible the subject of rotational dynamics for students of science and engineering, to have clarity with the issues concerning rotational ... More
Voltmeter in series?Dec 07 2018The April, 2018 Challenge, Why so series? shows a circuit, where a voltmeter is connected in series. Indeed, real voltmeters have finite input resistance, therefore one can think that they can be used as conductive components. In addition, they show the ... More
Conservation laws for classical particles in Anti-de Sitter-Beltrami spaceDec 04 2018In this paper we consider the conservation laws for classical particles in $AdS_4$. At first we parameterize a geodesic line and construct conserved quantities with analog of five dimensional Minkowski space-time $M^{(2,3)}$. Consequently we change $AdS_4$ ... More
Simulating Tidal Interactions between Galaxies: A Pre-University Student ProjectNov 29 2018We report on a project undertaken in Summer 2017 by pre-university student interns at Haus der Astronomie: point-particle simulations of galaxy collisions with the aim of reproducing observational data from such collisions. We succeeded in providing a ... More
Optics undergraduate experiments using smart (and not so smart) phonesNov 23 2018Nov 27 2018Smartphones may be seen as miniature toolboxs to perform Physics experiments. In this paper, we present three different "optics workbenches" mainly based on the light meter of a smartphone. One is aimed at the precise study of Malus law and other effects ... More
Modern Physics SimulationsNov 23 2018Modern physics is now a regular course for non-physics majors who do not have to take the accompanying laboratory. This lack of an experimental component puts the engineering students at a disadvantage. A possible solution is the use of computer simulations ... More
Using reflections to explore student learning during the project component of an advanced laboratory courseNov 18 2018We redesigned an advanced physics laboratory course to include a project component. The intention was to address learning outcomes such as modeling, design of experiments, teamwork, and developing technical skills in using apparatus and analyzing data. ... More
Observation of the Talbot effect with water wavesNov 16 2018When light is incident upon a diffraction grating, images of the grating appear at periodic intervals behind the grating. This phenomenon and the associated self-imaging distance were named after Talbot who first observed them in the nineteenth century. ... More
Pitfalls in the teaching of elementary particle physicsNov 15 2018Elementary particle physics is gradually implemented into science curricula at high school level. However, common presentations on educational, semi-technical or popular level contain or support severe misconceptions. We discuss in particular the notion ... More
A paraxial cloak with four lenses of different focal lengthsNov 14 2018We demonstrate cloaking with four lenses of different focal lengths. To achieve this, we compute the separation distances between lenses such that the effective ABCD matrix is equal to just a propagation in free space. Previously, calculations using this ... More
A paraxial cloak with four lenses of different focal lengthsNov 14 2018Feb 22 2019We demonstrate cloaking with four lenses of different focal lengths. To achieve this, we compute the separation distances between lenses such that the effective ABCD matrix is equal to just a propagation in free space. Previously, calculations using this ... More
Conjugate two-dimensional electric potential mapsNov 13 2018Two dimensional electric potential maps based on voltage detection in conducting paper are common practice in many physics courses in college. Most frequently, students work on `capacitor-like' geometries with current flowing between two opposite electrodes. ... More
Applications of sinusoidal phase modulation in temporal optics to highlight some properties of the Fourier transformNov 12 2018Fourier analysis plays a major role in the analysis and understanding of many phenomena in physics and contemporary engineering. However, students, who have often discovered this notion through numerical tools, do not necessarily understand all the richness ... More
Resource Letter RBAI-2: Research-based assessment instruments: Beyond physics topicsNov 07 2018This Resource Letter provides a guide to research-based assessment instruments (RBAIs) for physics and astronomy classes, but goes beyond physics and astronomy topics to include: attitudes and beliefs about physics, epistemologies and expectations, the ... More