activity
20122026
most citedDirect visualization of mechanical beats by means of an oscillating smartphone

16 citations · 48 across the 22 of their papers we have counts for

collaborators

25 papers

physics.ed-ph2026

From Prompts to Physical Laws: A Generative AI Workflow for Engineering Physics Education

Laura B. Alvarado-Cruz, Josep Ll. Suñer, Pedro Yuste +3

This work explores the use of generative artificial intelligence (AI) as a source of synthetic experimental content for introductory physics courses in engineering education. Using…

physics.ed-ph2026

Analytical and Experimental Study of a Variable-Mass Oscillator with Constant Mass Loss

Rod Milbrandt, Josep Ll. Suñer, Juan C. Castro-Palacio +2

We present an analytical and experimental study of a variable-mass oscillator with constant mass loss. Starting from the equation of motion of a spring-mass system whose mass decre…

physics.ed-ph2026

Bringing Engineering into the Physics Lab: Exploring Crank-Slider Dynamics with Smartphones

Josep Ll. Suñer, Rod Milbrandt, Juan C. Castro-Palacio +3

Many of the students enrolled in the calculus-based physics sequence are pursuing engineering degrees. Lab activities that have a direct connection to engineering, analyzed with th…

physics.ed-ph2026

Uniform and Accelerated Circular Motion with a Smartphone: A No-Code, AI-Generated Browser Laboratory

Josep Ll. Suñer, Francisco M. Muñoz-Pérez, Juan C. Castro-Palacio +4

Smartphones have become a standard measurement instrument in the physics laboratory. Their built-in accelerometers, gyroscopes, magnetometers, and cameras have been used to investi…

physics.ed-ph2025

Combining Physics and Mathematics Learning: A Taylor Series Analysis of an Oscillating Magnetic Field

Santiago Ortuno-Molina, Adrian Garmendia-Martinez, Pedro Fernandez-de-Cordoba +3

In this work, we present a simple and low-cost experiment designed to study the oscillations of the magnetic field created by a cylindrical magnet under two different conditions: f…

physics.ed-ph2025

Using a remote control to determine the infrared absorption coefficient in water

Santiago Ortuno-Molina, Adrian Garmendia-Martinez, Francisco M. Munoz-Perez +2

In this work, we present a simple and low cost experiment designed to determine the infrared water absorption coefficient. We used a TV remote control as a point source of infrared…

physics.ed-ph2025

A very low-current electromagnetic induction experiment enhanced by acoustic means

Santiago Ortuno-Molina, Rod Milbrandt, Juan C. Castro-Palacio +1

We have created a simple, portable, low-cost setup allowing the students and teachers to experiment with and discuss electromagnetic induction in a safe way, using low currents. Th…

physics.ed-ph2025

Visualizing beat phenomenon between two amplitude-modulated (AM) light beams on a solar cell using smartphones

Santiago Ortuno-Molina, Francisco M. Munoz-Perez, Juan C. Castro-Palacio +1

We present a new simple experimental setup for demonstrating beat phenomenon. We have combined two amplitude-modulated light beams on a solar cell using two smartphones as signal g…

physics.ed-ph2024

A diffraction approach to assess the elastic properties of a nylon string

Francisco M. Muñoz-Pérez, Adrián Garmendía-Martínez, Juan C. Castro-Palacio +2

The Youngś modulus of a nylon string has been determined experimentally by combining elasticity theory and wave optics. A diffraction experiment has been setup to determine the cha…

physics.optics2023

Multi-trap optical tweezers based on Kinoform Silver Mean lenses

Francisco M. Muñoz-Pérez, Adrián Garmendía-Martínez, Vicente Ferrando +3

In this paper, we present the design and implementation of multi-trap optical tweezers based on new quadrifocal kinoform lenses. The phase distribution of these diffractive lenses…

physics.ed-ph2023

Visualizing acoustic levitation using COMSOL Multiphysics

Francisco M. Muñoz-Pérez, Juan C. Castro-Palacio, Marcos H. Giménez +1

We present a new virtual laboratory developed with COMSOL Multiphysics for the simulation of an acoustic levitator. Our computer application simulates the acoustic pressure field a…

physics.ed-ph2023

RLC series circuit made simple and portable with smartphones

Ives Torriente-García, Arturo C. Martí, Martín Monteiro +3

This article presents a novel method for studying RLC series circuits using two smartphones, one used as a signal generator and the other as an oscilloscope. We measure the voltage…

physics.ed-ph2023

Experimenting with RC and RL series circuits using smartphones as signal generators and oscilloscopes

Ives Torriente-García, Francisco M. Muñoz-Pérez, Arturo C. Marti +3

Simple, portable and low-cost experiments as RC and RL series circuits are proposed to experiment with DC circuits. Very common elements are used: a few electronics components (res…

physics.optics2023

Multiplexed vortex beam-based optical tweezers

Francisco M. Muñoz-Pérez, Vicente Ferrando, Walter D. Furlan +3

The design and implementation of a multiplexed spiral phase mask in an experimental optical tweezer setup are presented. This diffractive optical element allows the generation of m…

gr-qc2022★ 2 cited

Hyperbolic space in the Newtonian limit: the cosmological constant

J. C. Castro-Palacio, P. Fernandez de Cordoba, R. Gallego Torrome +1

The cosmological constant and the Boltzmann entropy of a Newtonian Universe filled with a perfect fluid are computed, under the assumption that spatial sections are copies of 3-dim…

gr-qc2021★ 3 cited

Spherical space in the Newtonian limit: The cosmological constant

J. M. Isidro, P. Fernandez de Cordoba, J. C. Castro-Palacio

We compute the cosmological constant of a spherical space in the limit of weak gravity. To this end we use a duality developed by the present authors in a previous work. This duali…

q-bio.QM2020

Machinery Failure Approach and Spectral Analysis to study the Reaction Time Dynamics over Consecutive Visual Stimuli

M. E. Iglesias-Martínez, M. Hernaiz-Guijarro, J. C. Castro-Palacio +3

The reaction times of individuals over consecutive visual stimuli have been studied using spectral analysis and a failure machinery approach. The used tools include the fast Fourie…

gr-qc2020★ 4 cited

The cosmological constant of emergent spacetime in the Newtonian approximation

J. C. Castro-Palacio, P. Fernandez de Cordoba, J. M. Isidro

We present a simple quantum-mechanical estimate of the cosmological constant of a Newtonian Universe. We first mimic the dynamics of a Newtonian spacetime by means of a nonrelativi…

physics.data-an2020★ 6 cited

Correlations between Background Radiation inside a Multilayer Interleaving Structure, Geomagnetic Activity, and Cosmic Radiation: A Fourth Order Cumulant-based Correlation Analysis

M. E. Iglesias-Martínez, J. C. Castro-Palacio, F. Scholkmann +7

In this work, we analyzed time-series of background radiation inside a multilayer interleaving structure, geomagnetic activity and cosmic-ray activity using the Pearson correlation…

physics.bio-ph2019★ 2 cited

Brain reaction times: Linking individual and collective behaviour through Physics modelling

Juan Carlos Castro-Palacio, Pedro Fernández de Córdoba, J. M. Isidro +1

An individual's reaction time data to visual stimuli have usually been represented in Experimental Psychology by means of an ex-Gaussian function (EGF). In most previous works, res…

physics.ed-ph2016★ 4 cited

Theoretical and experimental study of the normal modes in a coupled two-dimensional system

Marcos H. Giménez, Juan Carlos Castro-Palacio, José Antonio Gómez-Tejedor +2

In this work, the normal modes of a two-dimensional oscillating system have been studied from a theoretical and experimental point of view. The normal frequencies predicted by the…

physics.ed-ph2016★ 2 cited

Visualizing acoustical beats with a smartphones

Marcos H. Giménez, Isabel Salinas, Juan C. Castro-Palacio +2

In this work, a new Physics laboratory experiment on Acoustics beats is presented. We have designed a simple experimental setup to study superposition of sound waves of slightly di…

physics.ed-ph2016★ 16 cited

Direct visualization of mechanical beats by means of an oscillating smartphone

Marcos H. Giménez, Juan C. Castro-Palacio, Juan A. Monsoriu

The resonance phenomenon is widely known from Physics courses. Qualitatively speaking, it takes place in a driven oscillating system whenever the driven frequency approaches the na…

cond-mat.stat-mech2013★ 6 cited

Improving the efficiency of Monte Carlo simulations of systems that undergo temperature-driven phase transitions

L. Velazquez, J. C. Castro-Palacio

Recently, Velazquez and Curilef have proposed a methodology to extend Monte Carlo algorithms based on canonical ensemble, which is aimed to overcome slow sampling problems associat…