Phys. teach. Phys. teach. Optimizing Particle Visualization in the Classroom: Design, Construction, and Evaluation of Cloud Chambers and Their Use with a Cathode Ray Tube Pozuelo-Muñoz Jorge Universidad de Zaragoza Ranz Lidia Universidad de Zaragoza Terrado Sieso Eva Universidad de Zaragoza Cascarosa Salillas Esther Universidad de Zaragoza 2025 research-article