QScratch: introduction to quantum mechanics concepts through block-based programmingDaniel Escanez-Exposito, Marcos Rodriguez-Vega, Carlos Rosa-Remedios and Pino Caballero-GilEPJ Quantum Technol., 12 1 (2025) 12DOI: https://doi.org/10.1140/epjqt/s40507-025-00314-9