Rubén participated in the children’s program Aprendamos juntos 2030. Electricity from renewable sources, the use of efficient energy, the ways of making light that exist in Nature and many other topics that you can discover in the following link. Enjoy!
https://aprendemosjuntos.bbva.com/kids/que-hay-detras-de-los-enchufes/
Link to Youtube: https://youtu.be/pTVp93ZNKVk