<transcript><audio_16> que antes, como no teníamos todas las tecnologías que tenemos ahora, oíamos la música por cassettes y veíamos las películas por VHS. Y entonces yo hacía esas cintas.</transcript><transcript><audio_17> Pues sí, porque luego ya llegué a farmacia y claro, esas cosas que les interesaban los físicos y a los industriales que estaban en esas áreas, pues a mis alumnos de farmacia no les interesaba.</transcript><transcript><audio_18> Y entonces lo que yo sabía, que era trabajar con sólidos y en ciencia de materiales, busqué aplicaciones en el campo médico. Expliquemos, ¿cuáles son esas aplicaciones? Porque hemos hablado de materiales mesoporosos, de aplicaciones...</transcript> older people will remember that before, since we didn't have all the technologies that we have now, we listened to music on cassettes and watched movies by chance.  vs and for And then well  I made those tapes, you know, that was the first thing I did, what a change. Well, yes, because then I came to pharmacy and of course these things were interesting to the physicists and, well, to the industrialists who were in those areas. Well, my pharmacy students were not interested.  I had no interest And then what I knew was working with solids and in materials science I looked for applications in the medical field let's explain what those applications are because we have talked about mesoporous materials of
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