Editor’s letter

Resumen

Dear readers,

We are pleased to present this new issue of Tono Journal, which showcases the vitality and ingenuity of the scientific and technical community like no other. The papers in this issue once again reveal that in Cuba, innovation is fueled by a powerful combination of an understanding of global trends and the creative ability to apply them to our context with practical, high-impact solutions.

In short, this issue is a testament to technological sovereignty. The journal’s editorial team would like to thank all the authors and contributors who shared their work, thereby enriching the fields of national science and technology