orlando yorio got me in touch with fransisco jalics that was living in germany.em and heh confirmed the story, but he did not want to be mentioned in my piece because he told me he preferred to not remember this .ad part of his life tos -- he had decided forget. when i released the book with the story, one argentine journalist working for national , talked with him and asked him for the story. asked him for the story. fransisco jalics told him okay, gang. let's begin. we were talking about radiation, heat transfer by radiation. we've got heat transfer by conduction, heat transfer by convection and, last of all, heat transfer by radiation. and heat transfer by radiation, we talked about this idea. that everything is emitting radiation of some frequency. these are electromagnetic waves. we'll be talking about electromagnetic waves later in the course. and electromagnetic waves have a frequency. there's a high frequency. tick, tick, tick, tick, tick, tick, tick. and there's a low frequency. tick, tick, tick, tick. there's a vibrational frequency to waves. and that v