I had always heard the chocolate bar story.
Is that an urban legend?
I saw a vintage first gen Radar Range at a thrift shop the other day.
It is fun what you can see there sometimes
I believe that chocolate bar story is real, and was really how it was discovered.
That is how much invention happens. Something unexpected happens, and someone sees an opportunity to dig deeper.
“I had always heard the chocolate bar story.
Is that an urban legend?”
The 1930’s had a demonstration of cooking food using radio wave.
Heat therapy with radio waves was done in the 1920’s.