I mean Heinrich Hertz, who proved Maxwell's electromagnetic wave theory also said "It's of no use whatsoever[...] this is just an experiment that proves Maestro

I mean Heinrich Hertz, who proved Maxwell's electromagnetic wave theory also said "It's of no use whatsoever[...] this is just an experiment that proves Maestro Maxwell was right—we just have these mysterious electromagnetic waves that we cannot see with the naked eye. But they are there." [1] How wrong he was. [1] https://en.wikipedia.org/wiki/Heinrich_Hertz https://en.wikipedia.org/wiki/Heinrich_Hertz