it is easy for me to answer this question, from “personal experience”.
When I studied physics as an undergraduate, over 40 years ago, science had already demonstrated an extensive technological use of the many “modern” theories about electrons and photons.
After all, my parents grew up in a world when Adolf Hitler or Winston Churchill or FDR could talk on the radio to their citizens. And I grew up with television, and watching Carl Sagan tell me on his television series everything I already knew from reading books and studying physics at university.
The technolopgy of the radiophone and radiotelevision, and the primitive electronic computers, that I grew up with had already changed the world in very fundamental ways
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Answer:
it is easy for me to answer this question, from “personal experience”.
When I studied physics as an undergraduate, over 40 years ago, science had already demonstrated an extensive technological use of the many “modern” theories about electrons and photons.
After all, my parents grew up in a world when Adolf Hitler or Winston Churchill or FDR could talk on the radio to their citizens. And I grew up with television, and watching Carl Sagan tell me on his television series everything I already knew from reading books and studying physics at university.
The technolopgy of the radiophone and radiotelevision, and the primitive electronic computers, that I grew up with had already changed the world in very fundamental ways