“How could they have known?”
This is a question I have often asked myself… how could those who have gone before us have known where to begin with an idea that has changed the human world. Take radio, for example. Wiki says that ‘James Clerk Maxwell showed in theoretical and mathematical form in 1864 that electromagnetic waves could propagate through free space…’ That’s all well and dandy, but why and how did he ever start thinking along those lines in the first place? What was it that made him start looking for ways in which it might work? Where did he get the idea?
Where do ideas come from? You can imagine that faced, for instance, with a sealed can of beans, someone might come up with the idea of a can opener… but where did the idea of the tin can come from? Or, for that matter, the idea…
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