History
Hideki Yukawa showed in the 1930s that such a potential arises from the exchange of a massive scalar field such as the field of the pion whose mass is . Since the field mediator is massive the corresponding force has a certain range, which is inversely proportional to the mass.
Read more about this topic: Yukawa Potential
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“A poet’s object is not to tell what actually happened but what could or would happen either probably or inevitably.... For this reason poetry is something more scientific and serious than history, because poetry tends to give general truths while history gives particular facts.”
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