Is Ds/dt ≥0? Understanding the Concept of Positive Entropy per Time

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Does it make sense to say "entropy per time" is always positive?
 
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Only if you are referring to the universe as a whole.
 
So I know that electrons are fundamental, there's no 'material' that makes them up, it's like talking about a colour itself rather than a car or a flower. Now protons and neutrons and quarks and whatever other stuff is there fundamentally, I want someone to kind of teach me these, I have a lot of questions that books might not give the answer in the way I understand. Thanks
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