What is Quantum Theory and Why Do Electrons Orbit at Specific Distances?

quantum brain
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can anyone please explain in detail what the quantum theory is and how it is different from normal physics?
 
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There are millions of good books and web sites.

And why is not quantum physics "normal" physics?
 
quantum brain said:
can anyone please explain in detail what the quantum theory is and how it is different from normal physics?
About the difference between the quantum theory and classics physics, I think that quantum physics is a theory about coherent particle, and classics physics is a theory about decoherent particle.
 
how our universe is created from some basic material ? after big bang why protons are of particuler sizes ? after some time why protons oppose its material? why electrons are at particuler distance from nuclease?
 
mehul ahir said:
why electrons are at particuler distance from nuclease?

They are?
 

Thread 'Prof Mike Wiest's proposed link between quantum and consciousness'

I am not sure if this belongs in the biology section, but it appears more of a quantum physics question. Mike Wiest, Associate Professor of Neuroscience at Wellesley College in the US. In 2024 he published the results of an experiment on anaesthesia which purported to point to a role of quantum processes in consciousness; here is a popular exposition: https://neurosciencenews.com/quantum-process-consciousness-27624/ As my expertise in neuroscience doesn't reach up to an ant's ear...
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Thread 'Quantum Entanglement is a Kinematic Fact, not a Dynamical Effect'

Insights auto threads is broken atm, so I'm manually creating these for new Insight articles. Towards the end of the first lecture for the Qiskit Global Summer School 2025, Foundations of Quantum Mechanics, Olivia Lanes (Global Lead, Content and Education IBM) stated... Source: https://www.physicsforums.com/insights/quantum-entanglement-is-a-kinematic-fact-not-a-dynamical-effect/ by @RUTA
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Thread 'Entanglement might be the result of an underlying law?'

This is still a great mystery, Einstein called it ""spooky action at a distance" But science and mathematics are full of concepts which at first cause great bafflement but in due course are just accepted. In the case of Quantum Mechanics this gave rise to the saying "Shut up and calculate". In other words, don't try to "understand it" just accept that the mathematics works. The square root of minus one is another example - it does not exist and yet electrical engineers use it to do...
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