= Quantum mechanics
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= Quantum mechanical
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= Quantum
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Quantum mechanics is quite a broad term. Perhaps it is best to start approaching it from the division into:
* <non-relativistic quantum mechanics>: obviously the simpler one, and where you should start
* <relativistic quantum mechanics>: more advanced, and arguably "less useful"
Key experiments that could not work without quantum mechanics: <quantum mechanics experiment>{full}.
Mathematics: there are a few models of increasing precision which could all be called "quantum mechanics":
* <Schrödinger equation>
* <Dirac equation>
* <quantum electrodynamics>
<Ciro Santilli> feels that the <deep tech>[largest technological revolutions since the 1950's have been quantum related], and will continue to be for a while, from deeper understanding of chemistry and materials to <quantum computing>, understanding and controlling quantum systems is where the most interesting frontier of technology lies.