In summary, the conversation discusses the possibility of using quarks instead of electrons for electronics. However, the issue of confinement and the fact that quarks are never found in isolation presents a challenge. Additionally, while electrons are generally smaller than quarks, the size of quarks can vary.
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Quantummanphoton
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TL;DR Summary
Would it be possible to make quark Transistors to accelerate Moore's law?
Instead of electron transistors why not go smaller particles like quarks?
Metals have plenty of free electrons that we use for electronics today.
Where is there a pool of free quarks that we might be able to control, which will not react with each other or their container?
There is another form of confinement that will be a bit of a problem.
Wikipedia says; "Owing to a phenomenon known as color confinement, quarks are never found in isolation; they can be found only within hadrons, ..."
Also; Electrons are smaller than quarks. However, quarks vary in size. A single electron is about 1/5th the size of a very small quark. So all electrons are smaller than all quarks.