used to make clean, oxidation-free electrical contacts in soldered circuit joints. Flux is real.
This is a capacitor. It is used to store electrical energy until it is needed, or to smooth out the flow of electricity into sensitive circuits. Capacitors are real.
This is a flux capacitor. It is used to initiate the time circuits in a time machine built into a DeLorean, a type of high-end automobile. Flux capacitors are not real.
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