Quantum particles have been defined as a "Point"
Duality of the quantum “Point”
"Figaro here, Figaro there,
Figaro up, Figaro down,
Swifter and swifter I'm like a spark:
I'm the handyman of the city.
Ah, bravo Figaro! Bravo, very good;
Fortunately for you I will not fail.”
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“Figaro! Figaro...