Sometimes I find items that look pretty, but I don't really understand. These sterling silver Quantum Bit earrings from nicholasandfelice at Etsy fall into that category. The description:We stamp these sterling silver earrings with Bra-Ket (Dirac)notation for the Quantum Bit basis states of ket 1 and ket 0 from our own die. The earrings are 5/8" diameter (15.87mm) and with the sterling silver ear wire are about 1-1/8" long (28.57mm).
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