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brain necklace | silver
The optimal level is narrow because PFC neurons rely on dopamine to filter signal from noise
The rest are gifts to students entering the field or to teachers who marked someone's first encounter with the constant
and astrophysicists
UV biologists
Feynman scattering necklace | gold vermeil Dan brain necklace | silverFeynman scattering necklace gold vermeil A Feynman diagram on a chain, in 18K gold vermeil. The geometry is the simplest possible electron photon interaction: two incoming particles, an exchange, two outgoing particles. The diagram is the calculation, not just a drawing of it. The pendant carries that idea at 34 mm. The Science Behind the Scattering Diagram Richard Feynman introduced his diagrammatic notation for quantum electrodynamics in the late
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