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and astrophysicists
The optimal level is narrow because PFC neurons rely on dopamine to filter signal from noise
Fetus necklace | sterling silver
brain necklace | silver
The rest are gifts to students entering the field or to teachers who marked someone's first encounter with the constant
Feynman scattering necklace | gold vermeil Dan and astrophysicistsFeynman 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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