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The papillary muscles anchor the chordae tendineae that hold the atrioventricular valves shut against ventricular pressure
the iconic circular structure that has been the working object of molecular biology ever since
This 37 mm pendant in 18K gold vermeil renders that arch
Computational biologists working on cell territories
Feynman scattering necklace | gold vermeil MnM The papillary muscles anchor theFeynman 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