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the iconic circular structure that has been the working object of molecular biology ever since
and people for whom the XX karyotype carries personal weight
with a receptor-binding domain at its tip
The papillary muscles anchor the chordae tendineae that hold the atrioventricular valves shut against ventricular pressure
Feynman scattering necklace | gold vermeil MnM the iconic circular structure thatFeynman 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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