  Scattering amplitudes are often split up into their color (su(N)) and
kinematic components. Since the su(N) gauge part can be described using flows
of color, one may anticipate that the double su(2) kinematic part can be
described in terms of flows of chirality. In two recent papers we showed that
this is indeed the case, introducing the chirality-flow formalism for standard
model calculations. Using the chirality-flow method -- which builds on and
further simplifies the spinor-helicity formalism -- Feynman diagrams can be
directly written down in terms of Lorentz-invariant spinor inner products,
allowing the simplest and most direct path from a Feynman diagram to a complex
number. In this presentation, we introduce this method and show some examples.
