  Slime mould Physarum polycephalum is a large single cell visible by unaided
eye. We design a slime mould implementation of a tactile hair, where the slime
mould responds to repeated deflection of hair by an immediate high-amplitude
spike and a prolonged increase in amplitude and width of its oscillation
impulses. We demonstrate that signal-to-noise ratio of the Physarum tactile
hair sensor averages near six for the immediate response and two for the
prolonged response.
