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| The classic signature of tau neutrinos in underwater/ice neutrino telescopes is the "double bang:" two showers connected by a dim tau lepton track. However, double bangs are only observable in a narrow energy band of around 1-10 PeV determined by the spatial resolution and extent of km scale detectors, although "lollipops," partially contained double bangs, may also be detected at higher energies. We point out that an alternative signature of tau, from muonic decay, should also be detectable over a wide range of energies. |