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    • Metallic microswimmers driven up the wall by gravity 

      Brosseau, Quentin; Balboa, F.Autoridad BCAM; Lushi, Enkeleida; Wu, Yang; Ristroph, Leif; Ward, Michael D.; Shelley, Michael J.; Zhang, Jun (2021-07-21)
      Experiments on autophoretic bimetallic nanorods propelling within a fuel of hydrogen peroxide show that tail-heavy swimmers preferentially orient upwards and ascend along inclined planes. We show that such gravitaxis is ...