Active particles crossing sharp viscosity gradients

HIGHLIGHTS

• who: Jiahao Gong from the DepartmentUniversity of have published the article: Active particles crossing sharp viscosity gradients, in the Journal: Scientific Reports Scientific Reports
• what: The authors develop a simple fluid dynamical model to unravel the physics underlying these experiments. The authors show that the reorientation process is always in the direction of lower viscosity and derive a law, analogous to Snell`s law of refraction, that governs the orientation of active particles in the presence of a viscosity interface. In the following section, the authors provide the essential details of the model and the . . .
  

   

  

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