Now showing items 1-2 of 2

    • Acoustic streaming, the 'small invention' of cyanobacteria? 

      Koiller, Jair; Ehlers, Kurt M.; Chalub, Fabio
      2010-12
      Micro-engineering pumping devices without mechanical parts appeared 'way back' in the early 1990's. The working principle is acoustic streaming. Has Nature 'rediscovered' this invention 2.7 Gyr ago? Strands of marine ...
    • Micro-swimming without flagella: propulsion by internal structures 

      Ehlers, Kurt M.; Koiller, Jair
      2011-12
      Since a first proof-of-concept for an autonomous micro-swimming device appeared in 2005 a strong interest on the subject ensued. The most common configuration consists of a cell driven by an external propeller, bio-inspired ...