The angular frequency of rotation of the tissue at the tip follows ω = ∂ ξ (L (t), t) / ∂ t = τ ε g L gz clockwise (looking from the base to the apex, see Fig. 4 C). When incorporating twist into the ...

Clarendon Laboratory, Department of Physics, University of Oxford, OX1 3PU Oxford, U.K. Department of Engineering Science, University of Oxford, OX1 3PJ Oxford, U.K.