Mechanics of gelation distinction between a sol (solution) and a gel therefore appears to be understood in a manner analogous to the practical distinction between the elastic and plastic deformation ranges of a metal. The distinction lies in the ability to respond to an applied shear force via macroscopic viscous flow. In a dynamic sense, the response of a gel to an alternating force (oscillation or vibration) will depend upon the period or frequency of vibration. As indicated here, even most simple liquids will exhibit some elastic response at shear rates or frequencies exceeding 5 x 10 cycles per second. Experiments on such
Santander Cycles year is not available. A credit or debit card can be used in a docking station to release a bicycle. Access for 24 hours or 7 days can be purchased. Cycles may be rented at any time during the access period; use for no more than 30 minutes at a time is free of charge. Usage charges, additional to the access charge, are weighted to favour shorter use. Bicycles may be used any number of times within the access period, each use charged according to its duration. The original bicycles were built by Cycles Devinci to the following specification: The