Abstract
Cosmic strings in the early universe, flux-lines in super-conductors, linear defects in solids and one-dimensional assemblies in fluids – these are all drawing the attention of physicists to the ubiquitous occurrence of stringy stuff. It is no surprise to see recent ideas on flux-line motion, for example, drawing on polymer science for which string is the stock-in-trade. Polymer molecules are just that – chains of thousands of simple molecules or "monomers" that are almost always based on carbon. From a monomer of usual molecular dimensions of a few angstroms, polymer molecules in solution assume randomly coiled and open structures that can have dimensions of a micron.

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