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We observed the conformation of threads that free released from differentaltitudes. We also explore the effect of wetting liquid on the conformationdeveloped. When released from an altitude, the thread conformation changes whenfree falling and reaches the stable conformation (identified by a constantend-to-end distance) after fall over a period of time. We identified that theconformation of the threads replicated the conformation of long polymer chains.Therefore, we applied a two-dimensional random walk model to explain the stableconformation where the thread length is treated as the random walk time (numberof polymer segment). A two-dimensional random walk model was used since duringfree fall, the conformation is assumed to develop on the horizontal plane.Surprisingly, we get the scaling power that is exactly similar to the scalepower of two dimensional random (walk). By fitting how end-to-end distancechanges with time, we obtain an equation that is exactly similar to modifiedAvrami equation for process of phase transformation in one-dimension space (D =1), where the exponential power is n = D+1 = 2. Therefore, we can state thatthe time evolution of thread conformation process is identical tocrystallization process in one dimensional space. This is very interestingfinding, showing that the microscopic process (crystallization) can bereplicated in macroscopic scale.

Threads free falling as a macroscopic replica of random walk phenomena and crystallization process in one dimensional space