Stoilov Phenomenon
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The Stoilov's phenomenon is a phenomenon observed in liquid waveguides in a soap film. The rib of an ordinary soap film (from any water-soap solution) is a liquid triangular waveguide, along which light travels with reflection from the side surfaces. But this waveguide has unusual properties. A continuous stream of sunlight after passing along the rib (as long as the edge lives, from minutes to a day) gives on the screen a strange constantly flashing chaotic mosaic of many large spots of all colors of the rainbow. The nature of such chromatic dispersion in the phenomenon and the fragmentation of not only sunlight, but any light when it passes along the rib of the soap film is associated[1][2] with the presence of sharp peaks in a calm-looking rib and with extraordinary impulse-chaotic hydrodynamics of solution collection inaccessible for direct observation into these vertices through the detected narrowing of the contacting films at the rib.
The effect was discovered by Yu.Yu. Stoilov in 2018.[2][3] The observed blinking as a macro analogue of the Brownian motion demonstrates in an enlarged scale (without a microscope) incessant movements in the micro-world of the rib solution. Because of its simplicity, the effect could have been discovered (and used by Democritus to confirm his theory of the constant movement of particles in the micro-world) 3000 years ago, when for this there were all the necessary conditions - soap was known and they knew how to focus sunlight using spherical vessels with water.
The effect is available for implementation to schoolchildren to expand their horizons and independent initial acquaintance with the fundamental foundations of the world around them, with constant movements invisible to the eye in the micro-world and with the iridescent spectral composition of ordinary sunlight.
The phenomenon opens up a number of new scientific directions, such as studying the features of unstable laser media, waveguides, accompanying thermodynamics, thin-layer hydrodynamics, statistical radiophysics, etc. Development of the theoretical foundations of the effect is useful for explaining the physics of non-divergent laser tracks in soap films[3][4]
References
- ↑ 1. Namer, L., "Light: A road along the edge", Chemistry and Life, No.9, pp.14-15(2019). (in Russian: Свет: дорога по кромке, Химия и жизнь, № 9/2019, с. 14-15)[1]
- ↑ 2.0 2.1 2. Феномен Стойлова (in Russian)[2]
- ↑ 3.0 3.1 3. Stoilov, Yu. Yu., “Fragmentation of sunlight in soap waveguide" (load video clip to see)[3]
- ↑ 4. Stoilov Yu. Yu., "Review of Non-Actual Problems: Unexpected fragmentation of light in the rib of a soap film. Stoilov's phenomenon", Adv.Theo.Comp.Phy., 3(3), 107-113(2020). [4]
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