Not just a bubble, but endless delight and happiness (PHOTOS)
Soap bubbles... Who did not played with them as a child? Probably, not many. It would seem that to make a bubble is very easy. But everything is not as easy as it sounds.
Actually bubbles are a great way to observe a wide variety of physical phenomena: surface tension, thermal dynamics, optics are only some of them. And it's easy to understood and accessible to observation. In my opinion, the most attractive thing in bubbles is probably the play of light on the surface. Even when you inflate bubbles, you can see the constant movement of colored spots and stripes on its surface. They create a unique range of rainbow colors, which is hard not to admire. We asked our colleague, the head of the computer technology department of Transcarpathian RSTBC Andriy Koshel about the process of creation of this beauty. Soap bubbles has long been a sort of hobby for him.
The secret of bubble beauty lies in the thin film, - Andriy said. - Its structure includes water, soap and glycerin. This allows for very thin wall of a bubble that is easily stretched and not torn. It is quite strong, given its thickness. The wall of the bubble is among the few microscopic objects that can be seen with the naked eye. Its thickness is 5000 times smaller than the thickness of a human hair. With such a thickness, in theory we would not be able to see a bubble wall, however we can see it, Andriy says.
This occurs due to optical phenomena such as light refraction and inertia. A bubble wall consists of three layers. Top and bottom layers consist of soap molecules, and between them there is a layer of water. Light, penetrating through this film, is refracted as in a prism. Also it is reflected from the upper and the lower layers. As each layer is composed of different substances, they reflect and refract light differently.
It is known that light has a wave nature. Like waves in the pond, reflected from the shore, overlap and create a picture of the waves, so does light - overlapping each other, resulting in a different color.
Liquid molecules are constantly in motion, they "flow" down. You've probably seen that a drop gradually appears at the bottom of a bubble. A constant movement of fluid in the bubble wall is constatntly changing its thickness, shape and ability to reflect and refract light.
Overlapping each other, all of this creates a constantly moving color modulations that could be admired for a long time if they were not so fleeting, because life of a bubble is too short...
For Andriy Koshel bubble making is just fun and a hobby. Andriy says that he loves to entertain kids, and he is genuinely happy when he sees the joyful eyes of kids. In Transcarpathia, he managed to make one of the biggest bubbles: it reached more than 22 meters in length. Our hero is not going to stop on that. He wants to set a record of Ukraine.
Well, we wish our hero success.
Source - Tisa-1
20 May 2018 21:09
8 May 2018 13:46