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This video shows the absorption process by Lorentz's attractor of surrounding matter. There are 25 000 "mass points" (initial conditions) on a sphere of radius 200. At the Faculty of Liberal Arts and Sciences, Saint Petersburg State University, we use these kind of videos for demonstrating the main properties of strange attractors to students. Most people consider strange attractors a purely mathematical abstraction, but in fact systems with similar behavior surround us practically everywhere.

Choose a new media file English : This video shows the absorption process by Lorentz's attractor of surrounding matter. There are 25 000 "mass points" (initial conditions) on a sphere of radius 200. At the Faculty of Liberal Arts and Sciences, Saint Petersburg State University, we use these kind of videos for demonstrating the main properties of strange attractors to students. Most people consider strange attractors a purely mathematical abstraction, but in fact systems with similar behavior surround us practically everywhere. Advanced options thumbtime: Template:Motd/2020-09-06 thumbtime

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Branchiura - crustacean, ectoparasite of fish. Finds weak spots on the fish’s body and drinks blood with the help of suction cups. When drinks enough blood, in most cases, leaves owner.

Choose a new media file English : Branchiura - crustacean, ectoparasite of fish. Finds weak spots on the fish’s body and drinks blood with the help of suction cups. When drinks enough blood, in most cases, leaves owner. Advanced options thumbtime: Template:Motd/2020-09-07 thumbtime

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This Ultra High Definition video was shot in August 2016 as the International Space Station traveled nearly 1,600 kilometres (1,000 miles), taking in views from above the western coast of France to the Iberian Peninsula, Italy, Switzerland, southern Germany and Austria, and southward to the countries of the Balkan Peninsula.

Choose a new media file English : This Ultra High Definition video was shot in August 2016 as the International Space Station traveled nearly 1,600 kilometres (1,000 miles), taking in views from above the western coast of France to the Iberian Peninsula, Italy, Switzerland, southern Germany and Austria, and southward to the countries of the Balkan Peninsula. Advanced options thumbtime: Template:Motd/2020-09-08 thumbtime

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