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Why doesn't ice sink?
Nowadays, 5 amorphous varieties and 17 crystalline modifications are known for ice — water in solid aggregate state.
However, in the natural conditions of our planet, water crystals only have one modification — the so-called hexagonal syngony.
Due to this structure, the density of ice is less than that of liquid water, so it doesn't sink.
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Nowadays, 5 amorphous varieties and 17 crystalline modifications are known for ice — water in solid aggregate state.
However, in the natural conditions of our planet, water crystals only have one modification — the so-called hexagonal syngony.
Due to this structure, the density of ice is less than that of liquid water, so it doesn't sink.
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@QuiteInterestingInformation
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An unknown young soldier grins and laughs on the last day of WWI.
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TV channel about the weather uses augmented reality in its stories. It looks very impressive
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Which categories of porn were most viewed in countries around the world in 2021
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Curie-effect heat engine
The rotor is a circle of magnetic material. A magnet is fixed next to it. The rotor in one place, locally, is heated to Curie temperature, as a consequence of which the magnetic coupling temporarily disappears and the rotor-stator circuit is out of a stable position.
The rotor shifts, the cold part of the rotor is moved. As the rotor rotates, the heated parts cool down and come to a heating point with a temperature below the Curie point. The whole cycle repeats.
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@QuiteInterestingInformation
The rotor is a circle of magnetic material. A magnet is fixed next to it. The rotor in one place, locally, is heated to Curie temperature, as a consequence of which the magnetic coupling temporarily disappears and the rotor-stator circuit is out of a stable position.
The rotor shifts, the cold part of the rotor is moved. As the rotor rotates, the heated parts cool down and come to a heating point with a temperature below the Curie point. The whole cycle repeats.
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@QuiteInterestingInformation
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An unusual optical illusion of standing water
This effect is due to the fact that the movement of water is determined by the static ground below the video. When the ground and water move at the same speed, the water appears to be standing.
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This effect is due to the fact that the movement of water is determined by the static ground below the video. When the ground and water move at the same speed, the water appears to be standing.
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@QuiteInterestingInformation
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Mono-ethnic states
A state in which different peoples may live on its territory, but the majority of its inhabitants are members of one ethnicity.
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A state in which different peoples may live on its territory, but the majority of its inhabitants are members of one ethnicity.
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Sound pressure is the variable overpressure that occurs in an elastic medium when a sound wave passes through it.
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Fly Anterior Spiracle.
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Have you ever thought about the question “How do flies breathe?”. Here we are with some answers… Flies breathe in a way that is very different from us. They don’t have a central place to gather oxygen (lungs) and a transport system (heart, blood) to deliver the oxygen to all of the cells of our body.
💥Interesting Fact💥
Do you see a tiny yellow hole on the side of the fly's thorax? This is an anterior spiracle, which is the opening of a long tube called a tracheae. Tracheae is a long, air-filled, branching tube that creates the respiratory system to deliver the oxygen directly to each cell in the flies’ body and collect carbon dioxide to be expelled. The movement of air through the tracheal system of flies relies on diffusion, which occurs best over small distances. That’s why they cannot get very large or huge like you see them in the movies.
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@QuiteInterestingInformation
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Have you ever thought about the question “How do flies breathe?”. Here we are with some answers… Flies breathe in a way that is very different from us. They don’t have a central place to gather oxygen (lungs) and a transport system (heart, blood) to deliver the oxygen to all of the cells of our body.
💥Interesting Fact💥
Do you see a tiny yellow hole on the side of the fly's thorax? This is an anterior spiracle, which is the opening of a long tube called a tracheae. Tracheae is a long, air-filled, branching tube that creates the respiratory system to deliver the oxygen directly to each cell in the flies’ body and collect carbon dioxide to be expelled. The movement of air through the tracheal system of flies relies on diffusion, which occurs best over small distances. That’s why they cannot get very large or huge like you see them in the movies.
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@QuiteInterestingInformation
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