Today’s curious shrimp cold knowledge sharing,
is here as scheduled!
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·How do we predict the weather?
Current weather forecast is to use supercomputers to deduce the humidity, temperature, air pressure, wind speed, wind direction measured by instruments such as ground, radar , satellite , etc., and use mathematical methods to calculate the laws of atmospheric motion. It is necessary to analyze the impact of different clouds. Forecast experts use weather , dynamics, thermodynamics , etc. to conduct comprehensive data analysis forecasts, and produce short-term (1 to 6 hours of weather trends) and medium-term forecasts (3 to 15 days of weather trends). Of course, the longer the forecast of future weather conditions, the less accuracy.
Atmospheric system is a relatively complex system that involves many disciplines and fields. Inaccurate weather forecasts are still inevitable, and weather forecast technology is still in the process of continuous development.
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· Why is dinosaur culture so prosperous?
19th century, with the development of natural science, people discovered the existence of the species dinosaur through fossils. This was also the time when the romantic movement was in full swing, and the sublime aesthetic followed. Romanticism Artists turn their attention to the ancient times when the distant time is a sublime state, and dinosaurs are the gods in it.
Coincidentally, in the age when dinosaurs were discovered, the beliefs of dragons, devils and angels began to fade, so dinosaurs inevitably filled the gaps they left behind. Therefore, it is no surprise that in the 19th century paleobiology paintings, the dinosaurs were depicted with reference to the techniques of romanticism and religious art. Among them, the bat-like wings of pterosaurs are very similar to the image of a demon.
This actually laid the foundation for the dinosaur culture since then and today.
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· Why does gorilla have to beat your chest with your fists?
In the online academic journal "Scientific Report", a zoological research paper says that mountain gorilla or hammers the chest to exchange information about itself.
This chest-hitting behavior may convey information about body shape and help them identify different individuals. This discovery demonstrates nonverbal behaviors or facilitates communication in mountain gorillas. The study also found that the larger male gorillas had a significantly lower frequency of chest hitting sound than smaller males. This is because they have large size and their throat sacs are also large, which makes the sound frequency lower when hitting the chest.
The length and number of times the breast strikes of different gorillas also vary, which may allow other gorillas to identify the individuals who are hitting the breast.
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· Not all flames have shadows?
When we use candles, we will find that not only candles have shadows, but also flames have shadows. This is because is floating in the flames produced by candles and matches. is not completely burned and small particles of carbon black produced by . These small particles will block light and form a shadow.
When alcohol, gas, etc. are fully burned, no small particles will be produced, and no shadow will be produced. However, the flame will heat the surrounding air, change the air density of nearby , and thus cause light to refract. In this case, if the light is appropriate, the shadow of the flame can also be vaguely seen.
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· Tofu Stone?
Malta limestone is known as "tofu stone". It is a very special kind of limestone. When it is buried underground, it has a large moisture content and a soft texture because it has countless pores inside the rock.
A newly mined rock can also be drawn with a light stroke of your nails. This limestone is like tofu, which can make people rub it at will, which is very interesting.
What's more magical is that this "tofu stone" will become very hard as long as it is sunbathed in the sun for a period of time. Even if it is smashed with a big hammer, it will be difficult to crack it. "Tofu" turns into a rock because the content of calcium hydroxide in Malta limestone is extremely high. When it encounters carbon dioxide in the air, it will produce extremely hard calcium carbonate , which will be indestructible.
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