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An advanced cloud laser

Clouds are an important basis for weather forecasting and a parameter that aviation safety needs to know. Measuring the altitude of clouds is common using...

Why are temperatures in cities higher than in the suburbs?

According to monitoring documents of recent decades, the city's temperature is always higher than in the suburbs. This is known as the "heat island...

Meteorological satellites

The Earth is a planet. The celestial bodies orbiting the planets are all called satellites. The Moon orbits around the Earth, so the Moon...

The principle of washing machine operation

Thanks to the washing machine, the laundry job will be a lot of leisure. Let's open a commonly used washing machine and see how...

Why first see lightning and then hear the thunder?

In summer, there are often lightning and thunder (lightning). When the electric fields between the positive and negative charges in the rain cloud differ...

“Global weather experiment”

Predicting natural disasters such as hurricanes, storms, snowfalls, tornadoes (tornadoes), hail, droughts, and floods to guard against is the first and most important meteorological...

What is the principle of microwave oven operation?

How convenient it is to cook food in the microwave. Microwave raw or cold food, close oven doors, switch on, and a moment later,...

Why do hot winds appear in the mountains?

By its name, we can understand that it is a very hot wind. It is a phenomenon unique to the mountains, perhaps still unfamiliar...

Why can Meteorological Station make a weather forecast?

Every day morning, noon, and evening open the radio to hear the Weather Station announcements. You might ask, why can Meteorological Station make weather...

Why is the northwest wind, especially cold?

People in the Southeastern United States feel chilly every spring or fall. That is why? The mid-latitude north of the hemisphere, because the higher the...

Why does weather forecast must also use a computer?

Meteorological stations forecast the weather by many methods: in addition to forecasts by maps, people also use computers, modern tools to conduct forecasts. Meteorologists...

Why is the wind blowing in a strong battle?

The wind blows; there is a strong battle; the wind is rarely blowing at the same speed. The Center for Meteorology and Hydrology reporting...
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What is color television?

The human eye sees an object and can see its colors because the light it emits, or light from its surface, bounces off, enters...

What is an audio CD?

Edison's phonograph underwent constant innovation to become a popular electric phonograph. It is made up of the motor, the turntable, the receiver, and the...

What is the principle of the fire detector?

Fire harms human lives and property, damages the ecological environment. Fire prevention is a matter of concern to all humans. If it is possible...

What is the principle of the theft alarm?

In important places such as money, gold, silver, underground record storage, etc., if a fraudster suddenly sneaks in. the burglar alarm will immediately sound...