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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 do we usually have a thunderstorm in the summer?

Summer afternoon or early evening often gives us an unusually hot feeling. Moments later, suddenly, thunder rumbled, then flashed, the torrential rain, immense, the...

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...

“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...

Why does tree lightning or ball-like lightning appear?

Late in the summer, fire clouds are often heated by the hot ground afternoon, plus the effect of exothermic condensation that develops into succulent...

Why study the relationship between crops and climate?

Plants grown in a year go through the following phases: sprouting, leafing, blossoming, fruit, deciduous. Year after year is usually unchanged. It is a...

Why is the temperature on the ground different?

The sun is hot in summer, unbearable, but the temperature below ground is very cool and comfortable. Take, for example, the average July temperature...

Why does the climate affect humans?

Humans have grown to this day with a population of over six billion. Because in the Primitive period, people living in different conditions and...

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...

Why is cold air in the North cold in the South?

On winter days, when you turn on the radio, you often hear weather forecasts from meteorological radio: A piece of cold air from the...

Why does the climate affect health?

Ancient Chinese medicine scientists said that: Humans live in a natural environment. The change of climate will affect the normal circulation of blood in the body,...

Why is it very hot before the rain?

Early in the morning, when the Sun was just high, the air was very hot. The fan is spinning, but the perspiration is still...
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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...