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The contents of science and technology tabloids
Technology is everywhere, and its benefits are often reflected in our lives. The telephone allows people from all over the country to talk freely. Refrigerator makes human realize the dream of long-term preservation of food. Planes enable people to save time and reach their destinations faster ... can't all this reflect the convenience brought by science and technology to mankind?
Since the first industrial revolution, there have been countless scientific and technological achievements. For example, Watt invented the steam engine in the first scientific and technological revolution, which gradually abandoned human labor, greatly improved the labor force and entered age of steam.
Edison invented the electric light in the second scientific and technological revolution, which was a great milestone in the utilization of electricity by human beings. Since then, age of steam has entered the era of electricity. The third scientific and technological revolution invented a series of high-tech products, such as computers and mobile phones. The appearance of these products marks that we have entered the information age, which is the largest and most far-reaching scientific and technological revolution in human history so far.
The amphibious underwater train is fixed on the subgrade of the elevated track underwater railway with the help of guide wheels, and the train can run smoothly in deep water with the help of vertical and horizontal stabilizers used by submarines. The underwater train is equipped with an advanced linear engine to drive the train to run fast in the water.
In the next few decades, we may emigrate to other planets in the solar system. NASA is preparing to implement several Mars programs, and the expert group believes that humans will land on Mars around 2022. The permanent lunar base can be used as the launch base for this space program. But humans still have a long way to go to perform outside the solar system.
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