1. Atomic bomb

In August 1945, Pandora’s box of destroying the earth was opened in Hiroshima and Nagasaki, Japan. At that time, the international community was bent on using this powerful weapon deadly and destructive weapons to overwhelm the opponent. The United States first successfully tested the atomic bomb in New Mexico in July 1945, followed by the Soviet Union in 1949, the United Kingdom in 1952, France in 1960, and China in 1964. According to declassified information, for the explosion of this atomic bomb , China spent 2.8 billion yuan on the first wave.

2. Space Shuttle

In 1959, the Soviet Union’s unmanned spacecraft successfully landed on the moon for the first time and took back a large number of photos. The United States' Apollo moon landing in the late 1960s was the first step for mankind to set foot on a planet beyond the earth. Since then, the United States has gradually left the Soviet Union behind in terms of space exploration. After the emergence of the space shuttle, the chance of success for humans to travel to outer space has been greatly improved. Scientists predict that humans will carry out outer space travel after 2000 AD.

3. Artificial Satellite

The first artificial satellite was successfully test-launched by the Soviet Union on October 4, 1957, followed by the American Explorer 1 on October 1, 1958. The test was successful on March 31. From then on, more and more of these artificial satellites that orbited with the rotation of the earth were floating outside the atmosphere. Artificial satellites originally used in military technology have gradually evolved into a family of satellites with different purposes such as communication, mapping, detection, and meteorology.

4. Television

In 1923, the picture tube, the soul of television, was born. Television technology was widely used in the 1940s, and the era of color television was ushered in in 1954. After the 1960s, most countries have established television stations. This square box has created countless happy moments for mankind.

5. Internet

The most primitive computer network was originally just a connection between different computer hosts in college laboratories. When this technology only required connections through simple modems and telephone lines , when it can be used by people, the network instantly becomes the most influential invention at the end of the century. The new information dissemination model created by the Internet is quickly affecting more and more aspects. Email, online shopping, online dating, etc. are redefining and shaping the Internet. As long as people have a thin telephone line, they can connect the whole world in their hands.

Baidu Encyclopedia - Atomic Bomb

Baidu Encyclopedia - Space Shuttle

Baidu Encyclopedia - Artificial Satellite

Baidu Encyclopedia - Television

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