Aircraft 1903 12 17, the first powered aircraft begins to fly. 1933, the world's first regular air route was opened, which greatly expanded the space for human activities.
2. cars
19 13, the automobile assembly line of Henry Ford, an American automobile manufacturer, officially started, which reduced the cost, improved the efficiency, and made cars enter the homes of ordinary people, becoming a decisive event in this century.
3. electric light
1858, British Swan made the world's first carbon filament lamp. 1878, Edison invented a better light bulb, 1879, Edison invented an electric lamp that can continuously illuminate 1000 hours. 19 13, after the tungsten wire was patented, the electric light began to light up.
4. TV set
The inventor of TV is john baird, a British electronic engineer. In 1923, he applied for a patent for a device that can generate 8 lines of images. The first TV set was sold at the end of 1930. 1932, BBC broadcast the first standardized TV program in the world. Since then, mankind has begun to step into the television era. People use satellites and other means to spread TV signals to every corner of the earth.
5. Radar
From 1935, people began to use extremely short radio waves to identify distant or invisible targets.
6. Computer
1943 computer: the computer is the foundation for human society to enter the information age, but it was born because of war. 1943, in order to decipher the German code, the British mathematician alan turing designed the first electromechanical computer named "Giant". Although it is only a virtual computer for decoding, it pioneered the development of computer technology.
1947, the transistor computer came out; 1959, the integrated circuit computer was born; 1970, computer produced large-scale integrated circuits; Since 1980s, a new generation of microcomputers have mushroomed. On this basis, mankind has ushered in a new network era. artificial kidney
7. artificial satellite
1957 Sputnik: 10/On October 4th, the Soviet Union launched the first Sputnik in human history, marking the beginning of the space age. 1961April 2, Soviet astronaut Gagarin went into space in a spaceship and became the first person to go into space. 1969 On July 20th, two American astronauts landed on the moon in a spaceship.
8. Heart recorder
1958, Swedish Oksenning invented the heart recorder, which was applied in 1960s. Contact lenses were invented by glasses in the middle ages, and substantial progress was not made until 1945 when contact lenses appeared. 1965, soft contact lenses (contact lenses) came out.
9.spacecraft
The invention of the spaceship made the world smaller. Spacecraft leads people to the universe, and the exploration of the universe makes us know more about the world outside the earth.
10, radio, television and movies
The popularity of mass media has brought great influence to mankind. They entertain the public and can also spread all kinds of political information.
1 1, washing machines, air conditioners, refrigerators, televisions and other electrical appliances have greatly improved people's quality of life. Relativity and quantum mechanics in the field of physics have brought about the invention of nuclear energy and laser. Cosmology has made great progress, the "Big Bang" theory was established, and human beings began to study the origin of the universe.
Baidu Encyclopedia-20th Century
Baidu Encyclopedia-Invention of the 20th Century