The history of technology | Some magical creations



The thread in the form of dots and lines, the next step was a real speech connection. Alexander Graham Bell made his first call on March 10, 1876, when he asked his assistant Tom Watson to come to him, "Lord Watson - come here - I want to see you."

1876: Internal combustion engine

German engineer Nikolaus Otto built a motor that, unlike a steam engine, used burning fuel inside the engine to move the piston. This type of engine would be used later for power transmission.

1879: Electric light

After thousands of experiments, American inventor Thomas Edison was burning a 13.5 hour coal burner. Edison and others in his laboratory also worked in the power distribution system for light homes and businesses, and in 1882 Edison Electric Illuminating Company opened its first power plant.

1885: Car

The internal combustion engine improved and declined and worked. Karl Benz used a single-cylinder engine to drive the first modern car, the three-wheeled car he drove around the track. However, the car had no commercial situation until 1888, when his wife, Bertha, who was astonished by Karlin's slow methodical pace, took the car without her knowledge of 64 miles to see her mother.

1901: Radio

Guglielmo Marconi had been experimenting with radio since 1894 and sent broadcasts for longer and longer trips. In 1901 he announced that he had sent the Morse code letter S over the Atlantic to Cornwall in Newfoundland.

1903: Airplane

December 17, Orville Wright made its first airplane flight, 120 feet, near Kitty Hawk, North Carolina. He and his brother Wilbur made four flights that day. Last, Wilbur flew 852 feet.

1926: Rocketry

Young boy in the late 1890s, Robert Goddardia inspired H.G. Wells World War and Space Travel Opportunities. As a middle-aged man in the mid-1920s, he reached the first test flight of his liquid rocket daughter farm in Auburn, Massachusetts. Rocket flew in the air 12.5 meters.

1927: Television

After developing the radio, the transmission of the picture was the next logical step. An early television used a mechanical disc to scan the image. As a teenager in Utah, Philo T. Farnsworth was convinced that the mechanical system could not scan and compile images many times per second. Only an electronic system would do it. In 1922, a 16-year-old Farnsworth drew up a plan for such a system, but it was not until 1927 the first electronic television broadcast, a horizontal line.

1937: Computer

Iowa State Mathematician and Physicist John Atanasoff designed the first electronic digital computer. It uses binary numbers (base 2, where all numbers are expressed as 0 and 1), and its data is stored in capacitors. In 1939, he and his student Clifford Berry began building an Atanasoff-Berry computer (ABC).

1942: Nuclear power

As part of the Manhattan project to build the first atomic bomb, it was necessary to understand the nuclear reactions in detail. On December 2, under the football clubs of the University of Chicago, a group of physicists led by Enrico Ferm used uranium to produce the first self-sustaining chain reaction.

1947: Transistor

December 23, Bell Labs engineers John Barde, Walter Brattain and William Shockley presented the first public presentation of a transistor, an electrical component that could control, amplify, and generate power. The transistor was much smaller and used less power than vacuum tubes and launched an era of cheap small electronic devices.

1957: Spaceflight

On October 4, the Soviet Union surprised the world by launching the first artificial satellite, Sputnik 1, a small, 83.6 kg (184.3-kg) metal area. Space competition began between the Soviet Union and the United States and opened a new advantage during the Cold War.

1974: Personal computer

The first computers that were born after World War II were gigantic, but as technology progressed, especially with the placement of many transistors in the semiconductor chip, computers became smaller and more efficient. Finally, they were small enough for home use. The first such personal computer was Altair, which was soon released in 1977 by Apple II, TRS-80 and Commodore PET.

1974: The Internet

Vinton Cerf and Robert Kahn produced the TCP / IP Transmission Control Protocol (Internet Protocol), which describes how data can be shared into smaller packets and how these packets can be sent to the correct destination. TCP / IP became the basis for transmitting data over the Internet.

2012: CRISPR

The American biochemist Jennifer Doudna and the French microbiologist Emmanuelle Charpentier developed the CRISPR-Cas9 method for modifying genes, i.e. making changes to DNA sequences. Genetic modification has the potential to treat many diseases.

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