Ancient and modern ways of information transmission

The way of ancient information transmission:

1. Migratory birds, especially pigeons and geese, are used as communication tools.

2. the way to make stuffing, such as hiding in fish belly, cake, steamed stuffed bun, etc.

3. With special sounds, such as bells, drums and firecrackers.

4. There are lights and firelights, such as Kongming lanterns, beacon towers and wolf smoke.

5. There are other signs and decorations. , such as semaphores, signs, etc. to lure the enemy.

For example:

In ancient China, the story of "Biography of Hongyan" has been circulated as an eternal story; Kite messenger, Kongming lantern to contact the army, drift bottle to transmit information, sailor's flag communication;

Drumming: In ancient China and Africa, drumming was the earliest and most convenient way to convey information. Africans use big drums specially made from logs to transmit sounds for three or four kilometers.

Beacon: a military communication facility built to prevent enemy invasion. In case of enemy situation, smoke during the day, light at night, and the platform is connected to transmit messages.

Flying pigeon delivers books: the information is tied to the pigeon's leg and transmitted to the destination through the carrier pigeon.

Ride a horse: Pass a post. Post station: Also known as "post station", it is a place where people or officials who delivered official documents stopped and changed horses on the way in ancient times. According to < < Zhou Li > > records, in the Zhou Dynasty, China built a building on the main road to provide accommodation for former officials and postmen. Postal service has a history of more than 3000 years, but there are not many sites and cultural relics left behind.

Hot air balloon transportation: 1870 During the Franco-Prussian War, Parisians used hot air balloons to fly over the Prussian army from high altitude to keep in touch with the outside world. During the four months of being trapped, Parisians released 365 hot air balloons and sent more than 30,000 letters, more than 150 people. Parisians pioneered the world's "air mail" with hot air balloons.

Due to the rapid development of science and technology in modern society, there are various ways of information transmission.

1. Wired communication transmission, such as telephone, fax, telegram, television, etc.

2. Wireless communication transmission, such as walkie-talkies, pagers (to be eliminated), mobile phones, radios, etc.

3. Digital communication transmission, the most familiar, networked computers, digital TV.

4. Paper communication transmission, such as letters and newspapers.

Express delivery, express delivery, advertising, e-mail, telephone, telegraph and fax, short message, Internet, short message, telephone, fax, video conference, satellite positioning, etc.