A balloon is a sealed bag filled with air or other gases. Balloons can be used not only as toys and decorations, but also as vehicles.
There are many kinds of balloons. Now we mainly introduce balloons made of natural latex, which can be used as decorations and arches for the opening ceremony, printed with their own advertising patterns as publicity, printed with photos of married couples as congratulations, decorative balls, new people floats and so on. Now the balloon has become a beautiful landscape, more and more people's favor.
As a toy, balloon was once called "foreign eggplant". There is a small bamboo whistle at the opening of the balloon. When the balloon is filled with air, the exit will make a loud noise when it opens.
Extended data:
In the 2nd or 3rd century BC, China invented the earliest balloon sky lantern, which was used to transmit military signals.
Hot air balloons have a long history in China. They are called sky lanterns or Kongming lanterns. Joseph Needham, a famous scholar, also pointed out that Mongols used dragon lanterns to transmit signals in the battle of Liezhnitz in 124 1 year. On 1783, the French montague brothers released the first balloon filled with hot air in Europe. French brother Robert was the first person to fly into the sky in a balloon filled with hydrogen.
It was winter in 1772. The Montgomery brothers in Lyon, France, were sitting in front of the fireplace to keep warm, and a thick smoke rushed to the top of the stove. The younger brother looked at it and suddenly thought of an interesting idea: if you make a bag and put cigarettes in it, won't it make the bag fly? So the two brothers found silk, sewed it into their pockets, put cigarettes in their pockets, and the pockets really rose-this is the earliest balloon that human beings appeared.
Later, after 10 years of efforts, the Montgomery brothers finally sent a huge hot air balloon into the sky in 1783. When the king knew about it, he specially invited them to perform at Versailles.
Baidu encyclopedia-balloon