Paper was invented in China. For a long time in this country they wrote on bamboo tablets, which was very inconvenient: too much space was required to store such "archives". In 105 AD, the Minister of Agriculture, Tsai Lun, proposed using a finer material obtained from shredded and soaked pieces of tissue and tree bark.
For a long time, the Chinese kept the recipe for making paper in strict confidence. Only in the VIII century, the Arabs learned the manufacturing technology. During the war with China, several wallet workers were captured by the Arabs, who revealed the secret. Soon, paper production began in Baghdad.
In Russia, the first "paper mill" was built in the era of Ivan the Terrible near Moscow. And the machine production of paper was established only at the beginning of the 19th century at the Peterhof Paper Mill.
According to statistics, US residents spend the most paper - almost 1 kg each. per day per person, that is, more than 300 kg per year. Europeans are more economical - about 75 kg per year. For the average African, one kilogram is enough for a whole year. Russians are in the golden mean: about 25 kg per person per year.
By the way, in the United States alone, the tax department uses up to two billion sheets annually. In California, in order to care for the environment, they even passed a law according to which clerks are allowed to use only paper made from recycled paper.
For a long time it was believed that an ordinary sheet of office paper cannot be doubled more than seven times. This hypothesis was refuted in 2001 by an ordinary schoolgirl from California, Britney Gallivan, who was able to fold a paper sheet in half twelve times.
The paper is considered one of the main culprits in global warming. The gases emitted during the production of paper have a detrimental effect on the environment and increase the greenhouse effect. The production of one ton of paper requires the same amount of electricity as the production of a ton of steel.
Paper spam has become a real disaster for the people of the United States. Every year, any American, including a baby, receives up to 10 kg of useless waste paper in the form of advertising brochures, magazines, coupons, etc. by mail to their homes.
Paper waste makes up a quarter of the world's waste, and one of the worst wasters of paper is government departments.
Most paper is made from coniferous trees, which impart mechanical strength to the paper.
Until the eighteenth century, reading text written on paper was dangerous for the eyes, since the sheets were gray, therefore, the text merged with the paper. They began to bleach it only after chlorine was used commercially.
Great popularity among Muscovites of the late 19th - early 20th centuries. used the newspaper "Moskovsky leaf", the publisher of which was the journalist Nikolai Ivanovich Pastukhov. Moreover, the newspaper was willingly bought not only for the sake of information, Pastukhov specially printed it on cheap paper, which was perfect for those who like to smoke makhorka.
The paper is quite edible. 85% of paper is cellulose - a complex carbohydrate, much the same as sugar. Only the absence of cellulose-degrading enzymes in the gastric juice does not allow a person to fully eat wood. Bark beetles and other wood beetles have done an excellent job of this and live practically in a lump of sugar. Also, the paper contains a little glucose - an excellent digestible substance.
They also began to make toilet paper in China, back in the 14th century. There is a record dated 1393, in which it was reported that 720, 000 sheets of toilet paper were made for the needs of the emperor and his court. At that time, paper was an expensive material, so using it for such purposes was a luxury.
Every fourth Thursday in October, Russia holds No Paper Day. The purpose of this holiday is to exchange experience in the rational use of paper and the preservation of natural resources.