How do spiders weave their web? Detailed answer

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How do spiders weave their web? Detailed answer

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How do spiders weave their web?

Most people think that spiders only use silk to spin their webs. In fact, rarely does an animal use silk in such a versatile way as the spider, which makes houses out of it, weaves "life lines", "diving bells", "airplanes", lasso, elastic traps and the well-known web. Spiders are not insects, but belong to the arachnid class.

Unlike insects, they have eight legs, in most cases eight eyes, no wings, and a body divided into two parts. Spiders are found in almost any climate. They can run on the ground, climb trees, and even live in water.

The spider produces silk with the help of glands located in the abdomen. At the end of the stomach are rotating organs, inside of them there are many holes through which silk is passed. Outside, it comes out liquid, but upon contact with air, it instantly hardens.

The spider produces different types of silk: sticky silk for the web in which insects must fall, durable and non-sticky silk for the steps of the web, and special silk for the cocoon. Even the webs woven by spiders come in completely different shapes. The most common is a round web, but there are also square webs, flat and in the form of a funnel or dome. There are webs with lids so that prey does not escape them, some spiders build a house in the form of a bell, located entirely under water.

Author: Likum A.

Random interesting fact from the Great Encyclopedia:

How did magic originate?

Magic, in its original sense, was associated with spells, charms, and supernatural powers that performed "miracles." In ancient times, the priests and physicians of Egypt, Greece and Rome, as a rule, inspired people that they had some kind of magical power.

But magic as we know it today is a form of entertainment for people. The magician, using sleight of hand or some kind of mechanical contrivance, fools his spectators into thinking that he has done something impossible. We, the audience, understand that there is some kind of trick behind the "magic", but we like to be fooled. It's like part of the rules of the game.

In ancient times, each royal court had its own magicians or invited them for entertainment. Less skilled wizards performed in the marketplace for passers-by. Their tricks were very simple, and they carried all the necessary props in their pockets. Incidentally, the first book on magic was written in 1584, but of course wizards had been doing their tricks long before that.

In the Middle Ages, magicians began to make regular trips to cities and even countries (now they would be called tours), and people were waiting for their arrival. Over time, they began to give larger performances and use more equipment. Therefore, they now traveled in vans, and performances were given in specially rented halls.

At the beginning of the XNUMXth century, magic gradually began to take on the form in which it is known to us today. Masquerade costumes were replaced by tailcoats, and tricks with bulky equipment were replaced by those based on the sleight of hand of a magician.

The French magician Robert Gaudin is considered the father of modern magic. He improved the equipment so much that he could use ordinary, familiar objects in his tricks. Considering a very important form of presenting tricks, he devoted a lot of time and knowledge to this.

Over time, another form of magic tricks appeared, called "illusion". Their purpose is to give the audience the appearance that people allegedly float in the air or disappear, that a woman is "sawed" in half, etc. The original form of magic was created by one of the greatest magicians of all time, Cardini. He is the author of a series of tricks in which burning pipes and cigarettes, playing cards suddenly appeared "out of nowhere" and disappeared "out of nowhere", and everything was done without special equipment.

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