rubber glue. simple recipes

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FACTORY TECHNOLOGIES AT HOME - SIMPLE RECIPES
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rubber glue. Simple recipes and tips

Factory technologies - simple recipes

Directory / Factory technology at home - simple recipes

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How to cook rubber glue?

When it comes to gluing objects that are exposed to acids, such as cuvettes, ordinary glue or cement is not suitable, as it is corroded by acids. The best glue for this purpose turned out to be a mixture of rubber, coal tar and asphalt, thickly dissolved in a mixture of equal parts of ether, alcohol and chloroform.

This composition holds the glued parts very firmly and perfectly counteracts acids. The same composition in a more liquid state can serve as a good, not easily soiled and very durable varnish for polishing wood, etc.

Author: Korolev V.A.

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In modern agriculture, technological progress is developing aimed at increasing the efficiency of plant care processes. The innovative Florix flower thinning machine was presented in Italy, designed to optimize the harvesting stage. This tool is equipped with mobile arms, allowing it to be easily adapted to the needs of the garden. The operator can adjust the speed of the thin wires by controlling them from the tractor cab using a joystick. This approach significantly increases the efficiency of the flower thinning process, providing the possibility of individual adjustment to the specific conditions of the garden, as well as the variety and type of fruit grown in it. After testing the Florix machine for two years on various types of fruit, the results were very encouraging. Farmers such as Filiberto Montanari, who has used a Florix machine for several years, have reported a significant reduction in the time and labor required to thin flowers. ... >>

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Brain implant and prosthesis restore sense of touch to paralyzed man 22.10.2016

Researchers from the University of Pittsburgh have developed a system that restored the sense of touch to a person with paralysis of the arms and legs. He can sense objects by touching them with his robot arm, which he controls solely with his mind.

Prostheses are getting better every day, but they still can't restore their user's sense of touch. This is a serious problem when you consider how important the sense of touch is to the use of the hands. Without it, it is almost impossible to understand the difference between a piece of cake and a fork, for example. A team led by Robert Gaunt of the University of Pittsburgh has pioneered a system that overcomes this limitation by allowing a 28-year-old paralyzed man to sense objects with a robotic limb.

To make the system work, the scientists implanted small microelectrodes - each the size of a shirt button - into the patient's primary somatosensory cortex, the exact part of the brain that receives all sensory input from the body. Even before the operation, brain scans showed exactly where the processing of signals from each finger and palm takes place.
After the operation, all signals went through the electrodes. With the help of a computer, this allowed the patient to feel touch through the robotic arm. It is important that stimulation of the cerebral cortex produces natural sensations, not just tingling, and the effect of the operation lasts for months. Patient Nathan Copeland correctly identifies objects in 80% of cases and feels pressure, as well as its intensity, but cannot yet understand whether the object is cold or hot in his hand. "Our main goal is to create a system that moves and feels like a real hand," says Gaunt. "There is still a lot of work ahead, but a start has been made."

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