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Free technical library

ALL ARTICLES IN THE FREE TECH LIBRARY
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All articles Free technical library, sorted alphabetically.

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The main sections of the Free Technical Library:

ENCYCLOPEDIA OF RADIO ELECTRONICS.
BEST ARTICLES FOR RADIO ELECTRONICS

Encyclopedia of radio electronics. The best articles for radio electronics

ENCYCLOPEDIA OF ELECTRICAL ENGINEERING.
BEST ARTICLES FOR ELECTRICIANS

Encyclopedia of electrical engineering. Best Articles for an Electrician

ARTICLES, REFERENCE MATERIALS

Articles, reference materials, encyclopedias

EFFECTIVE FOCUSES AND THEIR CLUES

Tricks and tricks with detailed explanation

ENTERTAINING EXPERIENCES AT HOME

Entertaining experiences at home

AT LEISURE

Effective means for relaxation and good mood

Aphorisms of famous people. The most popular quotes by famous authors
Big encyclopedia. Questions for quiz and self-education. Simple answers to complex questions
Riddles, puzzles, trick questions. Test your resourcefulness and sense of humor!
Online quiz. Interesting questions on any topic
Entertaining experiences at home. Interesting physical and chemical experiments with illustrations
Do you know that... To help the erudite. Database on the history, geography, biology, science, technology, sports, culture, traditions of the peoples of the world
visual illusions. Are you sure you really see what you see?
Stories from the life of a radio amateur. True cautionary tales told from 2002 to 2024 by site readers www.diagram.com.ua
Winged words, phraseological units. Meanings, history of origin, examples of use
Cultivated and wild plants. Legends, myths, symbolism, description, cultivation, methods of application
palindromes. Magic phrases that read the same from left to right and vice versa
Assembling the Rubik's Cube. A simple guide to solving the Rubik's Cube with detailed illustrations
Crosswordist's Handbook. Convenient word search by mask
Spectacular tricks and their clues. Impressive magic tricks with detailed explanation of secrets
Wonders of nature. An exciting journey around the world

Latest news of science and technology, new electronics:

Artificial leather for touch emulation 15.04.2024

In a modern technology world where distance is becoming increasingly commonplace, maintaining connection and a sense of closeness is important. Recent developments in artificial skin by German scientists from Saarland University represent a new era in virtual interactions. German researchers from Saarland University have developed ultra-thin films that can transmit the sensation of touch over a distance. This cutting-edge technology provides new opportunities for virtual communication, especially for those who find themselves far from their loved ones. The ultra-thin films developed by the researchers, just 50 micrometers thick, can be integrated into textiles and worn like a second skin. These films act as sensors that recognize tactile signals from mom or dad, and as actuators that transmit these movements to the baby. Parents' touch to the fabric activates sensors that react to pressure and deform the ultra-thin film. This ... >>

Petgugu Global cat litter 15.04.2024

Taking care of pets can often be a challenge, especially when it comes to keeping your home clean. A new interesting solution from the Petgugu Global startup has been presented, which will make life easier for cat owners and help them keep their home perfectly clean and tidy. Startup Petgugu Global has unveiled a unique cat toilet that can automatically flush feces, keeping your home clean and fresh. This innovative device is equipped with various smart sensors that monitor your pet's toilet activity and activate to automatically clean after use. The device connects to the sewer system and ensures efficient waste removal without the need for intervention from the owner. Additionally, the toilet has a large flushable storage capacity, making it ideal for multi-cat households. The Petgugu cat litter bowl is designed for use with water-soluble litters and offers a range of additional ... >>

The attractiveness of caring men 14.04.2024

The stereotype that women prefer "bad boys" has long been widespread. However, recent research conducted by British scientists from Monash University offers a new perspective on this issue. They looked at how women responded to men's emotional responsibility and willingness to help others. The study's findings could change our understanding of what makes men attractive to women. A study conducted by scientists from Monash University leads to new findings about men's attractiveness to women. In the experiment, women were shown photographs of men with brief stories about their behavior in various situations, including their reaction to an encounter with a homeless person. Some of the men ignored the homeless man, while others helped him, such as buying him food. A study found that men who showed empathy and kindness were more attractive to women compared to men who showed empathy and kindness. ... >>

Random news from the Archive

Ultra-precise clock synchronized at record distance 20.10.2022

Chinese physicists have managed to perfectly synchronize the work of two clocks at a record distance of 113 kilometers. Potentially, this will allow for incredibly accurate physical research - and not only.

Since 1967, one second is officially equal to 9192631770 periods of electromagnetic radiation, which causes the electrons in the cesium-133 atom to change their state.

Today, optical clocks use even more precise "ticking" of chemical elements such as strontium, rubidium, calcium and ytterbium. The main requirement is that the atoms be insensitive to magnetic, electric and electromagnetic fields, that is, not subjected to any external influence.

Last year, two independent teams of physicists from the University of Colorado and the University of Tokyo created a new high-precision optical lattice clock. For their work, they shared a $3 million prize from the Breakthrough Prize jury.

This made it possible to create atomic clocks that would desynchronize by a second after as much as 4 trillion years of their operation.

Other interesting news:

▪ A device for measuring the gravity of an asteroid

▪ Pocket camera Sony HDR-GW66VE for extreme sports

▪ PQI Air Drive devices share data on a memory card

▪ Oat gold

▪ Sockets and switches from old fishing nets

News feed of science and technology, new electronics

Interesting materials of the Free Technical Library:

▪ section of the site Grounding and grounding. Selection of articles

▪ article Mechanical watch. History of invention and production

▪ article Why do ostriches sometimes incubate their eggs selectively? Detailed answer

▪ article Crowberries. Legends, cultivation, methods of application

▪ article Thermometer for gas water heater. Encyclopedia of radio electronics and electrical engineering

▪ article Receiver without power. Encyclopedia of radio electronics and electrical engineering

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