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Information. Collection, protection, analysis. Textbook on information and analytical work. Kuznetsov I.N..
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The textbook deals with a wide range of problems in working with sources of information of different form and content, ensuring the process of preparing and conducting information and analytical work. The basic concepts, the choice of research methods, the structure and content of the stages of information and analytical activities, the sequence of search, analysis and their protection are disclosed in detail. The textbook is addressed, first of all, to those who are interested in mastering the theory and practice of information and analytical work: teachers. graduate students, heads and managers of organizations, employees of law enforcement agencies and security services, employees of analytical services, etc. of course, journalists.
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 ... >>
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 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
Error free oscillating catalysts
09.03.2020
A team of researchers at the University of Minnesota has created an oscillating catalyst technology that can speed up certain chemical reactions without side processes or errors.
Catalysts are used in many chemical processes today. They speed up chemical reactions by lowering their activation energy. A chemical reaction occurring on the surface of a catalyst, such as a metal, accelerates faster than unwanted side processes. If the target reaction proceeds much faster than any other side reaction, then the catalyst is well suited for the synthesis of the most valuable products. But sometimes even a slight admixture of by-products can significantly contaminate the final compound. In addition, not in all reactions, side processes proceed much more slowly than the main ones - sometimes they are even comparable with them in speed.
To solve these problems, scientists at the Universities of Minnesota and Delaware, the University of California at Santa Barbara, and the University of Massachusetts Amherst have developed a new class of catalysts that dramatically speed up targeted chemical reactions using vibrations. When the frequency and amplitude of the acting wave coincide with the characteristics of the target reaction, then it becomes thousands of times faster than all side processes.
"All chemical reactions have their own frequencies, like the strings on a piano or a guitar," says study lead author Paul Dauenhauer. "When we find that right frequency for the desired reaction, the catalyst is almost perfect - wasteful side processes almost completely stop."
The discovery is of particular importance for the production of key chemicals in the energy, materials, food and medical industries. The most important chemicals are produced on a huge industrial scale, so that even well-developed catalysts form some by-products, creating thousands of tons of waste per year. Now researchers know how to deal with this.
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