Low frequency amplifier based on TA8215H-A chip. Encyclopedia of radio electronics and electrical engineering
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Latest news of science and technology, new electronics:
Machine for thinning flowers in gardens
02.05.2024
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.
... >>
Advanced Infrared Microscope
02.05.2024
Microscopes play an important role in scientific research, allowing scientists to delve into structures and processes invisible to the eye. However, various microscopy methods have their limitations, and among them was the limitation of resolution when using the infrared range. But the latest achievements of Japanese researchers from the University of Tokyo open up new prospects for studying the microworld. Scientists from the University of Tokyo have unveiled a new microscope that will revolutionize the capabilities of infrared microscopy. This advanced instrument allows you to see the internal structures of living bacteria with amazing clarity on the nanometer scale. Typically, mid-infrared microscopes are limited by low resolution, but the latest development from Japanese researchers overcomes these limitations. According to scientists, the developed microscope allows creating images with a resolution of up to 120 nanometers, which is 30 times higher than the resolution of traditional microscopes. ... >>
Air trap for insects
01.05.2024
Agriculture is one of the key sectors of the economy, and pest control is an integral part of this process. A team of scientists from the Indian Council of Agricultural Research-Central Potato Research Institute (ICAR-CPRI), Shimla, has come up with an innovative solution to this problem - a wind-powered insect air trap. This device addresses the shortcomings of traditional pest control methods by providing real-time insect population data. The trap is powered entirely by wind energy, making it an environmentally friendly solution that requires no power. Its unique design allows monitoring of both harmful and beneficial insects, providing a complete overview of the population in any agricultural area. “By assessing target pests at the right time, we can take necessary measures to control both pests and diseases,” says Kapil ... >>
| Random news from the Archive Sounds convey emotions better than words.
25.01.2016
Scientists from Canada and the UK, led by Marc Pell (Marc Pell) from McGill University (Canada) proved that the human brain much faster recognizes emotions conveyed not by words, but by vocalizations - laughter, sobs, growls, sighs and the like. More evolutionarily ancient areas of the brain are involved in this process than in the interpretation of speech. Moreover, scientists have found that we pay much more attention to emotions expressed in such ways than when we are told about them in words.
It takes tenths of a second to process nonverbal signals about the emotional state. Such speed, according to the authors of the article, was developed out of necessity, since the life of an ancient person often depended on the rapid recognition of the emotions of another.
In the study, scientists focused on three main emotions - anger, sadness and happiness. 24 people took part in the experiment, all of them were given to listen to various non-verbal vocalizations, as well as phrases from words that did not exist in reality, spoken with different intonations. The task of the subjects was to find out the transmitted emotions, and using the EEG, the scientists established how quickly and in which areas of the brain the reaction was recorded.
As a result, several interesting conclusions were drawn. In addition to the fact that non-verbal sounds were evaluated faster, there was a difference in reactions to different types of emotions. Specifically, sounds associated with happiness, such as laughter, were processed faster than sounds associated with anger and sadness. At the same time, the reaction to anger has always been longer, that is, our brain pays more attention to this particular emotion, which, in general, is understandable from the point of view of evolutionary advantages.
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