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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

Athletes are harmed by any blows to the head 20.01.2018

Researchers from several American laboratories in experiments on mice have shown that chronic traumatic encephalopathy (CTE) is provoked not only by strong blows to the head, causing a concussion, but also by other traumatic effects. The main risk factor is the frequency of injury: if the head is hit regularly, the likelihood of CTE increases regardless of the strength of the blows. These results explain why helmets and other head protection measures in athletes are often ineffective in preventing chronic traumatic encephalopathy.

The experiments were carried out on mice. Animals were subjected either to a shock wave or to a blow to the head with a blunt object. After that, we recorded what changes occurred in the behavior of mice and whether it is possible to say that specific rodents have a concussion (it is detected by a number of behavioral signs). A similar effect was repeated several times, that is, if at first the mouse was "beaten" with a shock wave, then in subsequent experiments the same method was used. Changes in the state of the nervous tissue of rodents were studied on sections passing through various parts of their brain.

Signs of concussion were observed only in those rodents that were subjected to mechanical blows to the head. At the same time, chronic traumatic encephalopathy developed in those who were exposed to the shock wave, and in those who were beaten on the head in the "usual" way. This means that in some cases CTE does not manifest itself in any way, and its development is not necessarily associated with concussion. Thus, many athletes who have never been diagnosed with a concussion may be affected by chronic traumatic encephalopathy. Those at risk are primarily those who are most often hit on the head - boxers, as well as rugby and American football players.

Chronic traumatic encephalopathy is an organic brain lesion caused by head trauma. With it, attention, memory are disturbed, and mood often also suffers. In CTE, nerve cells often accumulate amyloid proteins that cause Alzheimer's disease. In any case, this pathology causes trouble for the patient: at the level of behavior, it often manifests itself as depression and suicidal thoughts, memory impairment, etc. is observed.

The researchers hope their findings will lead the relevant sports federations to reconsider the eligibility requirements for athletes who have had head injuries to play or practice, and this will help reduce the prevalence of CTE.

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