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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 Human hearing depends on hands
29.10.2012
A new study on the connection between motor skills and perception shows that the right and left hemispheres of the brain hear differently. This study, conducted by scientists from Georgetown University, not only uncovers another brain mystery, but may also help treat speech disorders in children and people who have had a stroke. The study demonstrates for the first time a difference in the processing of audio information by the right and left hemispheres of the brain, although a number of experiments have already pointed to this feature.
The scientists found 24 volunteers and let them listen to fast and slow-changing sounds and background noises. The subjects were then asked to indicate by pressing a button whether they heard sounds hidden in the background noise or not. In this case, each volunteer had to use the right hand to press the button for the first 20 sounds, and then the left, and so on in turn.
As a result, it turned out that when people used their right hand, they heard fast-changing sounds better, and when they used the left, on the contrary, slower ones. Since the left hemisphere controls the right hand, and vice versa, the results of the experiment show that the two hemispheres specialize in different kinds of sounds. The left hemisphere "likes" fast-changing sounds, such as letters, while the right hemisphere loves slow-changing sounds, such as syllables or intonations. The connection between the motor system and perception is also clearly visible. In general, the conclusion is the following: most likely speech is processed mainly in the left hemisphere due to the fact that it specializes in the analysis of very rapidly changing sounds.
The fact is really amazing. Imagine that you are listening to a speech at a rally and are waving a flag at the same time. So, the perception of speech will differ depending on which hand you hold the flag in. Ultimately, the scientists hope that understanding the organization of human sound perception and its interaction with the motor system will help explain why speech is processed in the left hemisphere and how to deal with speech impairments.
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