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Art and culture / Literature / Gorky A. M. Works
(4)
CHILDREN - play
SUMMER - a story
MOTHER - novel
THREE - novel
(5)
ENEMIES - play
CONCLUSION - story
TIMKA - story
LONGING - story
(6)
ARTIST - story
YERALASH - story
ZYKOV - play
MALVA - story
BOTTOMISTS - a play
ERROR - story
OLD MAN - play
PRISON - story
OWNER - story
CHELKASH - story
ODDIES - play
(7)
JOKE - story
BARBARS - play
TOWN - story
COTTAGE CITIZENS - play
GIRL - story
CHILDHOOD - a story
KIRILKA - story
BELL - story
ICE DRIFT - story
BEGGAR - story
mischievous - story
SAMOVAR - story
MAN - story
(8)
CONFESSION - story
MORDOVKA - story
ROMANTIC - story
READER - story
(9)
Dime - story
KONOVALOV - story
LAST - play
(10)
DELESSION - story
Word search to solve the crossword puzzle:
Replace each unknown letter with *. For example, dog * ka, * oshka, we ** a. Pairs е - ё, and - й are equated.
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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 Water is a source of terahertz radiation
25.09.2017
It is known that water intensely absorbs electromagnetic waves in the terahertz range, which is why for a long time it was considered unlikely that liquid water could act as a source of terahertz waves. However, an international team of scientists has demonstrated that a thin layer of water, no more than 200 micrometers thick, irradiated with ultrashort pulses of laser light, is capable of emitting terahertz electromagnetic radiation. And, such a source of terahertz waves can be used in the future in wireless communication technologies, industrial quality control and shooting with high resolution and the ability to penetrate deep into the object being filmed.
In their experiments, the scientists focused the light of a femtosecond laser, a laser whose pulse duration is measured in femtoseconds (10^-12 seconds), on the surface of a thin layer of water. The energy of this pulse leads to the creation of a plasma cloud, consisting of ions and free electrons, at the beam focusing point. Some of the energy of the laser pulse is spent on additional excitation of ions and electrons, which begin to emit waves in the terahertz range.
Further studies have shown that terahertz radiation obtained using water has some features in relation to radiation obtained using other methods. In the case of water, an increase in the duration of the laser pulse leads to an increase in the number and energy of terahertz waves, while other methods require a decrease in the duration and increase in the energy of the pulse to obtain the same effect. Secondly, the energy and amount of terahertz radiation depends on the polarization of the light and the angle of incidence of the laser light beam on the surface of the water film.
The results obtained by scientists cannot yet be explained from the point of view of physical laws and mechanisms known to scientists involved in the processes of formation of terahertz radiation. Therefore, it is still very early to talk about the possibility of any practical application of water as a source of radiation. Scientists hope that further research into the interactions between laser light and water will lead to an understanding of the ongoing processes, on the basis of which it will be possible to develop new terahertz technologies.
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