Technique, industry, architecture - Electronic devices. Crosswordist's Handbook

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Crosswordist's Handbook

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Engineering, industry, architecture / Electronics and computer technology / Electronic devices

(4)

DIODE

(5)

OKTOD

TRIODE

(6)

HEXOD

PENTODE

TETRODE

(7)

VIDIKON - television transmission tube

ORTICON - transmitting device

(8)

VARISTOR

KENOTRONE

KLYSTRON

NUVISTOR

RESISTOR

THYRISTOR

(9)

IKONOSCOPE - the first transmitting television device

MAGNETRON

THERMISTOR - see Thermistor

(10)

MECHANOTRON

CHIP

(11)

STABILITRON

PHOTOCELL

(12)

THERMOELEMENT

PHOTORESISTOR

(13)

SEMICONDUCTOR

THERMISTOR (thermistor)

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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. ... >>

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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

First biological pacemaker cells grown 22.12.2016

Scientists from the MacEwen Center for Regenerative Medicine at Heath University (USA), led by postdoc Stephanie Protze, have for the first time grown working heart pacemakers from stem cells in the laboratory.

We are talking about cells that generate impulses that determine the heart rate. These cells are concentrated in a special area of the heart muscle. When they fail to do their job, a person needs a mechanical pacemaker.

The method builds on previous work by the same research team that has worked out in detail which substances (signaling molecules) given in strictly defined amounts in a strictly defined order can turn a mammalian stem cell into a pacemaker cell.

"We're replicating human biology in a petri dish," explained Dr. Gordon Keller, director of the McEwen Center and one of the paper's co-authors. "We're replicating the path nature takes to make these cells."

Cells obtained in vitro - pacemakers have already been transplanted into the heart of laboratory mice and work normally there.

The significance of this work cannot be overestimated: thanks to the achievements of Protze, Keller and their colleagues, in the future it may be possible to grow biological pacemakers in the laboratory that will be much better integrated into the human body and work more efficiently than artificial ones.

However, scientists say that clinical trials of the new method in humans are still far away - it will take at least five to ten years for scientists to work well enough on mice.

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