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Automatic voltage regulator. Dolnik A.G., Ephrussi M.M., 1953
Antenna-feeder devices. Linde D.P., 1953
Introduction to radio engineering of decimeter and centimeter waves. Zherebtsov I.P., 1953
Output transformers. Krize S.N., 1953
Loudspeakers. Dolnik A.G., 1953
Ninth radio show. Radio equipment in the national economy. Mavrodiadi V.G. (comp), 1953
Ninth radio show. Radio equipment in the national economy. Spizhevsky I.I., 1953
How to wind a transformer. Podyapolsky A.N., 1953
How to build a rectifier. Weinstein S.S., 1953
Quality indicators of radio receivers. Levitin E.A., 1953
Construction of amateur shortwave receivers. Shulgin K.A., 1953
Crystal diodes and triodes. Pumper E.Ya., 1953
Cold cathode lamp. Borkhvard G.K., 1953
Amateur radio communication on meter waves. Plonsky A.F., 1953
Tape recorder. Kushelev Yu.N., 1953
Desktop radio with tape recorder. Kernozhitsky E.P., 1953
Undamped vibrations. Khaikin S.E., 1953
Reception of television broadcasts. Novakovsky S.V., Samoilov G.P., 1953
Amateur radio designs. Description index. Enyutin V.V., 1953
Radio engineering and electronics in astronomy. Chechik P.O., 1953
Radiofication of residential buildings. Gudkov P.P., 1953
Homemade wind turbine. Purley S.B., 1953
Hearing Aids. Ephrussi M.M., 1953
Resistors and capacitors in radio circuits. Ginzburg 3.B., 1953
Ultrashortwave attachments. Kostandi G.G., 1953
Low frequency amplifiers. Malinin R.M., 1953
Reader radio amateur. Spizhevsky I.I., 1953
Electrical filters. Konashinsky D.A., 1953
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Latest news of science and technology, new electronics:
Artificial leather for touch emulation
15.04.2024
In a modern technology world where distance is becoming increasingly commonplace, maintaining connection and a sense of closeness is important. Recent developments in artificial skin by German scientists from Saarland University represent a new era in virtual interactions. German researchers from Saarland University have developed ultra-thin films that can transmit the sensation of touch over a distance. This cutting-edge technology provides new opportunities for virtual communication, especially for those who find themselves far from their loved ones. The ultra-thin films developed by the researchers, just 50 micrometers thick, can be integrated into textiles and worn like a second skin. These films act as sensors that recognize tactile signals from mom or dad, and as actuators that transmit these movements to the baby. Parents' touch to the fabric activates sensors that react to pressure and deform the ultra-thin film. This ... >>
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Random news from the Archive The distance of ultrashort flashes of light is calculated
06.11.2021
Researchers at the American University of Beirut tracked the dynamics of two linked flashes of light in real time. Distances can be predicted based on differences in transit times within the resonator and fine-tuned by shifting the optical elements. Scientists have proven that it is the optical reflections inside the laser cavity that connect the solitons in time and space.
The study showed how the link between two outbreaks weakens, and then a new link is quickly created between them. Now you can specifically switch between flashes of light that occur in pairs and have different time intervals. Therefore, it is possible to generate coupled flashes of light in other laser systems and switch their distances without much effort.
"Switching soliton molecules with a single button opens up new perspectives for technical applications of femtosecond pulses, especially in spectroscopy and materials processing," says Luca Nimmesgern, first author of the study and a master's student in physics at the University of Beirut.
Since the first reports of pulse pairs in fiber lasers more than 20 years ago, there have been many different explanations for the stability of soliton molecules in lasers. A new study offers the first definitive explanation compatible with measured data.
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