Free books, magazines, collections published in 1970

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Content of books and magazines / Year 1970

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10 transistor circuits

12 days in Czechoslovakia

14 days in Bucharest

Automation of positional electric drives. Zusman V.G., 1970

Automation of in-plant transport installations. Malkovich A.R., 1970

Automated drives with magnetic amplifiers in machine tools. Kardasheva I.B., Rozman Ya.B., 1970

Automatic gain control in bass amplifiers. Esakov V.F., 1970

Automatic measuring instruments with devices for performing mathematical operations. Kulikovsky L.F., 1970

Automatic pattern recognition. Peresada V.P., 1970

Alice in the Mirror

Arithmetic of binomial coefficients

Asynchronous low-power drives with statistical converters. Gruzov V.L., Sabinin Yu.A., 1970

Asynchronous electric drive with thyristor switches. Petrov L.P., 1970

Endless cassette

Infinite work

Infinite continued fractions

Non-contact cost measurement. Ilyinsky V.M., 1970

Contactless switching devices. Martynov E.M., 1970

There is strength in unity. Not enemies, but friends. 4, 5 and 6

To help the school radio club. Voznyuk V.V., 1970

Introduction to Electronics

Probabilistic automata. Pospelov D.A., 1970

Witenberg I.M. High-speed analog computers., 1970

Attention! Boarding school at Leningrad University

Attention: in the equation - a parameter!

Physics questions

Everything mathematicians do

All-Union Correspondence Olympiad

Outstanding result

High quality sound reproduction. Gendin G.S., 1970

Output devices of non-contact automation systems. Pisarev A.L., 1969

Calculating sums

Where is the logical fallacy?

Geometric inequalities

Geometric meaning of some inequalities with two variables

Collision geometry

Is it suitable for 27?

Years of life of V.I. Lenin and a quote from his complete works

State Prizes 1969

Movement charts

Humanitarians take math

Two car enthusiast devices

Two legends (M.V. Ostrogradsky and Laplace)

Two scenes from life. In one research institute

Dictaphones and their applications. Vlasov L.A., Vol V.S., Gozhev G.M., 1970

Dynamics of multichannel position control systems. Cherepanov A.I., 1970

Dynamics of three-phase magnetic amplifiers. Makarov V.L., Shnarevich D.I., 1970

Dynamics of frequency-controlled electric drives with autonomous inverters. Kivitsky S.O., Epstein I.I., 1970

Once again about Alyonushka and her brother Ivanushka

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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 ... >>

Petgugu Global cat litter 15.04.2024

Taking care of pets can often be a challenge, especially when it comes to keeping your home clean. A new interesting solution from the Petgugu Global startup has been presented, which will make life easier for cat owners and help them keep their home perfectly clean and tidy. Startup Petgugu Global has unveiled a unique cat toilet that can automatically flush feces, keeping your home clean and fresh. This innovative device is equipped with various smart sensors that monitor your pet's toilet activity and activate to automatically clean after use. The device connects to the sewer system and ensures efficient waste removal without the need for intervention from the owner. Additionally, the toilet has a large flushable storage capacity, making it ideal for multi-cat households. The Petgugu cat litter bowl is designed for use with water-soluble litters and offers a range of additional ... >>

The attractiveness of caring men 14.04.2024

The stereotype that women prefer "bad boys" has long been widespread. However, recent research conducted by British scientists from Monash University offers a new perspective on this issue. They looked at how women responded to men's emotional responsibility and willingness to help others. The study's findings could change our understanding of what makes men attractive to women. A study conducted by scientists from Monash University leads to new findings about men's attractiveness to women. In the experiment, women were shown photographs of men with brief stories about their behavior in various situations, including their reaction to an encounter with a homeless person. Some of the men ignored the homeless man, while others helped him, such as buying him food. A study found that men who showed empathy and kindness were more attractive to women compared to men who showed empathy and kindness. ... >>

Random news from the Archive

Illuminated patch 09.07.2007

For many years, photodynamic therapy has been used to treat skin cancer: a relatively harmless substance is administered to the patient, which is absorbed mainly by cancer cells.

Then the tumor is irradiated with light of a certain wavelength, which is why the substance accumulated in it is activated, killing malignant cells. But the equipment for irradiation is cumbersome and requires maintenance by specialists, so treatment can only take place in a hospital.

A group of British doctors and physicists have developed a patch based on an organic polymer that glows when exposed to an electric current. Such light sources are now used in the displays of cell phones, digital cameras, laptop screens.

A polymer has been selected that emits light of the wavelength required for treatment. The patch is stuck on the sore spot, the battery is put in your pocket - and the treatment goes anywhere.

News feed of science and technology, new electronics

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