Scheme, pinout (soldering) of the Siemens C25, S25 cable. Encyclopedia of radio electronics and electrical engineering
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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
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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
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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 Attosecond pulses of light - using a conventional industrial laser
11.09.2020
A team of researchers at the University of Central Florida has developed a new method to produce attosecond pulses of light using light from a conventional industrial laser as input. This achievement opens up the possibility of recording events and making measurements with attosecond accuracy, which, in turn, will allow scientists from various fields of science to study ultrafast phenomena and processes, such as the movement of electrons in atoms or molecules in their natural time frame.
The production of extremely short pulses of light, the duration of which is comparable to the duration of one oscillation of the electromagnetic wave of this light, is usually done using light pulses produced by a high-quality laser, which are passed through tubes filled with noble gases such as xenon and argon. Due to this, already quite short pulses, numbering about a hundred cycles of electromagnetic wave oscillations, are compressed in time.
In the new method proposed by scientists from Florida, the new method practically does not differ from the one described above, except that the tubes through which the light pulses pass are filled not with noble (inert) gases, but with molecular gases, such as nitric oxide, which have linear optical properties. The effect of reducing the pulse duration obtained by scientists arises due to the fact that gas molecules, which have their own electric polarization, under the influence of the electric field of the light pulse, have time to align and turn into a kind of linear resonator.
With the help of the first experimental setup, scientists managed to achieve a reduction in the duration of the initial pulse, which varied in the range from 100 to 1000 cycles, to a duration of 1,6 cycles of an electromagnetic wave. In this method, the key points are the choice of the molecular gas-filler, the frequency and duration of the initial light pulses. With properly selected parameters, which necessarily take into account the inertia of the gas molecules, the new method will be able to reduce the pulse duration to the time of one oscillation of the electromagnetic wave of the initial light pulse.
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