Tricks with sticks and their solutions. Encyclopedia of tricks

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EFFECTIVE FOCUSES AND THEIR CLUES
Free library / Directory / Spectacular tricks and their clues

Spectacular tricks and their clues

Spectacular tricks and their clues

Directory / Spectacular tricks and their clues

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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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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. ... >>

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Huawei CableFree 5G Antennas 30.05.2020

Huawei announced a breakthrough in the development of 5G antennas. A new design called CableFree improves the capabilities of 5G base station antennas. This communication standard provides for the use of new bands and more antenna connections. And the new design provides better coverage in the 5G high-frequency band. According to the company, CableFree improves the radiation efficiency of the antenna by about 20%.

To support the higher capacity and additional antenna connections used for 5G communications, the antennas must be capable of handling 1kW. For communication of the previous generation, a power of 500-600 watts was enough. The CableFree design increases the power of the antenna by more than 80% and also reduces the weight of the antennas, making them easier to install. The six-band antenna based on CableFree is about 10 kg lighter than analogues, and the weight of multi-channel antennas is immediately reduced by 50 kg. Thus, they do not require a crane to be installed, which saves time and money during the network deployment process.

At the same time, CableFree reduces the use of screws and solder points by up to 80%, reducing the chance of passive intermodulation or signal distortion and interference caused by large metal objects. This, in turn, makes it easier to automate the production of antennas while keeping their quality unchanged.

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