Electrical safety. Articles of the Free Technical Library

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OCCUPATIONAL SAFETY AND HEALTH
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Occupational Safety and Health

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Occupational Safety and Health

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Basics of safe life

Fundamentals of First Aid

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

Projector in a fist 25.11.2006

German engineers have almost assembled a projector the size of a sugar cube. Current projectors, which allow the presenter to show files with graphics and pictures on a large screen, have two drawbacks: large size and considerable price. The reason is that the heart of the projector is an array of millions of micromirrors that form the image using a powerful lamp.

Scientists from the Fraunhofer Institute for Applied Optics and Precision Mechanics (Germany) proved that both disadvantages can be overcome by designing a projector that is slightly larger than a one euro coin. This mini-projector does not have a million mirrors, but a single one, but capable of rotating in two planes. The light source is semiconductor microlasers, like those used in pointers. These are the lasers that do not allow you to make the projector very small.

The fact is that while the blue and red lasers have already "reduced" to the required size, such a transformation has not yet been possible with the green one, despite the many years of efforts by scientists around the world. And when luck finally smiles on them, then there will be unprecedented devices like a cell phone, capable of receiving a TV program and independently displaying an image on a large screen.

Well, the speaker will be relieved of the problems of docking with the equipment of the host: his own laptop will show everything. At its best.

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