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FUNDAMENTALS OF FIRST AID
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Sudden illnesses

Fundamentals of First Aid / Sudden illnesses

Fundamentals of First Aid (OPMP)

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Fundamentals of First Aid (OPMP)

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. ... >>

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Charging cable Phoenix Contact 375 kW 20.04.2023

Phoenix Contact has unveiled its new HPC charging cable from the Charx Connect Professional family, which is said to provide safe, high power charging with a constant output of 375kW and does not require cooling.

Fast charging cables in this performance class are usually liquid-cooled, which increases the cost of the cables themselves and the required cooling unit. Until now, however, manufacturers have relied on cooling as it allows for a lower conductor cross-section and for the end user to easily move the CCS cable in the charging station.

Although Phoenix Contact has increased the conductor cross section to 4x 50 square millimetres, the company believes that the cost advantages and the elimination of a liquid-cooled cooling jacket offset the larger conductor cross section. Uncooled charging cables must operate "permanently and safely" at 375 amps, even at temperatures up to 40 degrees Celsius. Since the cable is rated up to 1000 volts, this gives a design power of up to 375 kW, even if the voltage levels of today's electric vehicles are lower.

In Boost Mode, significantly higher charging currents are possible for a short time. In any case, the CCS standard does not provide for more than 500 amps. According to the technical data overview on the main page, up to 500 amps are possible in "boost mode" "depending on ambient conditions". However, since very few electric vehicles can use 500 amps (i.e. 200 kW charging power at 400 volts mains voltage) for only a few minutes, a 375 amp DC design is sufficient in practice - and still a short-term peak of 200 kW is possible.

In addition to the cost advantage of eliminating cooling components, the new HPC cable family features four-wire measurement technology. This allows the power loss in the charging cable to be recorded so that the energy transferred to the electric vehicle can be accurately determined, which is important for reliable and appropriate billing of charging processes.

Safety should be improved by a new type of double chamber sealing system. Thus, according to the company, the spatial separation of the two DC+ and DC- power contacts "reliably prevents possible short circuits". Another advantage is said to be due to the design: with freestanding repair kits, it is possible to replace the face of the connector, including the power pins, without changing the charging cable.

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