Standard instructions for labor protection
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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 Piezoelectric MEMS Microphones for Smartphones
02.03.2016
Infineon, AAC Technologies and startup Vesper have unveiled a new generation of microelectromechanical systems (MEMS) microphones - piezoelectric MEMS microphones (currently MEMS condenser microphones are common). As usual, everything new is repeatedly sold old.
Microphones on MEMS are nothing new. Their main advantage is their compact size and the ability to produce the main elements of microphones - MEMS structures - on semiconductor substrates, similar to how traditional microcircuits are produced. Such assembled microphones are modules with sides of two to three millimeters. This is a close to ideal solution for installation in thin smartphones. Unfortunately, there are losses in the quality of sound recording, but more advanced microphones simply do not fit in a smartphone.
Meanwhile, new models of mobile devices - smartphones and tablets - boast a breakthrough in video quality, which reaches 4K resolution. To complete the "picture", the microphones need to catch up as a recording. New MEMS array microphones with a piezoelectric pickup element promise industry-leading signal-to-noise ratio of 66dB and distortion-free recording of 135dB. This is above the human pain threshold, which is set at 130 dB.
Piezoelectric microphones are not a modern invention either. This recording principle is many years old. Nevertheless, in combination with MEMS matrices, this is a progressive solution. Other undoubted advantages of the new solution include a high level of protection against pollution and moisture. On the Vesper stand, one could see a piezoelectric MEMS microphone that did not lose performance even when immersed in water. This is all the more important, since the second most non-warranty failure of smartphones is the failure of microphones due to contamination. Modern MEMS condenser microphones are also susceptible to this scourge and require special protection measures.
Finally, the design features of the piezoelectric MEMS microphone Vesper and Infineon make it possible to conduct directional recording with high accuracy. This is achieved both due to the qualities of the microphone itself, and due to the organization of the array of microphones. By the way, for applications with virtual reality, the accuracy of sound positioning will play an important role, so piezoelectric microphones can be registered in VR systems.
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