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Fundamentals of First Aid (OPMP)

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Fundamentals of First Aid (OPMP)



Latest news of science and technology, new electronics:

The speech of sperm whales is similar to that of humans 18.05.2024

In the world of the ocean, where the mysterious and unknown coexists with the studied, sperm whales, with their huge brains, are of particular interest to science. Researchers, working with a huge array of audio recordings collected during the Dominica Sperm Whale Project (DSWP) - more than 8000 recordings, seek to unravel the secrets of their communication and understand the structure and complexity of the language of these mysterious creatures. By studying in detail the recordings of 60 sperm whales in the eastern Caribbean, scientists have revealed surprising features of their communication, revealing the complexity of their language. "Our observations indicate that these whales have a highly developed combinatorial communication system, including rubato and ornaments, which indicates their ability to quickly adapt and vary during communication. Despite significant differences in evolution, sperm whales have elements in their communication that are characteristic of human communication," says Shane Gero, a biologist at Carleton University and director of the CETI project. Issl ... >>

Electron spin for quantum information transfer 18.05.2024

The transfer of quantum information remains one of the key tasks of modern science. Recent advances in the use of electron spin to expand the capabilities of information transfer in quantum systems have become very important. Researchers at Lawrence Berkeley National Laboratory are pushing the frontiers of quantum information science by experimenting with the possibilities of electron spin. Electron spin, a natural quantum bit, is a potentially powerful means for storing and transmitting information in quantum systems. Magnon wave packets, collective excitations of electron spin, have revealed their potential to transmit quantum information over significant distances. The work of Berkeley Lab researchers has revolutionized the way such excitations propagate in antiferromagnets, opening up new prospects for quantum technologies. Using pairs of laser pulses, scientists disrupted antiferromagnetic order in one place and simultaneously studied it in another, creating ... >>

Sound-absorbing silk 17.05.2024

In a world where noise is becoming increasingly intrusive, the emergence of innovative materials that can reduce its impact is of great interest. MIT researchers have unveiled a new sound-absorbing silk fabric that promises to revolutionize quiet spaces. The Massachusetts Institute of Technology (MIT) has made significant breakthroughs in the field of sound absorption. Researchers have developed a special silk fabric that can effectively absorb sound and create cozy, quiet environments. The fabric, thinner than a human hair, contains a unique vibrating fiber that is activated when voltage is applied to it. This feature allows the fabric to be used to suppress sound waves in two different ways. The first method uses fabric vibrations to generate sound waves that cover and cancel out unwanted noise, similar to noise-canceling headphones. This p ... >>

Random news from the Archive

space tanker 12.08.2019

NASA has announced 19 new partnerships with 10 US companies to develop new space technologies. Most of them will be used in the Artemis lunar program. Among them is an agreement with SpaceX to develop technology for in-flight refueling of spacecraft.

SpaceX will work to develop the technology needed to put rocket fuel into orbit and develop the Starship spacecraft that will go to the Moon and Mars.

SpaceX said they are excited to help the Artemis program, which sees NASA send humans to the Moon by 2024.

"We believe SpaceX's fleet of state-of-the-art rockets and spacecraft, including the Falcon Heavy and starships, is integral to accelerating NASA's lunar and Martian plans."

One of SpaceX's chief engineers, Paul Wooster, who is developing the Starship spacecraft, noted that in-space refueling is one of the most difficult technological challenges the company will have to solve. The company plans to find a solution by 2020 and start implementing it.

In addition, Blue Origin must develop a navigation system for precision moon landings. The company will also create a new power system that can keep the spacecraft running during moonlit nights, the two-week periods when temperatures drop to -173 degrees Celsius on Earth's moon.

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