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Big and small secrets of mobile phones. Adamenko M., 2004.
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Detailed information about service codes, service menus, unlocking mobile phones of popular models. Drawings of the location of control points, various reference information are given.
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Latest news of science and technology, new electronics:
Alcohol content of warm beer
07.05.2024
Beer, as one of the most common alcoholic drinks, has its own unique taste, which can change depending on the temperature of consumption. A new study by an international team of scientists has found that beer temperature has a significant impact on the perception of alcoholic taste. The study, led by materials scientist Lei Jiang, found that at different temperatures, ethanol and water molecules form different types of clusters, which affects the perception of alcoholic taste. At low temperatures, more pyramid-like clusters form, which reduces the pungency of the "ethanol" taste and makes the drink taste less alcoholic. On the contrary, as the temperature increases, the clusters become more chain-like, resulting in a more pronounced alcoholic taste. This explains why the taste of some alcoholic drinks, such as baijiu, can change depending on temperature. The data obtained opens up new prospects for beverage manufacturers, ... >>
Major risk factor for gambling addiction
07.05.2024
Computer games are becoming an increasingly popular form of entertainment among teenagers, but the associated risk of gaming addiction remains a significant problem. American scientists conducted a study to determine the main factors contributing to this addiction and offer recommendations for its prevention. Over the course of six years, 385 teenagers were followed to find out what factors may predispose them to gambling addiction. The results showed that 90% of study participants were not at risk of addiction, while 10% became gambling addicts. It turned out that the key factor in the onset of gambling addiction is a low level of prosocial behavior. Teenagers with a low level of prosocial behavior do not show interest in the help and support of others, which can lead to a loss of contact with the real world and a deepening dependence on virtual reality offered by computer games. Based on these results, scientists ... >>
Traffic noise delays the growth of chicks
06.05.2024
The sounds that surround us in modern cities are becoming increasingly piercing. However, few people think about how this noise affects the animal world, especially such delicate creatures as chicks that have not yet hatched from their eggs. Recent research is shedding light on this issue, indicating serious consequences for their development and survival. Scientists have found that exposure of zebra diamondback chicks to traffic noise can cause serious disruption to their development. Experiments have shown that noise pollution can significantly delay their hatching, and those chicks that do emerge face a number of health-promoting problems. The researchers also found that the negative effects of noise pollution extend into the adult birds. Reduced chances of reproduction and decreased fertility indicate the long-term effects that traffic noise has on wildlife. The study results highlight the need ... >>
| Random news from the Archive New way to detect tsunami
25.04.2022
Japanese scientists have proposed a new approach to tsunami detection, which is to monitor muons.
Muons are high-energy elementary particles that are created by cosmic rays arriving from outer space. They are everywhere in the atmosphere and can pass harmlessly through almost anything. However, they can be very slightly displaced in their path by large natural forces, including tsunamis.
In order to detect the movements of muons, an incredibly sensitive instrument is required - TS-HKMSSD. He first detected tsunami waves through muon ripples.
"The Tokyo Bay Hyperkilometer Underwater Depth Detector is the world's first underwater muon observatory to detect various muon activity during a tsunami," said geophysicist Hiroyuki Tanaka of the University of Tokyo in Japan.
This variation is consistent with ocean waves that have been measured by other methods. Consolidation of readings means that muographic data can be used to accurately model sea level changes, bypassing other methods that have drawbacks.
A new study describes the TS-HKMSDD system that detected a weak tsunami that passed through Tokyo Bay in September 2021, caused by a typhoon approaching Japan from the south. As the ocean swelled, the number of muons slightly changed, scattered throughout the volume of water.
The same instruments could be installed in other tunnels in tsunami-prone areas and used in conjunction with equipment such as sea level sensors as part of early warning systems.
The muon detectors included with TS-HKMSSD are actually quite small, about two meters long. Currently, 20 of them are located next to the Tokyo Bay Road Tunnel, working together to create a common system. Such a system can be used not only to detect approaching tsunamis, but also to search for natural gas reserves and identify patterns of ancient earthquakes.
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