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Self-healing glass

06.06.2018

Scientists from the University of Tokyo have synthesized a material that can "stick" scratches and cracks. At the same time, it does not need heating, like most of these materials. In order for the glass to "stick together", it is necessary to apply slight pressure to it - for example, connect pieces of glass with your hands and squeeze tightly.

It is assumed that the development of Japanese scientists can be used to make screens for smartphones, tablets and other devices.

Previously, developers from the United States proposed glass that can be restored by increasing in size. In addition, in 2015, LG demonstrated a phone with a protective film that can stick together damage

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Latest news of science and technology, new electronics:

The existence of an entropy rule for quantum entanglement has been proven 09.05.2024

Quantum mechanics continues to amaze us with its mysterious phenomena and unexpected discoveries. Recently, Bartosz Regula from the RIKEN Center for Quantum Computing and Ludovico Lamy from the University of Amsterdam presented a new discovery that concerns quantum entanglement and its relation to entropy. Quantum entanglement plays an important role in modern quantum information science and technology. However, the complexity of its structure makes understanding and managing it challenging. Regulus and Lamy's discovery shows that quantum entanglement follows an entropy rule similar to that for classical systems. This discovery opens new perspectives in the field of quantum information science and technology, deepening our understanding of quantum entanglement and its connection to thermodynamics. The results of the study indicate the possibility of reversibility of entanglement transformations, which could greatly simplify their use in various quantum technologies. Opening a new rule ... >>

Mini air conditioner Sony Reon Pocket 5 09.05.2024

Summer is a time for relaxation and travel, but often the heat can turn this time into an unbearable torment. Meet a new product from Sony - the Reon Pocket 5 mini-air conditioner, which promises to make summer more comfortable for its users. Sony has introduced a unique device - the Reon Pocket 5 mini-conditioner, which provides body cooling on hot days. With it, users can enjoy coolness anytime, anywhere by simply wearing it around their neck. This mini air conditioner is equipped with automatic adjustment of operating modes, as well as temperature and humidity sensors. Thanks to innovative technologies, Reon Pocket 5 adjusts its operation depending on the user's activity and environmental conditions. Users can easily adjust the temperature using a dedicated mobile app connected via Bluetooth. Additionally, specially designed T-shirts and shorts are available for convenience, to which a mini air conditioner can be attached. The device can oh ... >>

Energy from space for Starship 08.05.2024

Producing solar energy in space is becoming more feasible with the advent of new technologies and the development of space programs. The head of the startup Virtus Solis shared his vision of using SpaceX's Starship to create orbital power plants capable of powering the Earth. Startup Virtus Solis has unveiled an ambitious project to create orbital power plants using SpaceX's Starship. This idea could significantly change the field of solar energy production, making it more accessible and cheaper. The core of the startup's plan is to reduce the cost of launching satellites into space using Starship. This technological breakthrough is expected to make solar energy production in space more competitive with traditional energy sources. Virtual Solis plans to build large photovoltaic panels in orbit, using Starship to deliver the necessary equipment. However, one of the key challenges ... >>

New method for creating powerful batteries 08.05.2024

With the development of technology and the expanding use of electronics, the issue of creating efficient and safe energy sources is becoming increasingly urgent. Researchers at the University of Queensland have unveiled a new approach to creating high-power zinc-based batteries that could change the landscape of the energy industry. One of the main problems with traditional water-based rechargeable batteries was their low voltage, which limited their use in modern devices. But thanks to a new method developed by scientists, this drawback has been successfully overcome. As part of their research, scientists turned to a special organic compound - catechol. It turned out to be an important component that can improve battery stability and increase its efficiency. This approach has led to a significant increase in the voltage of zinc-ion batteries, making them more competitive. According to scientists, such batteries have several advantages. They have b ... >>

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, ... >>

Random news from the Archive

Capturing methane from the air with zeolites 14.01.2022

Researchers at the Massachusetts Institute of Technology (MIT) have found that zeolites - porous mineral structures often used as commercial adsorbents - are able to absorb and recycle methane (CH4) from the air. This effect is manifested when they are processed with copper. The scientists' work is published in ACS Environment Au.

In a lab experiment, experts placed zeolite particles in a reaction tube and passed air containing varying concentrations of methane through it. Gas levels ranged from 2 ppm to 2%. And the reaction tube was heated to various temperatures.

When heated to 310 degrees Celsius, the zeolite was able to capture and convert 2% of the methane into carbon dioxide (CO100). The process is possible even at low CH4 concentrations and much lower temperatures than are required for other methane capture methods.

At first glance, turning one greenhouse gas into another is not ideal. But the researchers calculated that converting half of atmospheric methane would add only about 0,2% to atmospheric CO2 and result in a 16% reduction in radiative warming. Methane is a much more powerful greenhouse gas than carbon dioxide. It is emitted in large quantities as a result of agricultural activities, coal mining, permafrost thawing, as well as during the processing and transportation of natural gas. Compared to carbon dioxide, methane heats the Earth 81 times more. Therefore, its removal will reduce the short-term negative impact on the climate.

However, the MIT team will have to figure out how to scale up their methane removal method to make air flow more efficiently through the material. Potentially, the first field experiments can be carried out in coal mines and barns, using existing air circulation systems. In addition, clay containing zeolites is so cheap that it is used to make cat litter.

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