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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 ... >>

Random news from the Archive Batteries with solid Li-S electrolyte are 4 times better than Li-ion batteries 13.06.2013 Researchers at Oak Ridge National Laboratory (ORNL) have developed a promising new battery design based on a solid electrolyte containing lithium and sulfur (Li-S). These batteries are cheaper to manufacture and have a higher stored energy density than traditional lithium-ion batteries. Due to the use of solid electrolyte, Li-S batteries are more durable and much safer to use than liquid electrolyte batteries. Li-S batteries are considered by some experts as the successor to lithium-ion batteries. They are extremely light, which makes them suitable for solar-powered flights, they are cheap to manufacture, quite durable and show a high energy density index. But, unfortunately, this technology is still quite "raw" and its main problem is the problem of a suitable electrolyte, the optimal composition of which has not yet been found. In previous attempts to create Li-S batteries, researchers used liquid electrolytes. But the use of liquid electrolyte is a coin with two sides, on the one hand, the liquid filled with ions is an excellent conductor of electric current, but on the other hand, the liquid electrolyte degrades over time and with an increase in the number of charge-discharge cycles, which leads to premature battery failure. building. In addition, some liquid electrolytes are flammable, which is a problem in battery operation. But now, according to the researchers, they have managed to find a solution to the above problems, which was the composition of the solid electrolyte, the basis of which was the combination of lithium and polysulfide phosphates - sulfur-rich materials with high electrical conductivity. "Our solid Li-S technology eliminates most of the disadvantages of wet batteries," says Dr. Chengdu Liang. "Prototype Li-S batteries can withstand without degradation a large number of cycles without losing capacity, like lithium-ion batteries." Prototypes of Li-S-batteries after 300 charge / discharge cycles carried out at a temperature of 60 degrees Celsius retained a specific density of 1200 mAh / g. For comparison, Li-ion batteries are 140-170 mAh/g, but Li-S batteries produce half the voltage that Li-ion batteries produce. Therefore, an eightfold increase in energy density actually results in a fourfold increase in battery capacity. The Li-S battery uses sulfur, which is obtained in large quantities as a by-product of oil refining. This will make it possible to use the developed technology as one of the ways to dispose of industrial waste that accumulates in large quantities. Currently, a new technology for the production of Li-S batteries is in a form that is not very suitable for its practical implementation. But Dr. Liang and his group have filed a patent application and, once the patent is filed, they plan to develop the technology to the required level, which will allow them to mass-produce new batteries.

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