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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 Analog quantum simulators 13.02.2023 Classical computers are not suitable for solving new fundamental problems in the field of physics and beyond. In the future, universal and error-tolerant quantum computers can help scientists with this, but such will not appear soon. However, if the problem cannot be calculated, then why not do experiments? An analog quantum simulator can become a constructor of the quantum world, which will help to reveal the most mysterious physics beyond theory. Researchers from Stanford University in the United States and University College Dublin (UCD) in Ireland published a paper in the journal Nature Physics in which they talked about creating a new type of highly specialized analog computer (more precisely, a simulator). Scientists have presented one element of such a "computer" - two specially connected nano-sized metal-semiconductor components built into an electronic circuit. The proposed solution imitates the interaction of two elementary particles, in this case, atoms and electrons. The simulation is so deep that the model retains all the quantum properties of atoms from interatomic interaction to the physical properties of particles. By scaling the platform - building matter atom to atom, like a constructor from Lego blocks - one can achieve the modeling of matter with the given properties and look at its reaction when interacting with other matter and at changing its properties. It is not possible today to calculate this on a large-scale model, and such a simulation is on the shoulder. For example, theoretical physicists do not yet see patterns for a targeted search for materials for high-temperature superconductivity. Modern computers cannot help them in their calculations, especially since they have to search blindly. Modeling the behavior of matter on analog quantum simulators could open the way to this holy grail for energy and beyond. This will put the theory aside and test many ideas in practice. Actually, analog quantum simulators of a new type can help in moving towards universal quantum computers. For example, there is an idea to use such quasiparticles as parafermions (groups of electrons with a special interaction) as qubits. The charges of electrons in this state (Z3) are equal to 1/3 of the usual charge. In laboratory conditions, scientists have not yet created such particles, and the proposed simulator model made it possible to simulate them after appropriately adjusting the voltage on the electrodes. In fact, scientists in the laboratory created matter that did not exist in nature before. And after all it can be studied after that! “By scaling up a quantum simulator from two to many nanoscale components, we hope to be able to simulate much more complex systems that modern computers cannot handle,” said one of the authors of the work. “This could be the first step towards finally unraveling some of the most enigmatic mysteries of our quantum universe."

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