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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

Exciton transistor 21.07.2008

US scientists want to directly convert an electrical signal into light.

"In microelectronics, there is one unpleasant contradiction: calculations are carried out using electrons, and signals are transmitted over long distances using photons. A lot of time and energy are spent on the corresponding transformations. We tried to eliminate this contradiction," says Leonid Batov from the University of California at San Francisco. Diego. To do this, they created an exciton transistor.

An exciton is a quasiparticle that consists of an electron and a hole bound together. Such quasiparticles can be created, for example, in gallium arsenide cooled to 40K by shining a laser with a certain wavelength on it. An exciton does not live long and, when decaying, gives up the energy stored in it in the form of a quantum of light.

Physicists led by Batov have learned not only to create excitons, but also to lock them with the help of an electric field in quantum walls. And you can release excitons by changing the voltage on the electrodes of the microcircuit. Thus, the whole device works like a real transistor, where the electrons move or do not move depending on what voltage is applied to the control electrode. Here, they actually control the movement of photons, into which excitons turn, as soon as they leave the quantum wall.

If it is possible to raise the operating temperature of the semiconductor, such a device will find wide application for the rapid exchange of information between computers, as well as between microcircuits, which in this case will have to be connected not by electric wires, but by optical fibers.

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