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Candies that restore tooth enamel

06.06.2023

American scientists from the University of Washington have developed lozenges that support and restore tooth enamel. The drug has already been tested on rats and extracted teeth from humans and pigs.

Mint flavored lollipops are based on a genetically engineered peptide derived from the protein amelogenin. Amelogenin is a key protein in the formation of enamel and tooth crown.

The peptide, which will be contained in the candy, will connect to the dentin - the layer of the tooth that is located under the enamel. Thus, a new layer of enamel will be created.

Scientists predict that to maintain the strength of tooth enamel, it will be enough to use one lozenge a day, and two will already help restore damaged enamel.

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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

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Energy from space for Starship 08.05.2024

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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, ... >>

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A camera that works like the retina of the human eye 25.05.2023

Engineers at the University of Pennsylvania have developed a camera that works like the retina of the human eye. Three types of photoreceptors imitate the retina of the eye, and an artificial neural network processes the resulting images.

The basis of the device is a matrix of sensors from narrow-band perovskite photodetectors that imitate the cones of the retina. The matrix is ​​connected to a neuromorphic algorithm that mimics a neural network to process information and obtain images with high accuracy.

The researchers believe that a new kind of sensor can be used as an alternative to filters in modern cameras. Silicon sensors are sensitive to all parts of the spectrum, so light filters are installed in front of them, which pass only certain waves, but reduce the clarity and sensitivity of the camera.

"We borrowed design from nature - our retinas contain cones that are sensitive to red, green and blue light, and a neural network that starts processing what we see before the information is transmitted to our brain. This natural process creates bright world that we can see," explained co-inventor Kai Wang.

In addition, the technology opens up the possibility of creating an artificial retina for people with visual impairments. Since perovskite cells produce electricity under the influence of photons of light, such a surface does not require an additional power source and can function autonomously.

Recall - in early March, the startup Prophesee, which produces chips for cameras, announced a long-term cooperation with Qualcomm. The main goal of the collaboration is to improve the performance of smartphone cameras using Prophesee chips. The technology behind the Prophesee chips is inspired by how the human eye works. The camera in a smartphone, according to the logic of human vision, will highlight certain accents - moving and stationary objects, the angle of light, etc.

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