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Tweezers that destroy dangerous bacteria

15.05.2021

Researchers at Ben-Gurion University (BGU), Israel, along with American and German colleagues, have developed a new "molecular tweezer" to fight antibiotic-resistant bacteria.

"Our discovery prevents infection without increasing antibiotic resistance. It may be worth considering our approach as the basis for treatment without the use of antibiotics," says BGU Chemistry Professor Raz Jelinek.

A research team led by Prof. Jelinek and his student Dr. Ravit Malishev tested their molecular tweezers on Staphylococcus aureus bacteria. It targets the biofilm, a thin layer of fibers that protects bacteria. Capturing fibers and destroying the protective layer, the tweezers destroy bacteria without affecting them directly. This prevents the formation of stability.

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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

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, ... >>

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Ultra High Density LightStack 4U Fiber Optic System 30.06.2015

Siemon, a global network infrastructure company, has launched a 4U version of the LightStack Ultra High Density Fiber Optic System. The system chassis accommodates 576 LC fibers or 3456 MTP fibers in just 4U of rack space while providing full port availability, cable management, and a fast, seamless transition to today's 40 and 100 Gbps speeds.

All in all, Siemon's version of the LightStack 4U LightHouse is an innovative rack-mounted enclosure. Its horizontal cable routes combine traditional and single tube jumpers, and feature easy-to-open flip-out organizers for full access. Rotating tie-down points on the back of the chassis maintain proper bend radius, and pull-out trays provide all-round access. Modules slide in or out easily from the front or rear of the chassis, and the aesthetic easy-to-open magnetic door eliminates hotspots and features clear, drop-down labeling.

"The latest 4U version simplifies installation in high fiber environments with support for four times the density in a single chassis and LightStack features that will help data centers overcome current and future cabling challenges," said Charlie Maynard, Fiber Optic Manager. Siemon global headquarters products.

LightStack ultra-high-density fiber system includes ultra-slim, low-loss 0,35 dB LightStack LC-MTP modules, 0,2 and 40 Gb/s ready MTP pass-through adapters, and 100-fiber LC pass-through adapter plates for existing 12 Gigabit Ethernet SANs or fiber optic SANs. The system also includes trunk cables, including MTP trunk cables and LC-MTP hybrid trunk cables, available in a variety of lengths to connect active equipment for interconnect or cross-connect.

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