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Hybrid electric boost

04.08.2018

The Italian company Ferrari has registered with the European Patent Office an application for an electrically supercharged internal combustion engine of a rather unusual design.

Electric supercharging is currently used in some Audi and Mercedes-Benz engines, but only in combination with a traditional turbocharger. The Italians, on the other hand, came up with a completely new design, the analogues of which still do not exist. A turbine wheel is built into the exhaust path of this motor, but it does not have a mechanical connection with the compressor and rotates only a generator that generates electricity.

The electricity is stored in the battery and used both to drive the traction motor that turns the car's wheels and to power the electrically driven turbocharger that pumps air into the engine.

Ferrari hopes in such an extraordinary way, if possible, to reduce the delays traditional for conventional turbines in response to pressing the gas pedal.

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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, ... >>

Major risk factor for gambling addiction 07.05.2024

Computer games are becoming an increasingly popular form of entertainment among teenagers, but the associated risk of gaming addiction remains a significant problem. American scientists conducted a study to determine the main factors contributing to this addiction and offer recommendations for its prevention. Over the course of six years, 385 teenagers were followed to find out what factors may predispose them to gambling addiction. The results showed that 90% of study participants were not at risk of addiction, while 10% became gambling addicts. It turned out that the key factor in the onset of gambling addiction is a low level of prosocial behavior. Teenagers with a low level of prosocial behavior do not show interest in the help and support of others, which can lead to a loss of contact with the real world and a deepening dependence on virtual reality offered by computer games. Based on these results, scientists ... >>

Traffic noise delays the growth of chicks 06.05.2024

The sounds that surround us in modern cities are becoming increasingly piercing. However, few people think about how this noise affects the animal world, especially such delicate creatures as chicks that have not yet hatched from their eggs. Recent research is shedding light on this issue, indicating serious consequences for their development and survival. Scientists have found that exposure of zebra diamondback chicks to traffic noise can cause serious disruption to their development. Experiments have shown that noise pollution can significantly delay their hatching, and those chicks that do emerge face a number of health-promoting problems. The researchers also found that the negative effects of noise pollution extend into the adult birds. Reduced chances of reproduction and decreased fertility indicate the long-term effects that traffic noise has on wildlife. The study results highlight the need ... >>

Wireless speaker Samsung Music Frame HW-LS60D 06.05.2024

In the world of modern audio technology, manufacturers strive not only for impeccable sound quality, but also for combining functionality with aesthetics. One of the latest innovative steps in this direction is the new Samsung Music Frame HW-LS60D wireless speaker system, presented at the 2024 World of Samsung event. The Samsung HW-LS60D is more than just a speaker system, it's the art of frame-style sound. The combination of a 6-speaker system with Dolby Atmos support and a stylish photo frame design makes this product the perfect addition to any interior. The new Samsung Music Frame features advanced technologies including Adaptive Audio that delivers clear dialogue at any volume level, and automatic room optimization for rich audio reproduction. With support for Spotify, Tidal Hi-Fi and Bluetooth 5.2 connections, as well as smart assistant integration, this speaker is ready to satisfy your ... >>

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The modern world of science and technology is developing rapidly, and every day new methods and technologies appear that open up new prospects for us in various fields. One such innovation is the development by German scientists of a new way to control optical signals, which could lead to significant progress in the field of photonics. Recent research has allowed German scientists to create a tunable waveplate inside a fused silica waveguide. This method, based on the use of a liquid crystal layer, allows one to effectively change the polarization of light passing through a waveguide. This technological breakthrough opens up new prospects for the development of compact and efficient photonic devices capable of processing large volumes of data. The electro-optical control of polarization provided by the new method could provide the basis for a new class of integrated photonic devices. This opens up great opportunities for ... >>

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Ocean floor cleaning robots 07.09.2020

We have all seen the scary pictures of the huge amount of debris on the surface of the oceans. Experts say that there is much more waste on the seabed. To solve this problem, the SeaClear project, funded by the European Union, is developing underwater robots that will clean up garbage autonomously.

The system will consist of four robotic vehicles: an aerial drone, two underwater remotely operated robots (ROVs) and an unmanned vessel that will serve as a "mother ship". Through special cables, the vessel will supply power to two ROVs.

It is planned that the system will initially be deployed in coastal areas, since it is in these places that most of the underwater debris that enters the seas through rivers.

Special modules based on artificial intelligence will be built into the ROV. So the robot will be able to distinguish garbage from marine animals, plants and corals. The system will perform its work in two stages. First, an aerial drone and one of the robots will look for debris on the surface of the water and in the water column, experts say that if debris is present in both of these areas, then it is likely that they are present in abundance on the seabed.

Having found pollution, the second robot will sink to the bottom and collect debris using a suction device. After the ROV returns to the surface, the debris from its container will be disposed of.

The prototype SeaClear has already been tested this spring at depths of 20 to 30 meters in the port of Hamburg and along the coast of Dubrovnik. These places were chosen because they are very different from each other. The port is busy, industrial and has muddy waters, while the Croatian coast is much calmer with clear waters and tourist oriented.

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