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Xiaomi gadget for smartphone disinfection

22.03.2020

Xiaomi has introduced a gadget for sterilizing and disinfecting smartphones and other small items, which has become available for order. At the pre-order stage, the device is offered for $69. After the release, the price will increase to $91.

The developers claim that the procedure takes only 30 seconds, while the efficiency of the device is 99,99%. Of course, the gadget also kills the new coronavirus, which everyone is talking about today.

All you have to do is unzip your bag, place your smartphone or other small item inside, close the zipper and press the power button.

The manufacturer claims that this gadget is absolutely safe, since it does not leave any chemicals as a result of its operation. A full charge of the device takes 3 hours, after which 70 cleanings can be carried out. This device is more effective than antibacterial wipes, as it allows you to clean connectors, buttons and other hard-to-reach places.

The bag fits a variety of smartphones from Xiaomi, Huawei, Honor, Samsung, iPhone, Oppo and other manufacturers.

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Latest news of science and technology, new electronics:

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Random news from the Archive

Invisible sensors that do not distort the magnetic fields they measure 03.05.2018

Almost all magnetic field sensors used in modern computers, cars, aircraft and other systems introduce significant distortions in the magnetic fields they measure. These distortions can be a big problem in some applications, such as medical or scientific equipment that makes ultra-high-precision measurements. In addition, introduced distortions can cause crosstalk in systems that use many different types of sensors.

Scientists from the Autonomous University of Barcelona, ​​Barcelona, ​​​​Spain, managed to find a solution to the problem described above. The sensors they have created are "invisible" from a magnetic point of view, in other words, these sensors do not introduce any distortion into magnetic fields, but will allow measurements of these fields.

"This is the first magnetic 'invisible sensor' of its kind," says Rosa Mach-Batlle.

The base mass of magnetic field sensors is made on the basis of ferromagnetic materials, which act as amplifiers for the signals being picked up. However, the flip side of this coin is that ferromagnetic materials distort the shape and strength of the magnetic field. Earlier attempts were made to make an "invisible" magnetic sensor by dressing the ferromagnetic active element of this sensor in a kind of magnetic "invisibility cloak". However, this approach completely isolated the sensor from the magnetic field, depriving it of the ability to make measurements.

The basis of the new stealth sensor is a spherical magnetic shell, the shape of which compensates and isolates the magnetic field distortions introduced by the sensitive element of this sensor located inside. In this shell, a mass of thin gaps is created through which the external magnetic field reaches the sensitive element, allowing it to make measurements. The maximum degree of "invisibility" of this sensor occurs if the measured magnetic field is uniform and the inner sensitive element of the sensor also has a spherical shape.

The spherical shell that surrounds the sensor must have magnetic properties that no naturally occurring material has. These properties were imparted to the shell by making it from a material with an artificial complex structure, the so-called metamaterial, which is based on a high-temperature superconducting material.

In their further research, the scientists plan to use such solutions to create a highly efficient magnetic invisibility cloak. This, in turn, can be used to create devices that must operate in the presence of strong alternating magnetic fields, or devices that make it possible to give magnetic fields a given complex shape.

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