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Large chain of stores Walmart in the United States abandoned robots and brought people back

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US retail giant Walmart has stopped using mobile robots in its chain stores to inventory items. For years, the company has sought to automate these tasks using huge machines, but the coronavirus pandemic has forced people back, as paradoxical as it may sound.

Walmart has ended its partnership with the robotics company Bossa Nova Robotics Inc., which it has worked with for the past five years, gradually adding robots almost 2 meters high for inventory control. In recent years, Walmart has made robotization a major topic at press conferences and investor meetings in the hopes that technology and automation will help lower labor costs and increase sales. However, it turns out that humans can do the same and just as effectively, providing similar results.

During the pandemic, the company discovered an easier way to track items in stores. The fact is that buyers, due to fears about COVID-19, have become more likely to choose online delivery and pickup. Walmart now has more employees who have begun walking down the aisles, collecting online orders while noting shortages of certain items. Therefore, the company decided to employ these workers to track the quantity and location of products. In addition, the sources also said that Walmart executives are concerned about the reaction of some shoppers to the robots that constantly ply between the aisles in stores.

Well work more a large chain of stores in the

This is how the Bossa Nova robot works

Walmart said in January that Bossa Nova robots will appear in about 1,000 of the 4,700 U.S. stores. The company called them human helpers, comparing them to the R2-D2 robots from Star Wars. Ultimately, the trading giant only equipped 500 stores with these machines, but continues to use other robots for simpler tasks.

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In the United States created a refrigerator for third world countries that does not require food

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In the United States created a refrigerator for third world

Engineers have created a cooling device that does not require electricity to operate. An article about this was published in Cell Reports Physical Science.

In the United States created a refrigerator for third world countries that does not require food

The device was invented by scientists at the Massachusetts Institute of Technology. Outwardly, it looks like a thick pizza box wrapped in foil. The “box” is made of three layers of material. At the bottom is a reflective foil, in the middle is a porous material based on hydrogel with a large proportion of water, on top is airgel, a very light material, 99% air. When heated, water evaporates from the hydrogel, cooling it, and enters the airgel, where it is additionally cooled by infrared radiation. In addition, the airgel cap serves as an insulator and reflects light as well as the bottom layer.

The device must be placed above what needs to be cooled. It can reduce the temperature of an object by 10 degrees compared to the environment. According to the developers, the system is able to increase the shelf life of food products by 40% in conditions of high humidity, or three times if it is hot and dry outside. First of all, such a refrigerator is in demand in hot third world countries, where there are problems with electricity.

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Xiaomi’s first 200 megapixels. Xiaomi 12T and Xiaomi 12T Pro pose in quality renders from a reliable source

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Xiaomis first 200 megapixels Xiaomi 12T and Xiaomi 12T Pro

Soon Xiaomi will introduce new flagships for the global market – Xiaomi 12T and Xiaomi 12T Pro. When exactly the premiere will take place is not reported, but insider Evan Blass has already published high-quality renderings of both models.

Xiaomi's first 200 megapixels.  Xiaomi 12T and Xiaomi 12T Pro pose in quality renders from a reliable source

There are no external differences between them – only the inscriptions in the camera blocks are different: 108 MP for Xiaomi 12T and 200 MP for Xiaomi 12T Pro. Both models are expected to have 6.67-inch AMOLED screens with a resolution of 2712 x 1220 pixels, and screen protection will be provided by tempered glass Gorilla Glass 5. Xiaomi 12T Pro will be based on Snapdragon 8 Plus Gen 1 SoC, Xiaomi 12T hardware platform – MediaTek Dimensity 8100. The devices are also credited with 5000 mAh batteries with support for 120 W fast charging.

Xiaomi's first 200 megapixels.  Xiaomi 12T and Xiaomi 12T Pro pose in quality renders from a reliable source

Xiaomi's first 200 megapixels.  Xiaomi 12T and Xiaomi 12T Pro pose in quality renders from a reliable source

Evan Blass has previously been noted for many truthful leaks. So, at one time he published exact images of the Sony Xperia 5 II, Galaxy Note20, Galaxy Z Fold 2, Galaxy Tab S7, Galaxy Watch 3 and Samsung Galaxy Buds Live, Xiaomi 12 before their official premiere.

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Scientists set a record by cooling matter to 220 microkelvins

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Scientists set a record by cooling matter to 220 microkelvins

Physicists set a record by cooling matter to the lowest temperature in history. An article about this was published in Physical Review Research.

Scientists set a record by cooling matter to 220 microkelvins

The behavior of matter at temperatures close to absolute zero is very different from what people are used to. Some substances pass into a superconducting or superfluid state, and at extremely low temperatures, the quantum properties of elementary particles appear, which can be used for calculations.

Physicists at the University of Basel have cooled a tiny copper circuit on a silicon chip to 220 microkelvins, the lowest temperature ever achieved in such experiments. This was achieved using a cryostat and a magnetic field: the spins of the copper atoms in the chip were aligned, due to which they cooled more strongly.

In the future, scientists hope to cool quantum processors and conventional semiconductor electronic components using this technology.

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