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Data transmission over the air using lasers. Alphabet launched a new project Taara

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Subdivision of holding Alphabet with the laconic name X, which was previously known as X Lab, has revealed details of a new experimental project – Taara.

Taara is a project exploring medium-range wireless transmission as an alternative to fiber.

The project appeared as an offshoot of Project Loon. The latter, we recall, was closed this year. But for the transmission of data between stratospheric balls, the technology of wireless optical communication FSOC (Free Space Optical Communications) was developed. And now Alphabet specialists are working on adapting it for use on the ground, and not in the air.

In fact, a laser is used for data transmission. Technical details have not yet been disclosed, but it is reported that with line of sight, data transmission within one channel is possible at a distance of about 20 km. At the same time, the speed can reach 20 Gbps, and in the future the speed can be increased to 100 Gbps. As part of testing in India and Africa, the project specialists managed to transfer more than 700 TB of data over a distance of 5 km. To achieve the same efficiency, more than 400 km of fiber would have to be laid on site.

At the same time, despite the fact that the Taara project itself has just emerged, within the framework of the state initiative AP State FiberNet, the authorities of the Indian state of Andhra Pradesh are going to deploy two thousand FSOC channels.

In general, Taara looks like a promising project for developing countries with a low level of Internet accessibility. FSOC technology implies a cheaper and simpler way of implementation, although it has a limitation in the form of distance.

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Phones

Goodbye 100 MP. Redmi K60 smartphones will receive a 50-megapixel sensor as part of the main camera

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Goodbye 100 MP Redmi K60 smartphones will receive a 50

An insider, known on the Web under the nickname Digital Chat Station, published details about the camera of Redmi K60 smartphones. According to the leaker, the devices in the series will “upgrade” to a 50-megapixel sensor. It sounds like a downgrade in words, but in fact, the 50-megapixel sensor should provide higher quality photos and videos compared to the current 100-megapixel sensors.

Goodbye 100 MP.  Redmi K60 smartphones will receive a 50-megapixel sensor as part of the main camera

The 100-megapixel sensor used in Redmi K50 Pro will be a thing of the past

What kind of sensor in question is not reported. Possible options are Sony IMX766 or Sony IMX707. The first is used in Xiaomi 12 (and in many other flagships of the current year), the second is used in Xiaomi 12 Pro. At the same time, this may be the only innovation of the Redmi K60 camera: the rest of the low-resolution sensors (8 and 2 megapixels) will remain, and there will most likely be no telephoto lens.

Digital Chat Station was previously the first to accurately announce the specifications and release dates of Redmi K30, K40, Xiaomi Mi 10 and Mi 11.

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Gaming

Not long to wait: consoles Aya Neo 2 and Aya Neo Geek will be released in December

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Not long to wait consoles Aya Neo 2 and Aya

Chinese handheld game console manufacturer Aya Neo has announced that the first models based on the AMD Ryzen 7 6800U processor and Radeon 680M graphics will go on sale in December.

Not long to wait: consoles Aya Neo 2 and Aya Neo Geek will be released in December

Two models are expected to be released at once: Aya Neo 2 and Aya Neo Geek. The first version will receive 16/32 GB of RAM and from 512 GB to 2 TB of permanent memory. In all cases, there will be 7-inch 1200p screens. Declared support for Windows 11 and Aya Neo OS based on Linux. Prices start at $949 for pre-orders. Retail prices start at $999. The maximum price for pre-order will be $1199, retail – $1499.

The second Geek model is positioned as more affordable. It has the same processor, but the most basic version will get an 800p screen. It will have 16 GB of RAM and 512 GB of storage. The maximum version with a 1200p screen, 32 GB of RAM and 2 TB of permanent storage will cost $1149/$1369.

Not long to wait: consoles Aya Neo 2 and Aya Neo Geek will be released in December

Both devices have fingerprint sensors, gyroscopes, vibration motors and analog sticks. However, the more premium Neo 2 line has LPDDR5-6400 RAM and PCIe 4.0 drives, while the Geek has PCIe 3.0. But support for Wi-Fi 6 and Bluetooth 5.2 is available for all versions. Separately, we note that all models are equipped with 3.5 mm connectors, as well as high-speed USB4 ports with support for external graphics cards.

Also previously reported about the imminent release of the OneXfly console from One Netbook.

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Chinese scientists have created a biomedical robot from “liquid metal”

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Chinese scientists have created a biomedical robot from liquid metal

Scientists from Soochow University have created a microscopic robot that can break up into drops and then reassemble. The work was published in the journal Science Advances.

Chinese scientists have created a biomedical robot from

The human body is full of winding narrow passages that are too tight for normal robots. The microrobot created by scientists is potentially useful for delivering drugs – in difficult places it can break up into smaller components, and then assemble back. At the same time, there is no need to reduce the payload that it can carry.

The robot consists of a ferrofluid – a suspension of iron oxide and hydrocarbon oil. You can control it with the help of spherical magnets, passing it through the narrow passages in the body. To demonstrate the potential utility of the robot, the researchers built a maze with large and narrow sections and then successfully navigated it to the end of the maze.

The main obstacle to the use of the invention for biomedical purposes may be the inaccessibility for clinics of magnetic control systems, which must be powerful enough to penetrate human tissue.

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