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The voice of a nearby monster NASA turned the light The voice of a nearby monster NASA turned the light

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The voice of a nearby monster: NASA turned the light “echo” of a black hole into sound

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One of the amazing features of black holes is that light and radio emission cannot escape from it. However, the surrounding material may emit electromagnetic radiation that can be detected. And now NASA was able to detect such radiation from the star system V404 Cygnus, where there is a black hole. After that, the researchers translated the electromagnetic radiation into sound, which made it possible to “hear” the voice of the black hole.

The voice of a nearby monster NASA turned the light

This system is about 7,800 light-years from Earth, and the black hole is sucking matter and energy from a nearby star. The beat data was obtained from the Chandra X-ray Observatory and the Neil Gerels Swift Observatory. The data of the first is represented by high-frequency sounds, the second – by lower ones. You can watch the video with sound below.

The V404 Cygnus system itself is dual. It contains a black hole with a mass of about 12 solar masses and a star of spectral type G or K. Due to the close proximity of the two to each other, the black hole pulls mass from the star.

V404 Cygnus is considered a variable star, meaning its brightness changes over time. In 1938, 1956 and 1989, it produced powerful bursts of energy, and the system also generates bursts of X-rays.

This is not the first video of its kind. Earlier, NASA published a recording of the eerie sound of a black hole. It is located at a distance of 200 million light years from Earth. The black hole from V404 Cygnus sounds different.

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Phones

$170 ZTE Blade V40 spotted in Bangladesh

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170 ZTE Blade V40 spotted in Bangladesh

The ZTE V40 family of smartphones will soon be replenished with the Blade V40 model – it has already lit up in Bangladesh, and immediately with a price: a version with 4 GB of RAM (expandable by 2 GB) and 128 GB of flash memory is estimated at the equivalent of $ 170.

$170 ZTE Blade V40 spotted in Bangladesh

The Blade V40 hardware platform is based on a 12nm Unisoc Tiger T616 single-chip system with 2 Cortex-A75 cores and 6 Cortex-A55 cores. OS – Android 12 with MyOS 12 interface.

$170 ZTE Blade V40 spotted in Bangladesh

$170 ZTE Blade V40 spotted in Bangladesh

The configuration of the device is a triple main camera (with a main sensor with a resolution of 50 megapixels), a 6.6-inch IPS screen and a 4500 mAh battery. A full premiere of the device is expected in early February.

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Tablets

7000 mAh, 8/128 GB, 8 MP and stereo speakers for $155. Teclast M40 Pro 2023 tablet introduced

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7000 mAh 8128 GB 8 MP and stereo speakers for

The M40 Pro 2023 has been added to the Teclast tablet range. This is an inexpensive tablet without LTE support, but it has become more powerful and faster than its predecessor.

7000 mAh, 8/128 GB, 8 MP and stereo speakers for $155.  Teclast M40 Pro 2023 tablet introduced

Teclast M40 Pro 2023 is based on the Unisoc Tiger T616 single-chip platform. The diagonal of the IPS screen was 10.1 inches, the resolution is 1920 x 1200 pixels. There is only one memory configuration – with 8 GB of RAM and 128 GB of UFS 2.1 flash memory.

7000 mAh, 8/128 GB, 8 MP and stereo speakers for $155.  Teclast M40 Pro 2023 tablet introduced

The equipment of the device also included a rechargeable battery with a capacity of 7000 mAh (autonomy – 8 hours when playing video), a front camera with a resolution of 5 megapixels, a main camera with a resolution of 8 megapixels and stereo speakers. The cost of new items in the home market is $ 155.

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Laptops

A laptop with a 16-inch OLED 4K screen and weighing only 1.17 kg. Acer Legendary Edge introduced in Japan

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A laptop with a 16 inch OLED 4K screen and weighing

Acer has launched the notable Legendary Edge laptop in the Japanese market. Its peculiarity is in a thin body, the minimum weight for the class and the presence of an OLED screen. Moreover, the display resolution is 4K. The aspect ratio of the screen is 16:10, the maximum brightness is 500 cd/sq.m.

A laptop with a 16-inch OLED 4K screen and weighing only 1.17 kg.  Acer Legendary Edge introduced in Japan

In general, Acer Legendary Edge has been sold in China since last year, but in the version for Japan it has a different processor – instead of the “Chinese” Ryzen 7 6800U, Ryzen 7 Pro 6850U is installed. Otherwise, there are no changes in the hardware platform: the laptop is endowed with 16 GB of LPDDR5-6400 RAM and a 512 GB PCIe 4.0 SSD. Moreover, there are two slots for SSD in the laptop.

A laptop with a 16-inch OLED 4K screen and weighing only 1.17 kg.  Acer Legendary Edge introduced in Japan

Acer Legendary Edge is made in the body of magnesium alloy and aluminum, the thickness of the device is 12.95 mm, weight – 1.17 kg. Interestingly, the same mass is attributed to the base Samsung Galaxy Book3 Ultra – also 16-inch and also with an OLED screen, but with much more powerful components.

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