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Created an LED that can be integrated into computer chips Created an LED that can be integrated into computer chips

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Created an LED that can be integrated into computer chips

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Researchers at the Massachusetts Institute of Technology have developed an efficient silicon LED, pictured here, that can be integrated directly into computer chips. Advances could reduce costs and improve performance in microelectronics using LEDs as sensors.

Smartphones, for example, can use an LED proximity sensor to determine if you’re holding the phone close to your face (in which case the screen turns off). LEDs are also handy for distance measurement in autofocus cameras and gesture recognition.

The development of these technologies was held back by one problem: LEDs are difficult to make from silicon. This means that LED sensors have to be manufactured separately from the microcircuit and then mounted on it, which is not a cheap pleasure. Researchers at MIT have been able to in the laboratory fabricate a silicon chip with fully integrated LEDs, bright enough to use the most advanced sensing and communication technologies. It is pointed out that this progress will lead to significant performance gains and lower costs for nanoscale electronics.

Source: mit

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Laptops

Slim metal body, OLED 4K screen and Dolby Vision support. In three days, Xiaomi will present its best laptop

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Slim metal body OLED 4K screen and Dolby Vision support

On July 4, Xiaomi will present not only Xiaomi 12S smartphones, which have already caused a serious stir in China, but also the Mi Notebook Pro 2022 laptop. Its feature will be the screen.

Slim metal body, OLED 4K screen and Dolby Vision support.  In three days, Xiaomi will present its best laptop

Xiaomi already had laptop models with 3.5K resolution displays, but the Mi Notebook Pro 2022 will get a 4K screen. And it will be an OLED panel, not an IPS one. Thus, in terms of display, Mi Notebook Pro 2022 will not only be the best Xiaomi laptop, but also better than most analogues on the market.

Slim metal body, OLED 4K screen and Dolby Vision support.  In three days, Xiaomi will present its best laptop

Slim metal body, OLED 4K screen and Dolby Vision support.  In three days, Xiaomi will present its best laptop

Also, the novelty is credited with support for Dolby Vision technology. The case will be all-metal and very thin – the thickness will be only 14.9 mm. The teaser picture indicates the presence of at least one USB-C port, but there will most likely be two.

There are no other technical details about the Mi Notebook Pro 2022, but Chinese sources believe that the laptops in the line will use the latest Intel and AMD CPUs – Core 12 (Alder Lake) and AMD Ryzen 6000.

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Phones

Charge your smartphone halfway in 4 minutes. Infinix 180W Thunder Charge ultra-fast charging introduced

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Charge your smartphone halfway in 4 minutes Infinix 180W Thunder

The growing company Infinix decided to compete with the giants of the market for ultra-fast charges and introduced the 180W Thunder Charge.

Charge your smartphone halfway in 4 minutes.  Infinix 180W Thunder Charge ultra-fast charging introduced

As the name suggests, this is 180W fast charging technology. Unlike Ultra Fast Charge 160W technology, which was just a concept, 180-watt charging will appear in the company’s smartphones, and already at the end of this year. It will debut in a flagship smartphone, but there are no details about it yet.

Infinix says this technology will allow a 4,500 mAh battery to be charged up to 50% in 4 minutes. How much will be needed for a full charge, the company does not say, but you should not multiply the indicated time by two.

Since we are talking about huge power for a mobile device, 180W Thunder Charge technology has received 111 software and hardware security mechanisms that monitor many different indicators, including temperature, voltage, electromagnetic interference, and so on.

It also implies the presence of 20 temperature sensors that will monitor the temperature of the battery, USB-C port, converters, and so on. The system will focus on keeping the temperature below 43 degrees.

Also Infinix will use special cables with identification chips. Only with such a cable will ultra-fast charging be activated. In the case of other cables, charging will still be fast: 60 or 100 watts.

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The future is here: a prototype of augmented reality contact lenses has already been tested

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The future is here a prototype of augmented reality contact

The company Mojo Vision recently spoke about its new development – contact lenses with augmented reality. They were tested by the head of the company, Drew Perkins. With the help of lenses, he was able to navigate in space, looked at images and even read text from a virtual teleprompter.

The future is here: a prototype of augmented reality contact lenses has already been tested

The current prototype is equipped with a MicroLED screen with a resolution of 250 by 250 pixels, its diameter is only 0.5 mm. The lenses receive a signal at a frequency of 5 GHz and work on the basis of a very small processor with Arm architecture. This allows them to overlay digital objects on top of the real world image.

The future is here: a prototype of augmented reality contact lenses has already been tested

The prototype already knows how to track the direction of view so that virtual objects always remain in view. Extremely small batteries are used for power, but it is not yet known how much they last.

The future is here: a prototype of augmented reality contact lenses has already been tested

So far, Mojo Vision plans to continue testing and clinical trials. In the future, lenses will enter the market, and their price will be at the level of flagship smartphones.

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