Hi-tech News

The device has been in operation for about four years after the crowdfunding campaign.

 The Apple Watch Band, equipped with front and rear cameras, is finally launching after nearly four years in development. The Wristcam has an 8MP camera that can capture 1080p video and 4K footage and a 2MP selfie camera. The company says you will also be able to use it as a walkie-talkie video with real-time live streaming.

These may be service cameras, but they are unlikely to replace the iPhone camera. The company has sent over a sample of the images captured by the Wristcam, which are pretty decent, if a little underwhelmed in detail.

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In recent years, we have often heard that just about - and humanity will receive batteries that will be able to power our gadgets for weeks or even months, while being very compact and fast-charging. But things are still there. Why more efficient batteries have not yet appeared and what developments exist in the world, read under the cut.

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Shenzhen residents will see truly self-driving cars on the road starting Thursday. AutoX, a four-year startup backed by Alibaba, MediaTek and Shanghai Motors, is deploying a fleet of 25 self-driving cars in downtown Shenzhen, marking the first time any autonomous vehicle in China has been tested on public roads without safety drivers or remote operators.

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Dozens of companies are striving to create a new type of battery: improve energy consumption, service life, accelerate the charging and make sure that the battery is discharged as slowly as possible. Huge sums are invested in new energy storage technologies - about $ 3 billion per year. According to estimates by the Swiss bank UBS, the energy storage market could grow to $ 426 billion over the next decade. High-tech talks about the development of energy storage technologies and why everything depends on the extraction of expensive elements.

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