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DJI’s Mavic Air is a tiny, foldable, affordable 4K drone

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The Air is the company’s most practical yet portable drone to date: weighing in at 430g, the drone’s folding arms sit flush against its body to create a chunky, smartphone-sized block that can easily be carried around.

Unlike some smaller drones, the Air is kitted out with the necessary tech to capture crisp, steady video. The three-axis mechanical gimbal is suspended from dampeners and the Mavic Air captures still images at 12-megapixels and 4K video at 30fps. If you’re after slow-mo shots, these can be captured in 1080p at 120fps. As an added bonus, DJI’s panorama system can stitch together 25 photos to create a 32-megapixel image in around a minute.

The Mavic Air comes with 8GB of onboard storage and an microSD card slot. There’s also USB-C for speedy exporting of captured footage. The drone has a maximum flight time of 21 minutes and can fly in winds of up to 22mph and elevations of 5,000 metres.

DJI has also squeezed in seven onboard cameras and infrared sensors, which combine to construct a detailed map of the drone’s surroundings. Forward and backward facing cameras can detect obstacles from 20 metres away and help the Mavic Air automatically avoid crashes.

The 1080p live video feed has a range of 2.5 miles for first-person view control and in Sport mode the Mavic Air can reach speeds up to 42mph. Hand gesture controls over a distance of six metres are also supported – commands include push, pull, land and capture.

The price and specs fill a gap in DJI’s drone line-up, with the Mavic Pro Platinum capable of flying for 30 minutes and the Spark not able to film in 4K.

It’s available in three colours – black, white and red – and costs £769 complete with drone, battery, controller, carrying case and two pairs of propeller guards and four pairs of propellers. The Mavic Air is available to pre-order now and orders start shipping on January 28.



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LG G7 ThinQ Is Now Available In the US for $750

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LG waited longer than normal to announce its big 2018 flagship phone, but it finally took the wraps off the LG G7 ThinQ a few weeks ago. Today, the phone is available for purchase on most US carriers. While LG has had trouble competing with the likes of Samsung, it’s still targeting the same premium space. Although, it’s got an iPhone-style screen notch now. That’s what consumers want, right?

The LG G7 ThinQ is the epitome of all things 2018 in smartphone design. It has a glass back, dual cameras, and a display notch that isn’t done particularly well. The missing bit of screen provides a place for the camera, earpiece, and some other sensors. It does seem a little excessively large for how compact these components are, though. In addition, the G7 has a “chin” at the bottom with a larger bezel than the top and bottom. This asymmetric look isn’t as striking as the iPhone X it imitates. The 6.1-inch 1440p display is also an OLED, which lacks the vibrancy of modern OLED panels.

Inside, this phone has all the current flagship hardware you’d expect with a Snapdragon 845, 64GB of storage, and 4GB of RAM. Unlike many other current smartphones, the company has opted to keep the headphone jack for the G7 ThinQ. LG also touts the G7’s unique speaker design that uses the entire chassis as a resonator to boost sound output.

You may be wondering about the name — specifically the “ThinQ” bit. Well, that’s LG’s expanded brand for all its AI technologies. What that means for the G7 is that there’s an AI mode in the camera that looks for objects it can identify and offers possible filters. It’s not very accurate or useful, but LG didn’t even develop any AI software or hardware for this phone. It just licensed a machine vision library from a third-party.

The LG G7 ThinQ is available from all major carriers in the US except AT&T. Apparently, AT&T chose to sell the LG V35 instead of the G7. This marks the third variant of the V30 that LG has sold since it debuted last year. At other carriers, the G7 ThinQ will run you $750, give or take a few dollars. Carriers offer payment plans to split the cost over two years. It will launch on Google’s Project Fi soon, as well. If you don’t want to go through carriers, the phone is also available from Amazon.

 

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Google Doodle honors ‘Prince of Mathematicians’ Johann Carl Friedrich Gauss

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Maths is the latest to receive the Google Doodle homage.

Johann Carl Friedrich Gauss, otherwise known as “The Prince of Mathematicians”, made instrumental contributions to number theory, algebra, geophysics, mechanics and statistics.

Gauss was born on April 30 in 1777 in Brunswick, a city in the north of Germany, near Wolfsburg. Despite poor working-class parents and an illiterate mother, Gauss was a child prodigy, believed to have been able to add up every number from 1 to 100 at 8-years-old.

One of his first major equations was working out his date of birth, which his mother hadn’t recorded. He used the only information she had: that it was a Wednesday, eight days before an Easter holiday.

At university when he was 19, Gauss discovered a heptadecagon, or a 17-sided polygon. He requested that a regular heptadecagon be inscribed on his tombstone, but it was too difficult for the stonemason, who said it would just look like a circle.

513px-regular-polygon-17-annotated-svg
 A heptadecagon.

 


László Németh/Wikipedia

And remember your prime numbers? That year Gauss was involved with proving the prime number theorem, helping understand how prime numbers are distributed among the integers, or whole numbers.

Again the same year, a productive one for Gauss, he discovered the quadratic reciprocity law, which allows mathematicians to determine the solvability of any quadratic equation in modular arithmetic.

At 24, Gauss’ work on number theory, which he completed when he was 21, was published as a textbook. Not only did it involve his original work, but it reconciled that of other mathematicians. It would be considered his magnum opus and had an extraordinary impact on the field.

Oh, and add to those achievements a discovery in astronomy — in the same year, 1801, Gauss calculated the orbit of an asteroid called Ceres.

After a much-accomplished life, Gauss died aged 77 on Feb. 23, 1855.

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