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Industry & Technology

Holograms to Match of the Day: Huawei shindig shows 5G is still playing all things to all people

The Register - 46 min 8 sec ago
But whatever, you can expect phones next year

Roundup After years of interminable waffle, 5G is almost upon us, and Huawei wants to tell us what works – and what must wait. At this stage, the wrinkles are as valuable as the milestones, because 5G is a vast smorgasbord of different technologies and aspirations.…

Small drone soars on an ionic wind with no moving parts

Ars Technica - 47 min 37 sec ago

Enlarge (credit: Nature)

The Johnson Indoor Track at MIT probably won't go down in history in the same way as Kitty Hawk has, but it was the scene of a first in powered flight. A team of researchers has managed to build the first aircraft powered by an ionic wind, a propulsion system that requires no moving parts. While the flight took place using a small drone, the researchers' calculations suggest that the efficiency of the design would double simply by building a larger craft.

Ionic wind

In conventional aircraft, air is pushed around by moving parts, either propellers or the turbines within jet engines. But we've known for a while that it's also possible to use electrical fields to push air around.

The challenge is that air is largely made of uncharged molecules that don't respond to electric fields. But at sufficiently high voltages, it's possible to ionize the nitrogen and oxygen that make up our atmosphere, just as lightning does all the time. The electrons that are liberated speed away, collide with other molecules, and ionize some of them as well. If this takes place in an electric field, all those ions will start moving to the appropriate electrode. In the process, they'll collide with neutral molecules and push them along. The resulting bulk movement of atmospheric molecules is called an ionic wind.

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Black Friday 2018 streamer deals: $20 Roku, $25 Fire TV and Chromecast and more - CNET - News - 53 min 56 sec ago
It's never been cheaper to get Netflix, Hulu, YouTube, ESPN, DirecTV Now and more to your TV. Here are the best discounts (so far) on our favorite streamers, many of which are available now.

California fires boost interest in PurpleAir's pollution sensors - CNET - News - 54 min 9 sec ago
The company's map displays air quality around the world.

Google Find My Device now shows you left your phone in the mall bathroom - CNET - News - 54 min 19 sec ago
Support for indoor maps comes to large venues.

Black Friday 2018 Office Depot deals: $450 HP laptop with Intel Core i7, $500 Lenovo Flex 5 and 1TB hard drive, $110 Dell 27-inch monitor - CNET - News - 57 min 37 sec ago
Today only: 20 percent off qualifying nonsale items. Plus, this deal on an HP Core i7 laptop may be among the best of the year.

Black Friday 2018 Best Buy deals available now: Nintendo Switch, Galaxy S9, Philips Hue Roku TVs and more - CNET - News - 58 min 37 sec ago
Of all the big box Black Friday stores, Best Buy has the most good deals available now online. And even more coming soon.

The best Black Friday smart-home bundles you can buy this week - CNET - News - 1 hour 2 min ago
Shopping for smart home devices this Black Friday? Consider these killer connected home combos that we cobbled together from our favorite deals of the season.

FCC’s proposed robotext crackdown could block legal messages, critics say

Ars Technica - 1 hour 4 min ago

Enlarge (credit: Getty Images | Towfiqu Photography)

The Federal Communications Commission says it is giving cellular carriers added authority to block text messages, saying the action is needed to protect consumers from spam or robotexts. But critics of the plan note that carriers are already allowed to block robotexts and worry that the change will make it easy for carriers to censor political texts or block certain kinds of messages in order to extract more revenue from senders.

FCC Chairman Ajit Pai's announcement acknowledges that carriers are already allowed to block illegal robotexts. Pai did not promise new consumer-friendly blocking services; instead, he said his plan "allow[s] carriers to continue using robotext-blocking and anti-spoofing measures to protect consumers from unwanted text messages" (emphasis ours).

Despite that, Pai is proposing to classify text messaging as an information service, rather than a telecommunications service. That's the same legal classification that Pai gave to home and mobile broadband services as part of a December 2017 vote to deregulate the industry and eliminate net neutrality rules. The FCC has not previously ruled on whether text messaging is an information service or a telecommunications service.

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NASA Mars mission gets perfect explainer from The Oatmeal - CNET - News - 1 hour 7 min ago
Matthew Inman draws a comic with everything you need to know about NASA's InSight lander.

Nintendo’s biggest Switch-download sale yet includes legitimately good offers

Ars Technica - 1 hour 11 min ago

It's not Christmas yet, but Nintendo is already wishing Switch owners a Merry Yoshi-mas via a Thanksgiving-timed eShop sale. (credit: Nintendo)

While you'll want to stay tuned to our regular Dealmaster guides for this week's range of Thanksgiving-timed sales, we wanted to quickly point out a rarity in the digital-gaming world: a legitimately good (and huge) range of discounts on Nintendo Switch downloads.

Wednesday saw the big N unveil a whopping 47-game sale, chock full of recent, popular, and well-reviewed fare, for its Nintendo Switch eShop. The sale is valid between now and November 28. The Switch eShop has never received this many simultaneous discounts on well-reviewed games, and, while some of the discounts are a little paltry, most are surprisingly good.

Here's a slightly sorted list of the "best" discounted games, with quality and discount considered as ranking factors. In particular, the ports listed here are all solid Switch fare that we've tested. (We're picky about good Switch ports, as I've discussed at length.)

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Black Friday 2018 deals at Best Buy: TVs, Nintendo Switch, Apple HomePod and more - CNET - News - 1 hour 11 min ago
Best Buy could very well have the best buys of the Black Friday season. Here are the top deals from the tech specialist.

Black Friday 2018 early deal ends today: Up to $150 off newest MacBook Air at B&H - CNET - News - 1 hour 12 min ago
Today only: multiple configurations are on sale, starting at $1,099.

Buying a Black Friday Chromebook? Read this first - CNET - News - 1 hour 15 min ago
A couple of key specs can keep you from getting a bad deal for your needs.

How an iPhone and a hairy hamster create magic movie sound - CNET - News - 1 hour 15 min ago
Listen closely to the sound designer of The Favourite revealing how what you hear creates the world of the story.

Top 5 reasons why flying cars are a good idea - Roadshow - News - 1 hour 16 min ago
They remain the butt of tech jokes, but flying cars will change the future.

The 61 Best Black Friday deals of 2018 - CNET - News - 1 hour 18 min ago
Black Friday is Nov. 23, and that means the usual cornucopia of deals. Some are good, some are bad -- these are the best.

Honda recalls 108,000 Odyssey minivans for sliding doors that won’t stay shut - Roadshow - News - 1 hour 35 min ago
Owners should receive recall notifications by mail in December.

Black Friday 2018 deals: iPad for $250, HP touchscreen laptop for $530 and other gaming PC, Chromebook, tablet sales - CNET - News - 1 hour 37 min ago
We've just added new deals from Origin PC and Alienware, and some are available now. Plus, Walmart's $350 Lenovo IdeaPad 330s.

Sugar cures cancer! (Not really, but one sugar may help chemo)

Ars Technica - 1 hour 45 min ago

Enlarge (credit: Larry Washburn | Getty Images)

My thesis advisor would describe some new results—disparagingly—as “not hypothesis driven.” Instead, the researchers who are reporting these results thought to themselves: hmmm, tumor cells really like glucose. (Yes, all cells really like glucose, but tumor cells really really like it.) Wonder if they like all sugars? They soon grew some osteosarcoma cells in the presence of different sugars and found that one sugar significantly impeded cell growth.

Despite the lack of a hypothesis, at least this is a Nature paper, so it is incredibly comprehensive. The authors followed up on many ramifications of their initial findings and did an inordinate number of experiments to bolster each of their assertions.

Mano a mannose

The authors compared the tumor cells' growth on a variety of sugars: glucose, fructose, frucose, galactose, and mannose. Out of everything they tested, mannose was the only one that seemed to slow the cells down.

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