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Amazon Halo: A fitness tracker that'll measure body fat with your phone camera – CNET

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Amazon has entered the health and fitness world with Halo, a subscription service and accompanying fitness band that unlocks an array of health metrics, including activity, sleep, body fat and tone of voice analysis, to determine how you sound to others. Amazon’s entry into the fitness space is odd indeed, and ambitious. And we’re just getting our minds wrapped around it. 

The band itself looks a lot like a screenless Fitbit tracker, but with a few different elements: It has temperature sensing, much like Fitbit’s newest smartwatch, the Fitbit Sense, and a microphone that continually scans a wearer’s voice to determine emotional tone. Yes, it’s a lot to take in. And the service is immediately available for early access. We haven’t even had a chance to try it out yet. 

The membership part will start at $65 for the first six months ($100 once the early access deal is over) and then $3.99 a month after that. (International prices aren’t currently available, but $65 converts to about £50 or AU$90.) The subscription to Halo includes the basic fitness band that has one button, no screen and tracks your heart rate, steps and temperature. The lack of screen means you’ll have to rely on the mobile app to see all your data, but it does a lot more than just count your steps and log your weight. 

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A tone-analyzing, Amazon health band that also lets you scan your body fat may sound like Black Mirror incarnate, but it’s also opening up some ideas in fitness that we’ve never seen before.


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Amazon’s Halo takes fitness tracking to new and uncomfortable…

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Body fat analysis with a smartphone camera 

Amazon thinks the concept of weight loss is flawed, and that body fat is a much better predictor of health.

Most of us have been conditioned to obsess over our weight. The entire diet industry was built on it with programs, apps and devices that revolve around ways to lose pounds. 

But weight can fluctuate daily based on factors including humidity, medication, menstrual cycle and illness. Plus muscle is more dense than fat, and a scale can’t tell the difference between the two. You could literally work your ass off building muscle and burning fat, and not see the numbers on the scale go down.

Rather than relying on weight, Halo focuses on body fat percentage, which is less volatile and takes a lot more time and work to change. 

The gold standard in the medical world for body composition analysis is a DEXA scan (dual-energy absorptiometry), which can cost up to $100 at a lab. The Halo app does it all using your smartphone camera. Once you take your photos, the app automatically eliminates everything else in the background, calculates body fat percent based on body indicators, and then creates a 3D model of your body, which is both cool and terrifying. The app requires you to wear minimal form-fitting clothing and trust Amazon to take a picture of you wearing it. The entire process takes seconds. 

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Amazon’s Halo app makes a 3D render of your body to analyze body fat, while the fitness band keeps tabs on sleep and activity. 


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If you’re feeling uncomfortable, that’s not surprising: The idea of body-scanning with a camera is already an awkward proposition. Amazon doing this on a health platform makes it feel more so. The sample body-scan images Amazon showed me look very personal — not necessarily something I’d ever want anyone else to see.

That’s why Amazon promises that the finished body scans stay on your phone and won’t be shared with anybody, including the company, unless you opt into that. According to Amazon, “the images are processed in the cloud, but encrypted in transit and processed within seconds, after which they’re automatically deleted from Amazon’s systems and databases. All scan images are fully deleted within 12 hours. The scan images aren’t viewed by anyone at Amazon and aren’t used for machine learning optimizations.”

Watch that tone! 

Halo also offers a Tone analysis, which has nothing to do with body tone, but rather analyzes the nuances of your voice to paint a picture of how you sound to others. It can let you know when you’ve sounded out of line, weirdly enough. 

The fitness band has two built-in mics to capture audio and it listens for emotional cues. The company says it’s not intended to analyze the content of your conversation, just the tone of your delivery. It takes periodic samples of your speech throughout the day if you opt in to the feature. You enable the microphones by tapping the side button and you’ll know when the mic is off when a red LED lights up on the band. 

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The voice scanning pulls out the wearer’s specific voice in conversations and delivers analysis with related emotional-tone words (like “happy,” or “concerned” in the Halo app). The idea, according to Amazon, is to help guide you to deliver better tones of voice and speaking styles, like a vocal form of good posture. It isn’t intended as a form of psychological analysis, but it seems awfully hard to draw the line on a concept like this. 

Amazon’s been exploring the idea of emotional tone-sensing since at least 2018, but this is the first time it’s approached the idea in any device. And according to Amazon, the Tone feature is only available on the Halo band for now. It will be limited to the band’s microphone, but Amazon sounds open to exploring the idea on other devices, depending on how the early access response goes from first-wave wearers. It’s a very odd thing to put on a fitness band, and we have no idea what this is like to use yet.

Amazon promises that Tone voice samples are encrypted and stored only on a wearer’s phone (shared from the band via Bluetooth with the encrypted key), are deleted after analysis and won’t be shared to the cloud or used to build machine-learning models.

Sleep analysis with temperature tracking

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The sleep analysis includes a body temperature to detect variations that may impact sleep. 


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The app provides a comprehensive sleep analysis with a breakdown of the different stages of sleep and overall sleep score, much like other fitness trackers. It also goes beyond the basics by keeping track of your overall body temperature during sleep and creating a baseline for each person. It then charts your average temperature each night relative to your baseline to help you identify variations that could affect your health and the quality of your sleep. 

The Halo band won’t provide a specific body temperature, similar to the way other temperature wearable devices like the Oura Ring already work.

Temperature has become a trending wearable metric in the COVID-19 era: The Oura Ring has one and Fitbit’s newest Sense watch has one too. Amazon’s Halo team is pursuing research for COVID-19 symptom detection on its wearables, much like other health wearable companies, but no specific studies or plans have been laid out yet.

Activity tracking: A week at a glance 

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The activity app is based on a weekly point system. 


Amazon

Halo also does basic fitness tracking based on the information from the band. It can automatically track walks and runs, but you’ll have to go into the app and tag any other workouts manually. 

It rewards you for any type of movement or activity, but gives more points for more intense workouts and subtracts points for sedentary time. And it doesn’t keep a daily tally of your activity, your score is based on the points you accrued during the entire week. The entire picture of exercise, sedentary time and active time is combined into one tally.

Amazon’s sleep and activity scores and other AI tools will require an Amazon Halo subscription; otherwise, the band will default to more basic tracking data. Much like Fitbit and its Premium service, this looks to be continuing a trend of fitness devices that expect a subscription model as part of the package.

A lot of labs and partners, but no Google or Apple integration

A Labs section of Amazon Halo looks similar to what’s on Fitbit’s Premium service, with a lot of multiweek health and fitness goals to opt into, and partners lined up from OrangeTheory to Weight Watchers. Amazon promises these challenges are scientifically vetted, but it also sounds like these challenges will keep being added to over time. 

But at least at launch, Halo will not tie in to Apple’s HealthKit or Google’s Fit App which puts it at a disadvantage with people who are already deeply invested in either for health tracking. Amazon is leaning on Weight Watchers, John Hancock Vitality wellness program, and a few others that will be able to hook into Amazon Halo health data.

The looming privacy question

There’s a lot of process in terms of features, and while some seem interesting and innovative, the biggest barrier to entry is privacy. Sharing any kind of health data (let alone unflattering seminudes) requires next-level trust, and you might not be prepared to give Amazon that trust. The company doesn’t exactly have the most pristine track record when it comes to keeping user data private. Alexa-enabled devices have been in the hot seat for storing private conversations “for machine learning purposes.” And Amazon’s Ring doorbell has had a series of privacy dust-ups. 

Halo puts privacy in your hands by allowing you to opt out of data sharing with Amazon and third-party apps as well as disable the microphone on the band, but it’s still going to be an uphill battle. That is unless its features prove to be earth-shattering and worth the privacy risk, which remains to be seen.

Amazon is late on arrival

The lack of connection to Apple or Google is telling. Amazon’s making a play in the health and fitness data space, and with Google, Fitbit and Apple already deep in, it’s a big question as to how Amazon will make waves. Or, where Amazon Halo will go next. It’s a platform as much as a wearable, and it sounds like Halo’s early-access experiment may just be the tip of the iceberg.

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Nothing Ear And Nothing Ear (a) Earbuds Are 1st With ChatGPT Integration – Forbes

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London-based Nothing Tech has just launched new earbuds, two pairs, in fact. The Nothing Ear and more affordable Nothing Ear (a) have just gone on sale—you can read Forbes contributor Mark Sparrow’s review of both pairs here. And now, the company has announced a cool new feature: and industry-first integration with ChatGPT. It comes with strings, though.

The new earbuds have just been announced and are available to pre-order from nothing.tech now and go on sale from Monday, April 22. If you’re in London, and you want to be among the very first to get the earbuds, you can snap them up in the Nothing Store Soho a little bit sooner, from Saturday, April 20 (click-and-collect is available).

From launch, the company said, “it will enhance its overall user experience with industry-first ChatGPT integrations in its audio and smartphone products.”

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Nothing goes on that it wants “to advance consumer tech products’ transition to AI, as well as simplify and enhance the user experience.”

It means users will be able to pinch the earbud to directly speak to ChatGPT to ask questions and hear responses in the earbuds. Nothing is also introducing new elements to Nothing phones, such as widgets which make it easy to talk to ChatGPT on the handsets. Other features include being able to send screenshots directly to ChatGPT and a clipboard shortcut for sending text.

So, what are the catches?

Although the Bluetooth new earbuds will work with any iPhone or Android phone, and there are dedicated Nothing apps for each platform, the ChatGPT integration is more limited for now.

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The earbuds must be paired with a Nothing handset. From today, the feature works with the premium model, the Nothing Phone (2), providing it’s running the latest software. The earlier Nothing Phone (1) and more recent, more affordable model, Nothing Phone (2a) will need to wait for a software update, which Nothing says is “coming soon”.

Also coming in the future is compatibility with earlier Nothing earbuds, that is the Ear (1), Ear (2) and Ear (Stick).

The new earbuds are very keenly priced. Ear costs $149 (£129 in the U.K.), while Ear (a) is $99 (£99 in the U.K.). Both pairs have active noise-cancelling, which is not commonplace at this price point. The more expensive Ear has a wireless charging case and a feature to create a personal sound profile. Both pairs come in black and white finishes, with Nothing’s trademark transparent design in the earbuds and charging case. But the Nothing Ear (a) has an eye-catching extra: a tremendous yellow-finish option.

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U of T Engineering PhD student is working to improve the sustainable treatment of Ontario's drinking water – U of T Engineering News – U of T Engineering News

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Growing up in a small neighbourhood in Cameroon, Maeva Che (CivMin PhD student) was aware of challenges of accessing clean drinking water. 

“Experiencing that exposure to water issues and challenges with sustainable access to safe drinking water ignited my interest in water treatment,” Che says.  

Che’s drive to improve water quality around the globe brought her to the Drinking Water Research Group (DWRG) at University of Toronto’s Faculty of Applied Science & Engineering, where she is researching innovative solutions to address local water issues.  

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Che is working under the supervision of Professor Ron Hofmann (CivMin), who is a member of the DWRG. Her research focuses on removing unpleasant taste and odour compounds in Ontario’s drinking water by promoting the biodegradation of these compounds through granular activated carbon (GAC) filtration. 

The project is supported by a five-year Natural Sciences and Engineering Research Council of Canada (NSERC) Alliance grant called Advanced and Emerging Issues in Drinking Water Treatment. 

GAC filtration is a water treatment process that uses granular activated carbon, which is made from organic materials that are high in carbon, such as wood, coal or coconut shells. These materials are heated in the absence of oxygen through a process known as pyrolysis and prompted chemically or physically to produce the activated carbon. The activation enhances the material’s adsorption properties, making it productive to remove contaminants from water.  

While GAC filtration is an effective treatment process, its adsorptive capacity is limited. The adsorptive capacity of GAC is expected to become exhausted after about three years in service and drinking water treatment utilities must replace the GAC. Aside from the inconvenience, replacing GAC is costly.  

Che is working on alternative ways to remove contaminants using GAC filtration, specifically through biodegradation. When the filtration has been in service for a while, there is the growth of micro-organisms on the GAC, which can be useful for removing contaminants.   

PhD student Maeva Che works with filtration systems research at the Drinking Water Lab in the Department of Civil & Mineral Engineering. (photo by Galina Nikitina)

“Think of biodegradation as the useful bacteria on the GAC feeding on the contaminants in the water, thereby removing them,” says Che. 

“If the GAC has enough good bacteria that is biodegrading the compounds, the GAC may not need to be replaced when its adsorptive capacity becomes exhausted. This can extend the filter’s lifetime, resulting in cost benefits for treatment utilities.” 

In other words, biodegradation can potentially enhance the performance of GAC filters. 

Che and the DWRG will collaborate with water treatment plants to determine methods that can enhance the biodegradation of taste and odour compounds within their GAC filters.  

Currently in its initial phase, the project is taking place alongside the Peterborough Utilities Group’s drinking water treatment plant, where Che is conducting pilot-scale filtration studies with support from the Peterborough Utilities Commission. They plan to extend this research to other partner treatment plants in the future. 

Working with various water treatment plants across Ontario, Che will also assess the effectiveness of GAC filters in removing non-traditional taste and odour compounds, which are not commonly monitored. 

To achieve this, she’ll evaluate filter performance for two common taste and odour compounds — 2-methylisoborneal and geosmin — and eight additional non-traditional compounds that can cause taste and odour events. This involves collecting GAC and water samples from the plants and conducting lab-scale filtration tests, called minicolumn tests. This test, developed by the DWRG, allows to differentiate between adsorption and biodegradation in GAC filters. 

Minicolumn tests provide crucial insights into the performance of the GAC filters in terms of the adsorption and biodegradation of contaminants. To distinguish between these mechanisms, researchers use parallel minicolumns. One minicolumn operates under conditions where the biological activity of micro-organisms is suppressed, which isolates the adsorption process. The second minicolumn operates without biological suppression, allowing both adsorption and biodegradation to occur. 

“Many plants are unaware of their filters’ performance for other compounds, aside from the two common ones, that also contribute to taste and odour events in water. Our project, therefore, plays a crucial role in expanding the understanding of this,” Che says. 

Project partners include the Ajax Water Supply Plant and the Barrie Surface Water Treatment Plant.  

The DWRG is made of approximately 30 graduate students, post-doctoral fellows, research managers and associates who collaborate with local, national and international industry and government organizations to address a wide range of projects related to municipal drinking water. 

Che credits her experience as a master’s student with the research group as a major factor in her decision to pursue a PhD at the University of Toronto.  

“During my master’s degree with the DWRG, I worked on projects that improved drinking water quality, gaining hands-on experience at treatment plants. Seeing the results of my research reinforced my decision to pursue my PhD here,” Che says. 

Ultimately, Che hopes to make a significant impact in the field — and the DWRG provides opportunities to achieve this, with a supportive community of researchers and supervisors.  

“My goal is to continue researching and developing sustainable solutions for drinking water treatment that benefit communities in need,” she says. 

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Huawei's latest flagship smartphone contains no world-shaking silicon surprises – The Register

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When Huawei debuted its Mate 60 smartphone in mid-2023, it turned heads around the world after teardown artists found it contained a system-on-chip manufactured by Chinese chipmaker Semiconductor Manufacturing International Corporation (SMIC) using a 7nm process.

SMIC was thought not to be able to build that sort of thing. So while the Mate 60 didn’t differ markedly from every other modern smartphone, its very existence called into question the effectiveness of US-led efforts to prevent advanced chipmaking tech reach the Middle Kingdom.

Much speculation has therefore concerned what Huawei would deliver next, and this week the world got its answer – in the form of the Pura 70.

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Chinese media report that early users of the device have posted details of its innards, naming the SoC as Kirin 9010 with four efficient cores running at 1.55GHz, half a dozen performance cores at 2.18GHz, and a couple of high-performance cores zipping along at 2.30GHz. All cores are Arm v8. A third-party spec sheet suggests it’s a 7nm chip – meaning Chinese chipmakers appear not to have made another unexpected advance.

Early tests suggest it outperforms the Kirin 9000 found in the Mate 60, but independent assessments are yet to emerge. The crowdsourced evaluations currently available are sometimes dubious.

What we can say with confidence is that the Pura 70 has a 6.6-inch OLED display with 120Hz refresh rate and resolution of 2,760 x 1,256. It has 12GB RAM aboard, and buyers can choose from 256GB, 512GB, or 1TB of storage.

The three rear-facing cameras on the base models can capture 50, 12, and 13 megapixels apiece.

The Pura range derives from Huawei’s P-Series handsets that stretched from the midrange to the low-end of premium, but are now focussed – pardon the pun – on photography enthusiasts. The device comes on four variants, each priced to match the four editions of Apple’s iPhone 15.

The screen on the high-end “Ultra” model grows to 6.8 inches and 2,844 × 1,260 pixels, with two rear cameras that shoot at 50 megapixels and one at 40. One of the 50MP snappers is retractable, to enhance its zooming powers.

Importantly, all models of the Pura 70 run HarmonyOS 4.2 – Huawei’s not-Android operating system.

China is all-in on HarmonyOS as the nation pursues indigenous alternatives to Western tech. In recent weeks Chinese media and government agencies have noted the growing proliferation of native HarmonyOS apps, trumpeting that developer enthusiasm for the platform means local buyers now have a more patriotic alternative.

That alternative appears to be welcome: after the debut of the Mate 60, analyst firm IDC saw Huawei’s smartphone market share improve by 36.2 percent. ®

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