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5 Best Video Doorbell Cameras (2026): Smart, Battery, AI, Budget, and Subscription-Free

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Other Video Doorbells to Consider

I’ve tested several other video doorbells. These are the ones that narrowly missed out on a place above.

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Photograph: Simon Hill

SwitchBot Smart Video Doorbell for $100: I don’t love the design of this wide doorbell, but it does come with a wee display that you can use to view who’s there and answer. This could be handy for folks who don’t want to rely on a phone and it lets anyone in the house check who is calling. Video quality is decent, though the frame rate is limited to 15, and the display is low res. You can record locally, and there’s a subscription option if you want cloud storage. Sadly, I found the display was often slow to wake up, and sometimes I had trouble playing back recorded videos.

Philips Hue Secure Video Doorbell for $170: After a fiddly installation, you get a stylish doorbell offering sharp 2K resolution day or night and a wide view that takes in your whole porch. Notifications are swift and reliable, and you can sync up your Hue lights in interesting ways, but if you don’t already have a Philips Hue setup, I’d pick something from above. There’s no local storage option and you must buy a Smart Chime separately. Although you can get 24 hours of video for free, the false alerts will drive you mad. You must subscribe (from $40 a year) to get vital features, like people detection, activity zones, and back-to-back video recording.

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Wyze Battery Video Doorbell for $66: Another solid budget option, you get decently sharp 1536 x 1536 resolution video with a 150-degree field of view from this doorbell. You can record locally on a microSD card and there’s good smart home connectivity, but you need a Wyze subscription, from $3 per month, to get person, package, pet, and vehicle detection, back-to-back video recording, and rich alerts (it’s not worth getting without this subscription). The indoor chime is sold separately, and if you want advanced features like facial recognition or descriptive alerts you have to pay more ($10 or $20 a month).

Black rectangular electronic doorbell with builtin camera attached to a grey door frame near a brick wall.

Photograph: Simon Hill

Logitech Circle View Doorbell for $200: As close as you can get to an Apple video doorbell, this compact hardwired doorbell boasts a 160-degree field of view with a 3:4 portrait aspect ratio that takes in your whole porch. Video is crisp and clear, in bright or low light, and the live feed is impressively quick to load. The notification system can tell the difference between animals, people, and vehicles, and will start to recognize familiar faces over time. It works directly through the Apple Home app, though there are pros and cons to Apple’s HomeKit Secure Video. Ten days of encrypted videos are stored in your iCloud account (if you have a 50-gigabyte subscription or higher). Alerts come via Apple devices, but your regular chime will also sound when this doorbell is pressed. I love that live video pops up on the Apple Watch or Apple TV when someone rings the doorbell. The complete lack of support for Android or Alexa will turn some people off, and I encountered several issues with this doorbell cutting out and having to be rebooted at the fuse box.

Amazon Blink Doorbell for $70: One of the cheapest doorbells worth considering, (wait for one of Amazon’s frequent discounts to save even more) the Blink Video Doorbell only needs two AA batteries to run for months. But you need a subscription unless you buy with the Sync module (I recommend it). The Blink Basic subscription is $3 a month or $30 a year. Video quality is 1080p with a limited field of view (135 degrees horizontal and only 80 degrees vertical). The lack of HDR shows in mixed light, with bright areas blowing out and shaded areas losing detail. If you have a person at the door with light behind them, it can be tough to see their face. Notifications lacked images or video and were slightly slower than some of the competition, but they always came through. The two-way audio is passable.

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Nest Doorbell (Battery) for $180: If you can’t hardwire your doorbell, the battery version of our top pick is still a great doorbell. I tested it alongside several competitors, and it consistently outperformed them. Alerts are swift, and notifications include animated previews that make it easy to decide whether you need to act. While the resolution isn’t the sharpest (960 x 1280 pixels), and the field of view is 145 degrees, Google compensates with HDR video at up to 30 frames per second.

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Photograph: Simon Hill

Doro Hemma Doorbell for £150: A simplified smart doorbell for seniors is a solid idea, and Swedish maker Doro gets plenty right with the Hemma. It is a battery-powered doorbell that’s easy to install and use, offering a 1440 x 1440-pixel resolution with a decent frame rate (30 fps), local recording via microSD card, and a plug-in ringer that gets loud enough to hear throughout the home. It worked reliably during testing, and the mobile app is deliberately straightforward, with a handy option to pass calls off to a trusted friend or family member (they’ll need the app too). The two-way audio works well, there’s a handy zoom function when you livestream, and there’s a siren to scare folks away. It is simplified, so there are no privacy zones or package alerts, and it may be too sensitive for busy front doors, though you can set it to alert just for doorbell rings. Battery life is decent, though the battery is not removable, so you need to take the doorbell off to charge or use a portable charger. Sadly, it is only available in the UK and Europe.

SimpliSafe Video Doorbell Pro for $170: If you’re looking for a solid security system, SimpliSafe is likely on your radar, and for folks with a SimpliSafe setup, the Video Doorbell Pro fits in neatly. Former WIRED reviewer Medea Giordano found it sensitive at first, but, after an update, she says it worked nearly perfectly, sending swift alerts and offering a good, clear view of her porch. Footage maxes out at 1080p, but the camera supports HDR to banish glare and has a 162-degree field of view. It does have to be wired, and you need a subscription from $5 per month to record videos, but SimpliSafe also offers the option of professional monitoring (from $32 per month), which is a rarity for doorbells and might make sense if you have a complete security system with them.

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TP-Link Tapo (D230S1) Smart Battery Video Doorbell for $106: For folks seeking a local storage option that doesn’t require a monthly fee, Tapo’s smart video doorbell is worth a look. Notifications come through swiftly and include a still image; video quality is excellent, even at night, and the indoor hub takes a microSD card and doubles as a chime. On the downside, it is chunky, and the onboard AI (which is supposed to recognize people, pets, vehicles, and packages) is flaky.

Tough to Recommend

We didn’t like every video doorbell we tested. These are the ones we don’t recommend.

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Photograph: Simon Hill

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Imou Doorbell 2S Kit: Aside from being large and ugly, the Imou doorbell offers crisp video recording up to 2K with a 166-degree field of view, and it has a unique trick: the lens can rotate through 30 degrees to track subjects. The large size allows for a big battery, but this doorbell can also be hardwired. The kit includes a plug-in chime with a microSD card slot for local storage. Unfortunately, testing side by side with the Arlo, it failed to pick up some events. I also had major connection issues after changing my router, despite retaining the same network name and password. I had to reset the chime, which temporarily deleted the doorbell. It’s only available in the UK.

Image may contain Baby Person and Electronics

Photograph: Simon Hill

Reolink Video Doorbell (Battery): We liked Reolink’s wired doorbell, listed above, so I was excited to try its first battery-powered model, but it was a disappointment. It offers up to 2K footage with a 1:1 aspect ratio that gives you a complete view of the porch, but you must turn HDR on in the settings, and it has a relatively low frame rate (15 fps). I like the option to go subscription-free, but it means putting a microSD card in the doorbell itself, and this is a relatively easy doorbell to remove. Reolink suggests up to five months of battery life, but my first review unit died after less than two and refused to recharge. Reolink sent me a replacement, which is performing better, but when it does run out, the rechargeable battery inside cannot be removed, so you have to take the doorbell off to recharge it. Factor in the slightly confusing app, relatively slow loading times, and connection glitches, and this is impossible to recommend.

Sleek silver rectangular electronic doorbell with builtin camera attached to a wooden fence

Ezviz EP3x Pro

Photograph: Simon Hill

Ezviz EP3x Pro: This is a far better-looking doorbell than Ezviz’s previous models, and it’s nice to see solar panels as an option for doorbells, though you will need a porch capable of catching some rays. The video quality is good, and you get a split view (like the Eufy above) that includes packages or waiting cats on your doorstep. The distortion correction works well, and there is optional color night vision with a built-in light, though it only works at very close range. I appreciate the 2FA, with fingerprint login, and 32 GB of onboard storage (cloud storage is an optional extra). Sadly, if you use the solar panel, you can’t connect to your wired chime. The lack of HDR is disappointing, human detection was a bit off (it frequently said I was a cat), and I had issues with alerts failing to come through on some Android phones. (Even after following Ezviz’s instructions, they never worked reliably on my Xiaomi 14 Ultra.) This model is not yet available in the US.

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Botslab Video Doorbell 2 Pro: The flaky setup procedure required a couple of restarts, and physical installation was no better, as the screws supplied were so cheap that one of the heads broke off. The camera has a fisheye effect, but you can correct it with different views. I liked the VR mode, which provides a 180-degree view of your front porch. It comes with a handy plug-in chime, alerts seem reliable, there is an HDR option, and you can record locally (32 GB included) or in the cloud. You can also set a detection range, which could be handy for street-facing cameras. But the app is confusing, with an AI tab that lists various skills available for purchase. There is a login history and a limit of two devices signed in at once, but no 2FA, which makes this impossible to recommend. It is versatile but also relatively expensive.

Swann SwannBuddy Video Doorbell: This doorbell comes with a wireless battery-powered chime and the option of local storage, but the positives end there. The video quality is poor, the app is painfully slow to load and glitchy, and the doorbell frequently fails to register motion. I found the battery life disappointing. I must also question the decision to provide local storage via a microSD card inserted in the doorbell (the chime would make more sense and be more secure).

What Features Should I Look for in a Video Doorbell?

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Here are a few factors that you might want to think about when shopping for a new video doorbell.

Resolution and HDR: The higher the resolution, the clearer the picture you get, but consider that higher-resolution video also requires more bandwidth to stream and takes up more storage space. If your front porch is in direct sunlight or strong shade, I strongly recommend opting for a video doorbell with HDR support, as it helps to prevent bright areas from appearing blown out or shadowy areas from being too dark to see.

Field of view and aspect ratio: If you want a head-to-toe view of the person at your front door, then think about the field of view and aspect ratio offered by your prospective pick. A wider field of view will take more in but can cause a fish-eye effect. Rather than a traditional landscape aspect ratio, you may prefer a square or portrait view to ensure you can see a visitor’s face and any packages that might be on your porch.

Local or cloud storage: If you don’t want to sign up for a subscription service and upload video clips to the cloud, ensure your chosen doorbell offers local storage. Some video doorbells have microSD card slots, while others record video to a hub device inside your home. You can expect to pay somewhere around $3 to $10 per month for 30 days of storage for a video doorbell.

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Advanced features: The best doorbell cameras offer features like package detection and person recognition. These features can be handy for filtering alerts, so you only get useful notifications. Bear in mind that you may need a subscription to gain access to advanced features.

Security: A couple of things I recommend looking for are two-factor authentication (2FA) to ensure that someone with your username and password cannot log into your doorbell, and encryption to ensure that anyone accessing the manufacturer’s servers cannot see your Wi-Fi login details or watch uploaded videos.

Which Is Better, a Wired or Wireless Video Doorbell?

Smart doorbells require more power than traditional doorbells. If you opt for a wired video doorbell, you may need a new transformer, and you will likely want to hire an electrician for safe installation. The main advantages of wired doorbells are that you shouldn’t need to touch them again after installation, and they will ring your existing doorbell chime. Wired doorbells are usually a bit cheaper and slimmer than models with batteries, too.

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Battery-powered smart doorbells are easy to install yourself and can be mounted wherever you like. The main downside is that you must remove and charge the battery every few weeks or months, which means some downtime unless you buy a spare battery to switch in. Remember also that your regular doorbell chime won’t work with a battery-powered smart doorbell, so you will probably need to buy a wireless chime device to plug in somewhere in your home, though you can also configure smart speakers to act as doorbell chimes.

Most battery-powered video doorbells can also be wired, which may be the best solution if you have concerns about power outages. Wired doorbells are generally faster to alert and more reliable than battery-powered doorbells.

How Well Do Video Doorbells Perform?

All smart doorbells need a strong Wi-Fi signal to perform well. Some come with hubs that double as Wi-Fi repeaters for a better connection. Remember that performance away from home when you access the video doorbell on your phone will be heavily impacted by the quality of your phone’s internet connection. Every video doorbell I’ve tested has a slight lag, but you should be able to see the live feed in close to real time and carry on a two-way conversation. While feeds should load within two to three seconds, occasional delays in loading the live feed are common, and I have yet to find a flawless doorbell. Video doorbells tend to load fastest in their native app.

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What Is the Best Video Doorbell Brand?

While Google’s Nest Doorbell is our top pick, it might not be the best video doorbell for you. If you already have a security camera system or plan on getting one, it makes a lot of sense to stick with the same brand for your doorbell. That way, you can access everything in the same app and get a single subscription if required. If you have a lot of smart home devices, check that the doorbell is compatible with your preferred ecosystem and voice assistant.

Why We Hesitate to Recommend Ring

I’ve been testing video doorbells for several years now. I install every video doorbell I test and use it for at least two weeks, but usually longer, as our main doorbell. I check the responsiveness when at home and away, test all the features in the app, and explore the smart home integration options. After the initial test, I install the doorbell alongside other doorbells (usually at least our top pick) and directly compare the response time and accuracy of alerts.

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SaaS is not dead. You are just being sold the funeral

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The “AI has killed software” narrative has a handful of very loud beneficiaries and a lot of quiet evidence against it. The companies that will survive the next five years are the ones that refuse to treat the hyperscalers as the new gods.

Whenever I make an affirmation, I like to do my research first, and not to sound like a LinkedIn post. I wish more people in this industry did the same, as there is a prevailing mood where we think that big numbers are the whole story.


When the Black Death came among us, people probably thought it was the end. When wars came to our societies, people thought it was the end. Yet, in a strange way, we have a natural power to overcome obstacles and turn change to our advantage.

When AI started to infiltrate our work, and later our personal lives, a large group of people declared that “AI will replace people,” that this technology, not even particularly new, would conquer our brains, hearts, and work, and lead us where it wanted.

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Yet we are still working; people are still writing, thinking, creating, building.

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In the last two years, more and more people have been saying that “SaaS is dead.” Of course, this phrase came from someone’s mouth, someone with enough influence to shape general opinion, and everybody was already in black, ready for the funeral.

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In August 2024, Klarna’s chief executive, Sebastian Siemiatkowski, sat on an earnings call and mentioned, almost in passing, that the Swedish fintech had “shut down Salesforce.” Workday was next.

Klarna would build its own AI-driven replacements, a lightweight stack unshackled from the bloat of traditional enterprise software. The quote moved markets. Articles followed with headlines about the death of SaaS. Salesforce’s Marc Benioff, on stage at Dreamforce, was asked to respond to a customer who had apparently decided the future was AI and the past was his product. He looked, by his own admission, embarrassed.

Six months later, Siemiatkowski quietly clarified what had actually happened. Klarna had not replaced Salesforce with AI. It had replaced Salesforce with other SaaS: Deel for HR, third-party tools for CRM, the Swedish graph database Neo4j for data consolidation.

Klarna still uses Slack, which is still a Salesforce product. Siemiatkowski himself admitted on X that he was “tremendously embarrassed” by how the story had spiralled.

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“No,” he wrote, “we did not replace SaaS with an LLM.”

This is the single most instructive story in enterprise software of the past two years. The distance between what was said and what was done reveals the mechanics of the entire “SaaS is dead” narrative. The headline travelled. The correction did not.

An industry of analysts, venture capitalists, and foundation model CEOs built a year of marketing on the louder half.

Start by asking who gains from the story that software-as-a-service is being replaced by artificial intelligence, because the answer is surprisingly narrow. The hyperscalers do, because AI workloads justify the $660 to $690 billion in capital expenditure the five largest US cloud and technology companies have committed for 2026, according to Futurum Group analysis, nearly double the previous year.

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The foundation model labs benefit, because every dollar of enterprise software spend redirected to their APIs validates valuations that are otherwise difficult to defend. OpenAI ended 2025 at around $20 billion in annual recurring revenue. Anthropic crossed $9 billion in January 2026. These are genuinely large numbers. They are also, respectively, about three per cent and a little over one per cent of the hyperscaler capex being spent to serve them.

The venture capitalists benefit because their portfolio repricing depends on the narrative that AI-native companies will outrun the incumbents they once funded. And Nvidia, supplier and financier of the boom, benefits until it no longer does.

In March 2026, CEO Jensen Huang confirmed that his recent investments in OpenAI and Anthropic would likely be the last. The circular financing, Nvidia invests in OpenAI, OpenAI buys Nvidia chips, had reached the point where even the chipmaker was ready to stop calling it a virtuous cycle.

MIT’s Michael Cusumano, quoted by Bloomberg, put the arithmetic bluntly: “Nvidia is investing $100 billion in OpenAI stock, and OpenAI is saying they are going to buy $100 billion or more of Nvidia chips.”

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You could call that demand. You could also call it bookkeeping.

The 95% number that should have ended the hype

The harder question is whether any of this is producing business results. Here the data is less generous than the pitch decks.

In July 2025, MIT’s Project NANDA published “The GenAI Divide: State of AI in Business 2025”, based on 150 executive interviews, 350 survey responses, and analysis of 300 public AI deployments. Its headline finding: despite roughly $30 to $40 billion in enterprise generative AI spending, 95% of pilots delivered no measurable impact on profit and loss. Only 5% reached production.

The response from the industry was not to recalibrate. It was to argue that the wrong metric was being used. UC Berkeley published a rebuttal suggesting ROI was an “industrial-era” measurement unsuited to a “cognitive-era transformation.”

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This is what every hype cycle says in its late phase, that profit is a distraction, that what is being built is too large for ordinary standards. The same argument was made about WeWork, the metaverse, and blockchain.

Each time, the underlying assumption was that the people with capital and megaphones understood the future better than the people actually trying to run a business.

The 5% of AI projects that did succeed, MIT found, shared specific traits. They were built by specialised vendors, not attempted internally. They focused on back-office automation rather than sales theatre. They integrated deeply with existing workflows. Over half of enterprise AI budgets, meanwhile, were going to sales and marketing tools where ROI was lowest.

This is not a revolution sweeping through the enterprise. It is a lot of companies buying demo-friendly products that do not produce returns, while a minority does the unglamorous integration work that quietly extracts value.

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The collapse that did not collapse

Stil, I have to admit that there are genuine signs of stress in the SaaS market. In February 2026, roughly $285 billion in market value evaporated from software stocks in a single trading session, what Wall Street christened the “SaaSpocalypse.”

ServiceNow fell 7%. Intuit dropped 11%. LegalZoom lost nearly 20%. Salesforce is down approximately 30% year-to-date. The business rationale, that per-seat pricing starts to collapse when one employee with AI tools can do the work of five, is not wrong.

But Bain & Company, looking at the broader record, has offered a useful correction: technological transitions rarely produce extinction.

They produce heterogeneity. Desktop survived mobile. Cloud did not kill on-premise so much as push it into specialised niches. The history of software is a history of layers accumulating, not replacing.

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SaaS vendors are becoming agent-orchestration platforms. Salesforce has Agentforce. HubSpot has AI tools. Snowflake partners with Anthropic. The incumbents are being forced to adapt, but adaptation is not death.

IDC’s European practice framed it precisely in February: “SaaS is not dead, but it is metamorphosing.”

Pricing shifts towards outcomes. Interfaces become more agent-driven. But the real business logic, the auditing, versioning, compliance, and data gravity, remains where it was. The transformation is real. The extinction event is marketing.

The new gods are not new

Every major technology wave produces a brief period in which the companies at its centre are treated as reinventors of reality. For the cloud, it was AWS. For mobile, Apple. Before that, Microsoft.

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The rhetoric around big techs like Nvidia, OpenAI, Anthropic, Meta, and xAI has the same cadence: they are building the new infrastructure of civilisation, rewriting how humans work, inevitable. There is a grain of truth in it. AI, and agentic AI in particular, is a real technological step. 

The companies most likely to thrive are the ones already disciplined enough to recognise the pattern. Every enterprise that survived the dot-com crash, the mobile transition, and the cloud migration did so by adopting what was useful and ignoring what was hyped, by measuring outcomes against costs, by refusing to treat platform vendors as infallible.

The companies that went under bought the whole story: that their customers would wait while they rebuilt, that the new paradigm would reward early and total commitment.

We reported in February on a pattern now visible across dozens of SaaS companies between $20 million and $80 million in ARR: shipping AI features while net revenue retention quietly collapses.

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Eighteen months after going “AI-first,” one company watched its NRR drop from 108% to 94% and lost $2.8 million in renewals, not because the product got worse, but because everyone was building the future and nobody was watching the present. The AI features were legitimately good. The existing customers churned anyway.

None of this is an argument against AI. Previous AI cycles ended with research freezes, shuttered startups, and survivors who had been quietly doing useful work while everyone else claimed the moon. This cycle will likely end similarly.

Some hype will turn out to be real. Most revenue projections will not. A handful of current “AI-native” startups will become durable businesses. Many will be absorbed or exposed as wrappers.

The companies that come through refuse both extremes. They do not miss the trend, because dismissing AI in 2026 is as serious a strategic error as dismissing mobile was in 2010. And they do not drown in it. They do not empty their engineering teams into AI-first rebrands while their existing revenue base walks out the door. They do not treat the big tech companies as gods, but as what they are: very large commercial entities with very specific interests in what you believe about the future.

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Klarna, for the record, is still paying for SaaS. It is also still paying OpenAI. This is probably the honest shape of the future: not the death of anything, but a quieter rearrangement in which the winners are the operators who kept their feet on the ground while everyone else was watching the sky.

The funeral for SaaS has been extremely well-attended. The corpse, on closer inspection, is still breathing.

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NSA Using Anthropic’s Mythos Despite Blacklist

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Axios reports that the NSA is using Anthropic’s restricted Mythos Preview model despite the Pentagon insisting the company poses a “supply chain risk.” Axios reports: The government’s cybersecurity needs appear to be outweighing the Pentagon’s feud with Anthropic. The department moved in February to cut off Anthropic and force its vendors to follow suit. That case is ongoing. The military is now broadening its use of Anthropic’s tools while simultaneously arguing in court that using those tools threatens U.S. national security.

Two sources said the NSA was using Mythos, while one said the model was also being used more widely within the department. It’s unclear how the NSA is currently using Mythos, but other organizations with access to the model are using it predominantly to scan their own environments for exploitable security vulnerabilities.

Anthropic restricted access to Mythos to around 40 organizations, contending that its offensive cyber capabilities were too dangerous to allow for a wider release. Anthropic only announced 12 of those organizations. One source said the NSA was among the unnamed agencies with access. The NSA’s counterparts in the U.K. have said they have access to the model through the country’s AI Security Institute. Anthropic’s CEO met with top U.S. officials on Friday to discuss “opportunities for collaboration,” according to a White House spokesperson, “as well as shared approaches and protocols to address the challenges associated with scaling this technology.”

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Typing with your brain might soon be as simple as wearing a beanie

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Silicon Valley startup Sabi is the latest entrant to suggest using the brain as an interface device. The company is developing a noninvasive device that translates internal speech into text. Rather than relying on implanted hardware, Sabi is building a wearable device – initially in the form of a beanie,…
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Researchers are using ultrasound to trigger smell directly in the brain for VR

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Current systems emphasize sight and sound, with some progress in haptics. Smell remains largely absent, despite its unusually strong connection to memory and emotion.
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Flash Joule Heating Recovers The Good Stuff

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Rare earth materials are a hot button topic these days. They’re important for everything from electric vehicles to defence hardware, they’re valuable, and everyone wishes they had some to dig up in their backyard. Lithium, too, is a commodity nobody can get enough of, with the demand for high-performance batteries grows each year.

When a material is desirable, and strategically important, we often start thinking of ways to conserve or recycle it because we just can’t get enough. In that vein, researchers have been developing a new technique to recover rare earth metals and lithium from waste streams so that it can be put back to good use.

Get It Back

Enter the technique of flash joule heating. The method is relatively straightforward, in concept at least. It involves a high energy discharge from a capacitor bank, which is passed through a sample of material to be recycled or refined. The idea is that the rapid energy discharge will vaporize some components of the sample, while leaving others intact, allowing the desired material to be separated out and collected in a straightforward and economically-viable manner.  It does this in a manner rather contrary to traditional techniques, which often involve large amounts of water, acids, or alkalis, which can be expensive and messy to dispose of or reprocess to boot.

A flash joule heating apparatus used to recover rare earth materials. Credit: Jeff Fitlow, Rice University

Researchers from Rice have developed this technique to recycle rare earth metals from waste magnets. Imagine all the magnets that get thrown away when things like hard drives and EV motors get trashed, and you can imagine there’s a wealth of rare earth material there just waiting to be recovered.

In this case, the high-energy discharge is applied to waste magnet material in an effort to vaporize the non-rare earth components that are present. The discharge is performed in the presence of chlorine gas, which would chlorinate materials like iron and cobalt in the sample, removing the volatile elements and leaving the rare earth elements behind in solid form. Laboratory experiments were able to refine the material to 90% purity in a single step.

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In the rare earth case, the undesired material is vaporized and removed by the chlorine gas while the rare earths remain behind in the solid phase. For capturing lithium from spodumene ore, it’s the opposite. Credit: research paper

As per the research paper, lifecycle analysis suggested the technique could reduce energy use by 87% compared to contemporary hydrometallurgy recycling techniques, while also reducing greenhouse gas emissions in turn and slashing operating costs by 54%.

The technique can also be applied to separate lithium from spodumene ore. It’s an abundant material, particularly in the United States, and improved ways to process it could increase its value as a source of lithium. When it comes to processing spodumene with flash joule heating, the discharge of electric current makes the lithium in spodumene available to react with chlorine gas. The rapid heating causes the vaporized lithium to form lithium chloride which can be bled off, while other components of spodumene like aluminium and silicon compounds remain behind. It’s basically the opposite of the rare earth recovery method.

As outlined in the research paper, this method achieved recovery of lithium chloride with 97% purity and a recovery rate of 94% in a single step. It’s also a lot simpler than traditional extraction methods that involve long periods of evaporating brine or using acid leeching techniques. Indeed, the laboratory rig was built using an arc welder to achieve the powerful discharge. Other researchers are examining the technique too and achieving similar results, hoping that it can be a cleaner and more efficient method of recovery compared to traditional hydrometallurgy and pyrometallurgy techniques.

The lithium recovery process using flash joule heating. Credit: research paper

These methods remain at the research stage for the time being. Pilot plants, let alone commercial operations, are still a future consideration. Regardless, the early work suggests there is economic gain to be had by developing recycling plants that operate in this manner. Assuming the technique works at scale, if it makes financial sense and recovers useful material, expect it to become a viable part of the recycling industry before long.

 

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Coral raises $12.5M to automate healthcare’s administrative back office

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The New York startup has built AI that reads handwritten fax forms, processes prior authorisations, and completes patient intakes in under five minutes, all without asking providers to change how they work. It has reached multiple millions in revenue in under a year and is targeting 4x growth by end of 2026.


Coral, the New York-based AI startup automating administrative workflows for specialty healthcare providers, has raised $12.5 million in a Series A led by Lightspeed and Z47.

The company was founded in 2024 by Ajay Shrihari, a robotics and AI researcher, and Aniket Mohanty, who has a background in medical image processing.

In under a year of commercial operation, Coral has reached multiple millions in annual revenue and is targeting 4x growth before the end of 2026.

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The problem Coral is solving is not technological complexity, it is administrative volume. In American healthcare, every appointment generates a trail of prior authorisation requests, referral packets, insurance eligibility checks, and discharge paperwork.

Much of this flows through fax machines, which remain deeply embedded in clinical workflows despite being a technology from a previous era.

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Rather than attempting to replace fax infrastructure, an approach that would require providers to rebuild systems they cannot afford to rebuild, Coral connects to existing EHR systems, fax lines, and payer portals and automates around them.

Providers do not change how they work. Coral changes what happens inside that workflow.

The company began in the durable medical equipment sector, one of the most fax-intensive corners of outpatient care, where a single order can require multiple rounds of documentation before approval.

DASCO, a home medical equipment provider, has been an early customer, describing turnaround times dropping from hours or days to minutes.

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Coral then extended the same model into infusion centres, where a delayed authorisation means a missed dose, not a delayed appointment, and into specialty pharmacy.

In each new vertical, the same administrative bottleneck appeared in the same shape.
The product’s core capability is document understanding at healthcare’s specific level of messiness: handwritten fax forms, scanned insurance cards, prior authorisation templates, and payer portal screens.

Coral’s models have reached 99.7% accuracy across these document types, a threshold the company describes as the minimum viable standard for healthcare, where errors have clinical and financial consequences.

Complete patient intakes, including complex cases, now run in under five minutes. When information is missing, which is frequent in this environment, the platform coordinates with payers, patients, and referral sources to resolve the gap without requiring staff intervention.

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The strongest signal in the commercial story is not the revenue figure but the payment behaviour. A portion of Coral’s customers are paying the full contract value upfront, an unusual dynamic in enterprise software, and a striking one in a sector where vendor evaluation cycles are typically slow and risk-averse.

The explanation is mechanical: when a workflow that previously took hours completes in under five minutes at high accuracy, the return on investment is immediate and visible. Commit now, stop the queue now.

Coral recently shipped AI-powered voice and text workflows that automate follow-ups with payers, patients, and referral sources, replacing calls that previously required a staff member to pick up the phone.

The next phase of product development includes an AI workflow builder that will let providers design and deploy their own administrative processes without involving IT, and a co-pilot layer that surfaces operational intelligence from the data already flowing through the platform: which payers have the highest denial rates and why, where cases are stalling in the authorisation process, which referral sources convert reliably and which do not, and what changes would improve outcomes on insurance claim resubmissions.

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Rohil Bagga, investor at Lightspeed, described the company as “delivering real outcomes at scale” in an environment where legacy automation has historically failed.

Ashwin KP, investor at Z47, framed the investment thesis around the specific characteristics of healthcare administration: over a trillion dollars in annual overhead, chronically underserved by technology, and requiring deep vertical expertise to crack.

The Series A funds team growth and product development, with Coral adding engineering talent alongside people who have spent careers inside healthcare operations.

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iPhone Ultra Launch Ahead: Six Big Upgrades Expected

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Apple is expected to introduce its first foldable iPhone later this year, and early reports suggest it may be called the iPhone Ultra. Newest leaks from tipster Jon Prosser suggest the device could bring one of the biggest changes to the iPhone lineup in years, especially in terms of design and usability. Here are six major upgrades that the iPhone Ultra is expected to offer.

Foldable Design with a New Look

iPhone Ultra Front Design
Image: FPT

The iPhone Ultra is expected to come with a completely new foldable design. Instead of a regular smartphone shape, it may open like a book, giving users a much larger screen when unfolded. It will also have a wider design instead of the usual tall shape seen in other foldables. For example, while using the outside screen, the user will have a smaller screen measuring 5.3 to 5.5 inches. Once unfolded, the second screen will expand up to 7.8 inches, bringing the user experience closer to that of an iPad mini.

The use of a titanium frame may help make it durable while keeping it lightweight. Another key highlight is the expected crease-free inner screen, which could improve the overall viewing experience. In terms of looks, the device may be limited to black-and-white color options.

Like other folding phones, TouchID will probably find its way back. It’s much easier to use a fingerprint sensor on the power button than to integrate Face ID sensors into both displays.

Software & Camera Configuration

Camera design of the iPhone Ultra
Image: FPT

One of the key differences between the iPhone Ultra and Pro models is the camera configuration. Unlike other models, the iPhone Ultra will have only two cameras. One will be a primary camera with a 48 MP sensor, while the other will be an ultra-wide camera with a 48 MP sensor. Unfortunately, since there won’t be a telephoto lens, zooming options may be limited for the users. Besides, the dual screen will require two front-facing cameras.

The iOS 27 is likely to introduce new multitasking features designed for the iPhone Ultra. Among the expected improvements are multi-app functionality, where users can perform multiple functions simultaneously, and app designs that more closely match what the iPad offers, particularly when used on the inner display. It is not going to be iPadOS but rather selected elements from the operating system.

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Everything will be handled by the new A20 Pro chip, which may work on the 2nm manufacturing process. It’s very early to judge the performance numbers, but we are expecting the iPhone Ultra to feature 12 GB RAM and use the new C2 modem.

Expected Price

Apple is expected to position the iPhone Ultra as a premium product. The device is expected to start at around $1,999, making it Apple’s most expensive iPhone yet. However, since it offers both phone- and tablet-like experiences in a single device, some users may find the premium pricing justified.

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ASUS Drop Zone Service Now Available in More Cities Across India

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When Asus launched the Drop Zone program last year, it was seen as a commendable gesture to make repairs less taxing for consumers. Now, keeping in the same vein, Asus is expanding its Drop Zone initiative in India by adding 22 new stores to the network. The program, which allows users to submit laptops for servicing at ASUS Exclusive Stores instead of dedicated service centers, is now being rolled out across multiple regions, including Delhi NCR, Haryana, Karnataka, Kerala, Maharashtra, Tamil Nadu, Uttarakhand, Uttar Pradesh, and West Bengal.

What is Asus Drop Zone Service?

The Drop Zone initiative is designed to simplify the repair process by allowing customers to drop off and collect their devices at nearby ASUS stores. This eliminates the need to travel to service centers, which can often be inconvenient—especially for users in tier-2 and tier-3 cities.

With this expansion, ASUS is clearly trying to address common pain points like accessibility, turnaround time, and service transparency. Customers also get multiple service options, including carry-in support for immediate consultation, on-site servicing by technicians, and the Drop Zone model for easier logistics.

ASUS says it already has a wide after-sales network in India, with over 200 service centers and on-site support covering more than 17,000 pin codes across 761 districts. The Drop Zone expansion adds another layer to this ecosystem, bringing services closer to users. The company also offers 24/7 support through calls, chat, email, and remote troubleshooting. Speaking on the matter, Arnold Su, VP, Consumer and Gaming PC, System Business Group, ASUS India, said

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At ASUS, our focus has always been on delivering a reliable and consistent ownership experience that extends well beyond the product itself. The expansion of our Drop Zone initiative into 22 additional stores marks a significant step towards making after-sales support more accessible and transparent for our customers. Guided by our 4A framework, we remain committed to building a service ecosystem that is responsive, convenient, and aligned with evolving customer needs.

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Company discards 32GB server RAM sticks worth $20,000

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At current market prices, the hardware appears valuable. Comparable SK hynix registered DDR4 modules currently sell for about $287.95 each, putting the total value at more than $20,000. However, that figure reflects today’s pricing, not what the hardware was worth when it was removed from service.
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Klipsch OJAS kO-R2 Speaker Debuts at Milan Design Week 2026: Only 600 Pairs, Don’t Expect Them to Last Long

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Klipsch is returning to Milan Design Week 2026 with something that goes beyond another product launch; it’s a continuation of one of the more interesting collaborations in modern hi-fi. Following the limited-run kO-R1 in 2024, Klipsch and OJAS have officially unveiled the kO-R2, a new loudspeaker created with Devon Turnbull, the artist and acoustic designer behind OJAS, as part of Klipsch’s 80th anniversary.

That matters more than the usual show-floor debut. The first kO-R1 wasn’t just a speaker, it was a statement about where heritage audio could go when handed to someone outside the traditional engineering echo chamber. Turnbull approached Klipsch’s horn-loaded DNA with a minimalist, almost gallery-first mindset, and the result landed somewhere between serious hi-fi and functional art. It sold out quickly and didn’t need a stack of Audio Science Review graphs to justify itself. Turns out art and musical enjoyment still carry more weight than rigid objectivism.

The kO-R2 builds directly on that foundation. Klipsch and OJAS describe it as a blend of minimalist design, advanced acoustic thinking, and bespoke materials, with an emphasis on form that’s meant to live as comfortably in a design exhibition as it does in a listening room. There are no performance specifications or pricing details yet, which feels intentional. This isn’t being positioned as a spec war product; it’s being framed as a continuation of an idea.

ko-r2-loudspeaker-oak
Klipsch OJAS kO-R2

And that’s the real story. At a time when much of the industry is chasing incremental upgrades and feature checklists, Klipsch is doubling down on a collaboration that prioritizes identity, experience, and cultural relevance. Bringing the kO-R2 to Milan Design Week instead of a traditional audio show makes that point clear: this is as much about design language and audience expansion as it is about sound.

Whether the kO-R2 ultimately delivers on the acoustic side will come later. For now, Klipsch and OJAS have done something more difficult; they’ve made people outside the usual audiophile bubble pay attention. 

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Unveiled at Milan Design Week 2026

Set against the backdrop of the Fondazione Luigi Rovati, in partnership with USM Modular Furniture and Karimoku, Klipsch and OJAS are hosting curated, appointment-only listening sessions during Milan Design Week through April 26, 2026. Those who get access are encouraged to bring their own music, turning the kO-R2 preview into something more personal than the usual show-floor demo.

After its debut in Milan, a broader launch for the kO-R2 is expected in June 2026.

“Working with Klipsch continues to be an exploration of how we can strip audio down to its most essential, emotional core,” said Devon Turnbull. “With the kO-R2, we focused on creating something that feels immediate and human—where the technology disappears, and the listener is left with a pure, physical connection to the music.”

kO-R2 Design Concept

The kO-R2 is a two-way, sectoral horn-loaded loudspeaker positioned as the next step in the Klipsch x OJAS collaboration. It’s handcrafted in Hope, Arkansas, by the same team behind Klipsch’s legacy designs, and features an OJAS-developed multisectoral horn paired with Baltic birch cabinetry. The goal is clear: deliver the dynamic, low-distortion traits horn systems are known for, while presenting something that looks just as considered as it sounds.

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ko-r2-loudspeaker
Klipsch OJAS kO-R2 Loudspeaker in Hammertone Silver.

The core of the latest speaker design is the OJAS 1506 multisectoral horn, fabricated from heavy cast aluminum and finished with electrophoresis and a flat black powder coat.

The exponential horn pulls from classic Western Electric and Altec Lansing design cues, but it’s not a straight throwback. The square, isosceles trapezoidal mouth is doing real work here, controlling dispersion in both planes rather than just looking the part. The result should be more even frequency distribution and a wider, more stable listening window, which is exactly what these older horn concepts were chasing in the first place.

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The kO-R2 leans into a restrained, material-first design without skimping on the hardware. It uses a high-quality compression driver, anodized aluminum binding posts, and anti-vibration feet—nothing flashy, just components that make sense for a horn-loaded design like this.

Details like the laser-engraved metal ID plate add a layer of exclusivity without turning it into a gimmick, and the five-step high-frequency attenuator is there for a reason: dialing in top-end energy to match the room and placement, which matters more with horns than most speaker types.

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Calling it a “museum piece” isn’t entirely off base, but the real goal here isn’t to redefine audiophile expectations. It’s to bridge two worlds that don’t usually overlap this cleanly: serious acoustic design and industrial design that people actually want to live with.

The kO-R2 represents a powerful intersection of heritage and forward-thinking design. Partnering with Devon allows us to honor Klipsch’s 80-year legacy while pushing into new creative territory—delivering a product that is as culturally relevant as it is acoustically exceptional,said Vinny Bonacorsi, COO of Klipsch.

Klipsch OJAS Logo

The Bottom Line 

This isn’t a typical brand crossover. Klipsch is working within its core strength—horn-loaded design—while Devon Turnbull brings a different perspective on how these systems look and live in real spaces. The kO-R2 builds on the kO-R1 with a larger, more complex horn and a move to a floorstanding design, which should translate into greater scale and output.

There are still no detailed specifications or pricing, but the context matters. The kO-R1 launched at $8,498 per pair and sold out quickly. For the kO-R2, production is expected to be limited to around 600 pairs, so availability is going to be tight from the start.

It’s aimed at a specific buyer: someone who values both the design and the underlying acoustic approach, and who is comfortable buying into the concept without a full data sheet upfront. Between the prior pricing and limited run, this won’t be a mainstream Klipsch product—and that’s the point.

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Klipsch OJAS kO-R2 Loudspeakers
Klipsch OJAS kO-R2 Loudspeaker in Red Oak veneer.

Price & Availability

Once released (expected to be June 2026), 600 pairs of the kO-R2 will be available worldwide in either Red Oak veneer or Hammertone Silver with a powder-coated, matte-black horn. Price has yet to be announced

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