Technology
How micro-robots may soon treat your sinus infections
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A breakthrough in medical technology could soon change how sinus infections are treated. Scientists have created micro-robots for sinus infection treatment that can enter the nasal cavity, eliminate bacteria directly at the source, and exit without harming surrounding tissue. This drug-free, targeted approach may reduce our dependence on antibiotics.
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A woman with a sinus infection. (Kurt “CyberGuy” Knutsson)
What are micro-robots for sinus infection treatment?
These microscopic robots are smaller than a speck of dust. They are made of magnetic particles enhanced with copper atoms. Doctors insert them through a narrow duct in the nostril. Once inside, the micro-robots are guided by magnetic fields to reach the infected area.
At that point, a fiber optic light heats the particles and triggers a chemical reaction. This reaction breaks through thick mucus and destroys harmful bacteria at the infection site. As a result, treatment becomes faster, more precise, and far less invasive.
This latest advancement comes from a collaboration of researchers at the Chinese University of Hong Kong, along with universities in Guangxi, Shenzhen, Jiangsu, Yangzhou, and Macau. Their work, published in “Science Robotics,” has helped move micro-robotic medical technology closer to real-world applications.
Why use micro-robots instead of antibiotics?
Traditional antibiotics circulate throughout the entire body. In contrast, micro-robots target only the infected area. This reduces side effects and lowers the risk of antibiotic resistance. Furthermore, patients may recover faster because the treatment goes straight to the source.
A woman with a sinus infection. (Kurt “CyberGuy” Knutsson)
Are micro-robots safe?
So far, animal trials have shown promising results. Micro-robots successfully cleared infections in pig sinuses and live rabbits, without causing tissue damage. However, scientists still need to ensure that every robot exits the body after treatment. Leftover particles could pose long-term risks.
In addition, public acceptance remains a challenge. The idea of tiny machines inside the body makes some people uncomfortable. Nevertheless, experts believe those fears will fade over time.
What other uses are possible?
Researchers are already exploring how micro-robots could treat infections in the bladder, stomach, intestines, and bloodstream. Several teams around the world are working to make the technology more advanced and adaptable for deep internal use. If successful, these innovations could revolutionize the way we fight bacteria in the human body.
A doctor examining a woman with a sinus infection. (Kurt “CyberGuy” Knutsson)
Kurt’s key takeaways
The rise of micro-robots for sinus infection treatment marks a major shift in medical care. By offering precise, non-invasive therapy without antibiotics, this method could redefine how infections are treated. With continued research and testing, these tiny tools may soon become powerful allies in modern medicine.
Would you let microscopic robots crawl through your sinuses if it meant never needing antibiotics again? Let us know by writing to us at Cyberguy.com/Contact.
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Copyright 2025 CyberGuy.com. All rights reserved.
Technology
Roland’s Go:Mixer Studio turns your phone into a mobile music studio
Roland now offers a more capable audio mixer for phones and tablets with the launch of the Go:Mixer Studio. The Go:Mixer audio interface lineup has always been a bit limited, better suited for scrappy live streams and capturing quick demos on their phones than professional recording. The Go:Mixer Studio is an attempt to actually reach that lofty goal, with more inputs and outputs, built-in effects, and up to 24-bit / 192kHz audio. There’s even an iOS app that allows you to capture video and multitrack audio simultaneously.
Streaming and social video are still the major use cases here. The Go:Mixer Studio can even be mounted on a mic stand so you can keep it in easy reach during a live session. The screen and knobs allow you to control all the parameters on the Go:Mixer Studio directly, but there’s also a desktop app for Windows and MacOS that gives you complete control of the mixer remotely.
There’s plenty of connectivity, including two XLR inputs on the back with phantom power, a 1/4-inch instrument input for directly connecting a guitar or bass, stereo 1/4-inch line-in jacks, and an aux input. There’s also 1/8-inch TRS MIDI in and out, two headphone jacks, and stereo line outs for connecting to studio monitors. Each audio input has a dedicated EQ and compressor on the channel. The XLR and instrument ins also have reverb available.
The Go:Mixer Studio is available now for $299.
Technology
Alexa.com brings Alexa+ to your browser
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For years, Alexa mostly stayed in one place. It lived on kitchen counters, nightstands or living room shelves. That setup worked for music and timers, but it also limited when and how people could actually use the assistant. Now that is changing.
Amazon has rolled out Alexa.com, which brings Alexa+ directly to your web browser for Early Access users. Instead of relying on a speaker or phone, you can now open a laptop and start using Alexa like any other web-based AI tool.
This shift is less about new tricks and more about access. Alexa can now follow you throughout your day instead of waiting for you at home.
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CHATGPT HEALTH PROMISES PRIVACY FOR HEALTH CONVERSATIONS
Amazon’s Alexa is no longer tied to a smart speaker, with Alexa.com bringing the assistant and Alexa+ directly to the web browser for Early Access users. (Photo Illustration by Thomas Fuller/SOPA Images/LightRocket via Getty Images)
What Alexa.com actually is
Alexa.com is the browser-based version of Alexa+. You can type questions, explore topics, plan trips, organize tasks, or create content without touching a smart speaker. The biggest difference is continuity. Alexa keeps context across devices, so conversations carry over whether you are on your laptop, phone, Echo, or Fire TV. You do not have to repeat yourself every time you switch screens. That makes Alexa feel less like a command tool and more like an assistant that remembers what you are working on.
Who can use Alexa.com right now
Alexa.com is not open to everyone yet. To use it, you need:
- Alexa+ Early Access
- An Amazon account linked to a compatible Echo, Fire TV, or Fire tablet
- A US-based Amazon account
- Device language set to English, United States
Child profiles are not supported on the browser version. Older Echo devices will continue using the original Alexa.
What Alexa.com cannot do yet
Because Alexa.com is still in Early Access, it has limits that matter for everyday users. Right now:
- You can only type to Alexa in your browser
- Voice interaction is not supported on the web
- Music playback is not available
- Smart home controls are limited compared to Echo devices
Amazon says features will roll out gradually. Alexa.com is meant to complement your devices, not fully replace them yet.
Meal planning without juggling tabs
One area where Alexa.com feels genuinely useful is meal planning. You can ask Alexa for a full week of meals and set preferences like high protein, low sugar, or kid-friendly lunches. Alexa generates a plan and turns it into a shopping list. From there, items can be added directly to Amazon Fresh or Whole Foods. Instead of bouncing between recipes, notes and carts, everything happens in one place.
Organizing everyday life in one place
Alexa.com also works as a lightweight life organizer. You can upload documents, emails and images so Alexa can pull out key details. That includes appointments, reminders and schedules you would otherwise forget. Instead of searching your inbox, you can ask Alexa when the dog last went to the vet or what time practice starts tonight. The information stays available across devices.
Smart home access, with limits
Alexa.com keeps your smart home controls visible next to your chat window. While full smart home control is still limited in the browser, Alexa.com lets you check status, review activity and continue actions on your Echo or Fire TV devices. It is most useful as a bridge. You can start something in the browser and finish it at home without starting over.
Recipes that follow you into the kitchen
Alexa.com also simplifies cooking. If you find a recipe online, you can paste the link into Alexa and ask it to adjust for dietary needs. Alexa can save it, convert it into ingredients and add everything to your shopping list. When it is time to cook, Alexa can pull the recipe up on your Echo Show, guide you step by step and manage timers so your hands stay free.
5 TECH TERMS THAT SHAPE YOUR ONLINE PRIVACY
Alexa.com lets users type questions, plan trips, organize tasks and create content without relying on an Echo or smartphone. (Michael Nagle/Bloomberg via Getty Images)
Finding something to watch faster
Decision fatigue hits hard at night. On Alexa.com, you can explore movie themes, get recommendations and save picks for later. When you sit down, Alexa remembers your choices and sends them to your Fire TV. That cuts down on scrolling and family debates.
What about privacy
Using Alexa on the web raises natural privacy questions. Amazon says Alexa+ includes built-in protections and user controls. Still, it is worth taking a minute to review your settings, especially if you plan to upload documents or personal information. A few smart habits can help:
- Check your Alexa privacy settings and review stored activity
- Avoid uploading sensitive documents like IDs or medical records
- Use strong antivirus software to protect your device. The best way to safeguard yourself from malicious links that install malware, potentially accessing your private information, is to have strong antivirus software installed on all your devices. This protection can also alert you to phishing emails and ransomware scams, keeping your personal information and digital assets safe. Get my picks for the best 2026 antivirus protection winners for your Windows, Mac, Android and iOS devices at Cyberguy.com.
As with any AI assistant, convenience comes with trade-offs. Staying aware helps you stay in control.
How much Alexa+ will cost
Alexa+ is free during Early Access. When Early Access ends, you will not be automatically charged. After that:
- Alexa+ stays free with a Prime membership
- Non-Prime users can subscribe for $19.99 per month
This makes Alexa.com more appealing for Prime members and a tougher sell for everyone else.
What this means to you
For most people, Alexa.com is about convenience. If you already use Alexa at home, the web version makes it easier to use during the day. You can plan, organize or look things up from your computer and then pick up later on your phone or Echo. It also puts Alexa in the same category as other browser-based AI tools, but with deeper ties to shopping, smart home features and entertainment. Whether you stick with it will likely come down to how often you want Alexa to help you during your day.
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YOU CAN FINALLY CHANGE YOUR GMAIL ADDRESS WITHOUT LOSING DATA
Amazon says Alexa.com allows conversations to carry over across devices, giving users continuity between laptops, phones and smart home screens. (Photographer: Michael Nagle/Bloomberg via Getty Images)
Kurt’s key takeaways
Alexa.com does not reinvent Alexa. It simply makes it easier to use where people already spend time. By bringing Alexa+ to the browser, Amazon is betting that continuity matters more than novelty. For some users, that will be enough to make Alexa feel relevant again.
If Alexa followed you from your laptop to your living room, would you actually rely on it more, or would it still feel optional? Let us know by writing to us at Cyberguy.com.
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Technology
A second US Sphere could come to Maryland
The second US sphere would be built in an area known as National Harbor in Prince George’s County, Maryland. Located along the Potomac River, National Harbor currently features a convention center, multiple hotels, restaurants, and shops. While Abu Dhabi plans to build a sphere as large as the one in Las Vegas, the National Harbor venue would be one of the first mini-Sphere venues announced last March.
Its capacity would be limited to 6,000 seats instead of over 17,000. But the smaller Sphere would still be hard to miss with an exterior LED exosphere for showcasing the “artistic and branded content” that helped make the original sphere a unique part of the Las Vegas skyline.
The inside of the mini-Sphere will feature a high-resolution 16,000 by 16,000 pixel wrap-around screen, the company’s immersive sound technology, haptic seating, and “4D environmental effects.” For the AI-enhanced version of The Wizard of Oz currently playing in Las Vegas, audiences experience effects like wind, fog, smells, and apples falling from the ceiling.
The mini-Sphere will potentially also be cheaper to build than the $2.3 billion original, but its construction is contingent on the “receipt of certain governmental incentives and approvals from Prince George’s County and the State of Maryland.” Sphere Entertainment says the project “would utilize a combination of public and private funding, including approximately $200 million in state, local, and private incentives,” but would potentially generate millions of dollars in revenue for the country and state while supporting over 4,700 jobs once it opens.
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