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A wheeled robot may beat humanoids into your home

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A wheeled robot may beat humanoids into your home

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A new wheeled robot could help people at home before many humanoid robots are ready for everyday use. That is the big idea behind Hello Robot’s Stretch 4. While many companies are developing human-shaped robots that walk, balance and try to act like us, Stretch 4 takes a different route. It rolls.

That may sound less exciting at first. However, inside a real home, wheels may make more sense than legs. Homes have rugs, cords, pets, narrow hallways, tight corners and furniture that always seems to get in the way.

A robot that can move carefully through that mess and reach for useful objects could become more helpful than one that looks impressive in a social media video.

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Stretch 4 uses a lifting column and extendable arm to reach objects at different heights around a home or workplace. (Hello Robot)

Stretch 4 focuses on safe movement, reaching and practical assistance in homes and workplaces. That could make it one of the more realistic ways to build a robot that actually helps people where they live.

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What is Hello Robot’s Stretch 4?

Stretch 4 is a mobile robot designed to help indoors. It looks more like a slim rolling assistant than a humanoid robot. That design choice is intentional. The robot has a wheeled base, a lifting column and an arm that can reach for objects. It is built with tools for mapping, navigation, self-charging and VLM grasping demos.

Hello Robot presents Stretch 4 as calibrated, portable and deployable. However, its technical sheet also says it is currently intended for research, development and laboratory use. Researchers and enterprise customers can buy it now. The company also plans home pilot deployments. That real-home testing is important. A staged demo can look great online. A hallway with a rug, a laundry basket and a dog is a much better test.

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Why this wheeled home robot skips legs

Humanoid robots get plenty of attention because they look familiar. They also make it easy to imagine a machine moving through your home like a person. However, legs add risk and complexity.

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A bipedal robot has to balance. It has to manage many moving parts. It also has to avoid falling near people, furniture and pets. Stretch 4 takes a simpler route. It uses wheels.

That choice makes sense for many homes, especially homes adapted for people with mobility challenges. If someone already uses a wheelchair, the home may already work well for a robot that rolls. So the question becomes pretty simple. Why make a robot walk if rolling works better?

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How Stretch 4 moves through tight spaces

One of the biggest upgrades in Stretch 4 is its omnidirectional base. That means it can move in any direction without turning first. That could make a big difference in tight rooms.

Think about a robot trying to move near a bed, chair, kitchen island or wheelchair. A machine that can slide sideways may be easier to control. It may also be safer to position.

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Hello Robot spent months developing this new base. The company used newer omnidirectional wheel technology that came from powered wheelchairs. That connection fits the mission. A home assistive robot should borrow from designs that already help people move.

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Why Stretch 4 uses stronger sensors

Stretch 4 also gets a more advanced sensor setup. Earlier versions had a smaller moving head. Stretch 4 now uses lidar and cameras with a wider field of view. It also has a wrist-mounted depth camera to help with reaching and grabbing. Those sensors help the robot understand what is around it. They also help it avoid obstacles and handle objects with more care.

Hello Robot appears to be choosing richer data over a cheaper camera-only setup. That could help the robot work more safely in homes, where things change constantly. A cord may cross the floor. A rug may bunch up. A threshold may get in the way. A useful home robot needs to see enough to react.

Stretch 4’s sensor-packed head helps the robot see its surroundings as it navigates tight indoor spaces. (Hello Robot)

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Why human control still plays a role

Stretch 4 includes autonomous features, but Hello Robot keeps a human involved. That can mean direct control. It can also mean a person supervises while the robot handles certain actions on its own. That approach feels realistic for home care.

Fully autonomous home robots still face a tough road. Homes are personal, unpredictable and often cluttered. People also need time to trust a machine that works near them every day. With Stretch 4, a person can stay involved. That could make early home use safer and more practical.

Who Stretch 4 could help first

Stretch 4 may have its strongest early impact with people who have severe mobility impairments. That is where a home assistive robot could offer real value. Picking up a dropped item can become a big deal when someone has limited movement. The same goes for moving an object across a room or reaching something on a shelf. Small tasks can affect independence.

Hello Robot has worked with Henry Evans, who is paralyzed and cannot speak. Evans uses a computer to control robots and has tested assistive robots in his home for years. His view cuts through the hype. For someone who cannot walk, a robot with legs may offer little benefit. A stable wheeled robot may do the job better.

Why safety could decide the home robot race

Safety may decide which robots actually make it into our homes. A robot in a factory works in a controlled space. A robot in your home works near people, pets, furniture and medical equipment. That raises the stakes.

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Stretch 4 includes safety features such as force limiting, collision avoidance, tilt avoidance and a dedicated runstop button. A humanoid robot faces a harder problem. If it loses balance or stops suddenly, it could fall. That creates a real concern around older adults, caregivers and people who cannot move quickly.

That risk may explain why a less flashy robot could reach homes sooner. A robot that helps safely beats a robot that looks cool on video.

How much does Stretch 4 cost?

Stretch 4 costs $29,950. That is a lot of money, especially if you are thinking about it as something for the average home. However, this version is not aimed at everyday folks just yet.

Hello Robot says Stretch 4 is currently only certified for laboratory and research use while the company works toward additional certifications. The company also notes that some purchases may be restricted under the DoD 1260H designation, depending on the use of certain government funds.

For now, Stretch 4 is more likely to appeal to researchers, care organizations and pilot programs that want to test what a wheeled robot can actually do.

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Those early deployments could help Hello Robot improve the system before a future version reaches our homes.

What this means to you

The first truly helpful home robot may look nothing like an actual person. It may roll into the room. It may use one arm. It may look more like a tool than a character from a cartoon. That could all be a good thing.

A home assistive robot should help with real tasks. It should move safely, reach carefully and work in the spaces people already use.

For families caring for someone with limited mobility, that could become meaningful. A robot that helps someone grab an item or complete a simple task could support more independence at home.

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For the rest of us, Stretch 4 is a reminder that the first useful home robot may not be the one that looks the most human. It may be the one that can safely help with the small tasks that make daily life easier.

Kurt’s key takeaways

Stretch 4’s wheeled base and low-reaching arm show why rolling robots may work well in real homes. (Hello Robot)

Stretch 4 will not win a robot beauty contest. It will not walk through your house like a person. It will not look like the humanoid robots taking over social media feeds. Yet it may be closer to what you actually need. Hello Robot seems focused on a more grounded goal: build a robot that can help safely inside real homes. That may sound less exciting than a humanoid helper. However, it could mean far more to someone who needs daily help. And if Stretch 4 proves itself in homes, humanoid robot companies may have to answer a tougher question.

Would you rather have a robot that looks human or one that can safely help you at home? Let us know by writing to us at Cyberguy.com

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Nintendo’s Switch 2 bundle that includes a game is $50 off

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Nintendo’s Switch 2 bundle that includes a game is  off

Discounts on the Nintendo Switch 2 are rare, but they do happen on occasion. There’s one happening now, actually, on the company’s $499.99 console bundle that includes a digital game (Mario Kart World, Donkey Kong Bananza, or Pokémon Pokopia). Usually, the bundle saves you $20 or $30, depending on the game you choose, but for $449.99 at Amazon, Nintendo is effectively giving a game to you for free.

If you’re considering grabbing a Switch 2, I highly recommend doing so now. The biggest motivator (aside from its great selection of games and near-complete compatibility with original Switch games) is that the console will get a price hike in September, going from $449.99 to $499.99. Also, it’s not clear if it will continue to include a discounted game with purchase at that point. So, you’re getting more value at $449.99 here than ever before.

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Humanoid robots perform live surgery in world first

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Humanoid robots perform live surgery in world first

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Humanoid robots have officially stepped up to the operating table, helping complete two surgeries for the first time. During the preclinical trial, surgeons remotely guided the machines through two gallbladder removal procedures. The robots copied the surgeons’ movements rather than making medical decisions, and no human patients were involved.

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Unlike bulky robotic systems fixed in place, these five-foot machines used standard surgical tools and worked inside an operating room built for people. The experiment offers an early look at how a specialist could someday operate through a mobile robot in a rural clinic or another place where surgical care is hard to reach. Here is what the team accomplished and what still needs to happen before this technology reaches human patients.

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Researchers say mobile humanoid robots could someday help bring specialist surgical care to rural clinics, field hospitals or remote locations. (UC San Diego Jacobs School of Engineering)

Two humanoid robots completed live surgeries

Researchers from the University of California San Diego reported the results in the journal Nature earlier this month. The team tested its system during two laparoscopic gallbladder removal procedures on pigs.

During one operation, a humanoid robot handled surgical instruments while a human surgeon assisted beside it. During the second procedure, two humanoid robots stood next to each other and worked as a team. Surgeons remotely controlled both robots throughout the operation. The experiment involved delicate tasks used during minimally invasive gallbladder surgery. The robots moved tissue and dissected around the gallbladder. They also helped place clips before removing it.

Researchers designed the trial as a proof of concept. They wanted to learn whether a general-purpose humanoid robot could handle standard surgical tools with enough control to complete an operation. It could. However, the trial also exposed problems that researchers must solve before testing the system on humans.

The trial marked the first time teleoperated humanoid robots successfully completed live gallbladder surgeries. Robotic gallbladder procedures have been performed before, but this experiment was the first to use general-purpose humanoid machines. The work builds on UC San Diego’s earlier research with the same type of robot. CyberGuy previously covered how a remotely controlled humanoid performed seven medical procedures, including physical exams and ultrasound-guided injections.

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How these humanoid robots fit into a standard operating room

The researchers created Surgie by modifying commercially available Unitree G1 humanoid robots. Each machine stands about 5 feet tall and weighs around 60 pounds. That makes Surgie dramatically smaller than many existing robotic surgery systems, which can weigh approximately 1,800 pounds.

Large surgical robots may require extensive setup and take up considerable space. Hospitals sometimes need to retrofit an operating room before installing one. Surgie can stand in a room designed for human medical workers. Researchers added adapters to its hands so the robot could grip standard laparoscopic instruments.

A surgeon then controlled the robot from a remote console. When the surgeon moved the controls, Surgie copied those movements at the operating table. That human-like design is important. A hospital may be able to bring the robot into an existing room instead of rebuilding the space around it. A medical team could also move it between rooms or transport it to a smaller facility. “We were surprised at how well Surgie meshed with our workspace and workflow,” said Nikita Thareja, MD, a general surgery resident at UC San Diego School of Medicine and a co-author of the study.

Unitree currently lists the base G1 at $13,500 before taxes and shipping. However, that price does not include the surgical adapters, instruments or remote-control equipment used in the study. The price still points to a potentially significant difference between a general-purpose humanoid and today’s specialized surgical systems. Da Vinci surgical robots can cost from about $700,000 to more than $3 million, depending on the model and configuration. Researchers have not disclosed the total cost of the complete Surgie setup.

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UC San Diego researchers remotely guided humanoid robots through two gallbladder surgeries on pigs in a preclinical trial.d (UC San Diego Jacobs School of Engineering)

Why use a humanoid instead of a surgical robot?

Modern robotic surgery systems already help doctors perform highly precise procedures. However, those machines usually stay in one location and depend on specialized equipment. A humanoid robot offers more flexibility because it can operate in spaces built for medical workers. It can also hold tools designed for human hands.

Researchers believe future versions could retrieve an instrument during surgery. The robot might also help prepare or clean the room after a procedure. Most importantly, a mobile system could potentially bring a specialist’s skills to an area where surgeons are difficult to find.

Michael Yip, a professor in UC San Diego’s Department of Electrical and Computer Engineering, said remotely operated humanoids could expand access to critical procedures. Researchers envision sending the robots to communities with limited medical staffing or temporary field hospitals.

The goal isn’t to hand medical decisions to a machine. A trained surgeon would remain in control while the robot carried out those movements at the patient’s location. That could give a trauma team on a battlefield access to a specialist located far away. The same approach could help a patient in a remote town avoid a long trip to a major medical center. Researchers have even discussed using the technology during future space missions.

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That idea is already moving beyond the laboratory with traditional surgical robots. In March, we reported on a London surgeon who remotely removed a patient’s prostate cancer from 1,500 miles away. The difference is that the London procedure used a specialized surgical platform. Surgie could eventually offer a smaller system that works inside a standard operating room.

The robots still needed plenty of help

The successful procedures do not mean hospitals are ready to start using humanoid robots on patients. Researchers had to recalibrate the robots several times during surgery. The operations also took much longer than procedures performed with established surgical systems.

Latency presents another concern. Latency is the delay between a surgeon moving a controller and the robot responding. A slight lag may feel annoying during a video call. During surgery, even a small delay could affect precision. That challenge becomes more serious when the surgeon and robot are separated by a long distance.

Researchers will need to improve the robot’s reliability and response time. They must also prove that the system can repeat its performance safely across many procedures. Hospitals would need a backup plan as well. A qualified surgical team would have to remain ready to step in if the robot stopped responding or the remote connection failed.

Could a humanoid robot eventually operate on its own?

For now, human surgeons control Surgie’s movements. The UC San Diego researchers eventually want to develop what they call an autonomous surgical assistant. That type of robot could recognize which tool a surgeon needs or complete a limited task under supervision.

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Researchers elsewhere are already testing a different approach to autonomous surgery. CyberGuy previously covered an AI-powered robot that independently completed a key phase of gallbladder removal on a lifelike surgical model. However, operating on a living patient presents a much greater challenge. Bleeding can begin without warning. A patient’s condition can also change in seconds.

A robot would need to recognize the problem and respond safely. Medical workers must also be able to take control immediately. Autonomous surgery raises difficult questions about responsibility. Hospitals would need clear rules covering who makes each decision and who is accountable when something goes wrong. Remote operation introduces another concern. Hospitals would have to protect the robot’s software and communications from unauthorized access. At the same time, the system would need to continue operating safely during a connection problem.

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Surgeons controlled the humanoid robots from a remote console while the machines copied their movements during live procedures. (UC San Diego Jacobs School of Engineering)

What this means to you

You will not see a humanoid robot independently performing your next surgery. This research remains at the preclinical stage, and the team tested the system on pigs rather than humans. Still, the experiment offers an early look at where robot-assisted medicine may be headed.

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A mobile surgical robot could eventually give you access to a specialist without requiring a long trip. It may also help a smaller hospital offer procedures that currently require transferring patients elsewhere. However, access should never come at the expense of safety. Before agreeing to a robot-assisted procedure, you should know who controls the machine. You should also ask what happens if the connection fails and whether a qualified surgical team will remain in the room. The robot may hold the instrument, but human judgment remains the most important part of the operation.

Kurt’s key takeaways

Watching two humanoid robots work over an operating table may make you uncomfortable. Still, the technology could address a serious healthcare problem if researchers can make it reliable and safe. Many communities struggle to attract enough surgeons. A compact robot that works with standard instruments could let a distant specialist enter the operating room without physically traveling there. The comparatively low starting price of the base robot could also make this approach easier to deploy than some specialized surgical systems. This experiment remains an early milestone. The robots needed recalibration, and the operations took longer than usual. Communication delays also remain a concern. The researchers now need to prove that Surgie can perform consistently before anyone considers human trials. Hospitals will also need strict safety protections and trained medical workers ready to take over.

Would you let a surgeon operate through a humanoid robot if it cut months off your wait for care? Let us know by writing to us at CyberGuy.com.

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Microsoft tests Windows Search without all the ads and fluff

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Microsoft tests Windows Search without all the ads and fluff

Microsoft is testing a cleaner version of the Windows 11 search menu that strips it of recommended content and ads. In a blog post on Monday, Microsoft announced that it’s rolling out the decluttered Search Box to Windows Insiders in the Experimental channel as the company looks to regain trust with users and fix Windows.

One of the biggest changes is a revamped search homescreen that displays only your recent searches. Currently, when you open the search menu, it shows your recent searches alongside several distracting tiles on the right pane, containing things like the image of the day, daily quizzes, trending searches, and game recommendations.

Microsoft is cleaning up web results, too, as the search menu will surface the “most relevant answer” first, rather than showing “related products and promotions.”

Aside from doing some decluttering, Microsoft is testing other notable improvements to its search menu. It will more clearly show metadata, along with a preview of the file in the pane on the right side of the search menu, making it easier to figure out where the result came from. The Windows 11 search system will also prioritize results from your local files, apps, and settings, which will “more reliably appear” ahead of web and Microsoft Store recommendations. Testers can now turn off web and Store recommendations entirely from the Settings menu.

There are a few quality-of-life updates, too, as Microsoft says the search system it’s piloting can better handle typos, extra letters, and partial words, while offering some performance improvements.

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