Technology
Will a four-armed robot replace astronauts in space?
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Space changes the rules for almost everything, including how a robot should move. On Earth, legs help us stand, balance and walk across a room. In microgravity, those same legs lose much of their purpose.
That is why Orbit Robotics, an academic spinout from ETH Zurich, took a different approach with Helios. The robot was built with four arms so it can grip, brace and work inside a spacecraft. Two arms can hold on while the other two handle tools, cargo and equipment.
It is a smart design for a place where floating is easy and staying steady is the real challenge. Here is how Helios works and why it could change the way astronauts get help in orbit.
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IS THIS SPACE CAPSULE HOW WE WILL LIVE AND WORK IN ORBIT IN THE FUTURE?
Helios uses two arms to anchor itself while the other two move cargo, tools and equipment inside a spacecraft. (Orbit Robotics)
Why the Helios space robot has four arms
Helios uses two pairs of arms with different jobs. One pair can anchor the robot to interior surfaces. The other pair can handle tools, unload cargo, move equipment or perform other work inside a spacecraft.
That setup is important because stability and work need to happen at the same time in orbit. A floating robot cannot casually plant its feet, bend over and pick something up. It needs to hold on while it works.
That is where Helios makes sense. Two arms can keep it steady while the other two get the job done. In microgravity, legs become extra hardware unless they can grip, brace or manipulate objects. Helios skips that problem by turning the whole body into a tool for movement and work.
How this four-armed space robot works
Orbit Robotics says Helios uses a tendon-driven system. Instead of placing motors at every joint, the robot keeps many of those motors closer to the shoulders. Cables and pulleys then transmit force through the arms.
That design can reduce weight at the ends of the limbs. In space, heavy limbs can create awkward movement. A robot also needs control, especially when it is holding cargo or tools near expensive equipment.
Helios also uses a rolling-contact elbow joint. That may sound like a tiny detail. In orbit, it can make a big difference. A sudden jerk could destabilize the robot. It could also send whatever the robot is carrying drifting across a spacecraft. Smooth movement becomes a safety feature.
How IKARUS helped shape Helios
Before Helios, the team built an earlier robot platform called IKARUS. That project helped test ideas such as teleoperation, imitation learning and dual-arm manipulation. In other words, IKARUS gave the team a way to learn how a robot could move, copy tasks and handle objects in a space-like setting.
Those lessons helped shape Helios. That is important because space hardware rarely gets a second chance. A robot designed for orbit has to be reliable, compact and useful in cramped conditions. It also has to behave predictably around humans. Helios builds on that earlier work with a body that better fits the environment.
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Why astronauts need robotic help in orbit
Orbit Robotics says its mission is to free astronauts, not replace them. That sounds reassuring. It also makes practical sense. Astronauts are highly trained people doing some of the most expensive labor imaginable. Yet a major chunk of crew time aboard the International Space Station goes toward maintenance.
Some estimates put maintenance at roughly 35% of crew time. At an estimated $140,000 per astronaut-hour, basic logistics can become shockingly expensive. That means sorting supplies, moving equipment or handling routine work can carry a huge price tag. Helios does not need to be a genius to help. It needs to move through narrow corridors, stay stable without gravity and manipulate objects with care. That is the point of the design.
Orbit Robotics built Helios with four arms so it can grip, brace and handle tools inside spacecraft in microgravity. (Orbit Robotics)
What Helios could do in space
The first job for Helios appears focused on interior spacecraft work. That could include unloading cargo, helping manage supplies, moving gear and assisting with routine maintenance. Those jobs may sound boring. In orbit, boring tasks still take time, training and attention.
Over time, Orbit Robotics sees a broader role for robots like Helios. That could include satellite servicing. It could also include in-space construction as commercial stations and orbital habitats become more common.
If launch costs keep falling, more equipment will head into orbit. More hardware means more maintenance. More stations mean more logistics. That creates a clear opening for robots like Helios, built for space from the start.
Why robots may take on more space work
Human spaceflight still captures the imagination. It always has. However, the human body has serious limits in space. Astronauts can face radiation exposure, bone loss, vision problems and cognitive effects linked to fluid shifts in the brain.
Those risks grow during longer missions. Robots do not need air, food, sleep or radiation protection in the same way humans do. They can also take risks that would be unacceptable for astronauts.
That does not make astronauts obsolete overnight. Still, it changes the conversation. If machines can handle more work in orbit, humans may spend less time on routine tasks and more time on science. That could mean more attention on research tied to aging, cancer treatments, organ bioprinting and other experiments that benefit from microgravity.
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If commercial space stations grow, they will need constant care. Cargo will need to be sorted. Equipment will need to be moved. Structures may need inspection or repair. Satellites may need servicing. Future habitats may need robots that can assemble, maintain and adapt.
That is where a machine like Helios becomes more than a cool prototype. It could become part of the labor force that keeps space infrastructure running.
The big question is whether humans remain at the center of that work or move into a more selective role. We may still send astronauts into orbit, but their jobs could change dramatically.
Instead of doing every task by hand, they may supervise robots built for a place where the human body struggles.
The four-armed Helios robot was designed for zero gravity, where legs are less useful than gripping and bracing. (Orbit Robotics)
What Helios could mean for future space robots
Engineers are starting to design machines for specific environments instead of forcing them into human-shaped bodies. That shift could affect more than space exploration.
On Earth, robots already work in warehouses, factories, hospitals and disaster zones. In each case, the best design may not look human. It may look strange, specialized and a little unsettling.
Helios shows why that can be a good thing. A robot built for its environment can work more efficiently. It can also take on risky jobs and help humans focus on work that needs judgment, creativity or science training.
For space, that could mean safer missions. It could also mean fewer astronauts spending precious hours on routine maintenance.
Kurt’s key takeaways
Helios stands out because it was built for the place it is meant to work. In orbit, walking offers very little help. Gripping, bracing and handling equipment become much more important. That is what makes the four-armed design so practical. It gives the robot a way to hold on while it works, which is exactly what astronauts need in microgravity. Orbit Robotics says Helios is meant to help astronauts, not replace them. Still, this robot raises a bigger question. As machines grow more capable, they could take on more of the risky and repetitive work beyond Earth. That could give astronauts more time for science, discovery and decisions that need human judgment. It could also change how we think about sending people into space in the first place.
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Would you rather see astronauts doing the work in orbit, or robots taking over the risky stuff? Let us know by writing to us at Cyberguy.com
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Android 17 is getting a dedicated gaming mode for foldables that will put a virtual gamepad with touch controls on half of your screen to theoretically make it easier to play games.
With foldable gaming mode, which is set to launch in the coming months, the virtual controller emulates physical button presses at a system level and is designed to work “with any game that supports physical controllers,” says Google’s Mishaal Rahman on Reddit. For the actual inputs, the virtual controller will have a D-pad; left and right virtual sticks; A, B, X, and Y buttons; L1, L2, L3; R1, R2, and R3; and a start button. And you’ll be able to configure the gamepad in several ways, such as keeping the virtual joysticks inline or staggered from each other, scaling the size of the buttons, and toggling haptics on or off.
Turning on the mode “is as simple as unfolding your device, either before or after launching a compatible game,” Rahman says. You can also choose to hide the gamepad, and if you connect a physical controller, the virtual gamepad will turn off on its own.
“Android allows you to play a wide variety of games on the go,” says Rahman. “While touch controls work incredibly well for many titles, certain games are better enjoyed with physical gamepads. The problem is that carrying a Bluetooth controller or a snap-on gamepad with you everywhere isn’t always convenient. We want to bridge that gap, and we’re addressing it with a new feature in the Android 17 platform release that’s specifically tailored for foldable devices.”
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A letter arrives about a debt you don’t remember, from a company you’ve never dealt with, for an account you never opened. For a growing number of people, that notice is how they first learn someone used their identity.
Complaints to the Consumer Financial Protection Bureau (CFPB) about attempts to collect a debt not owed rose about 115% above their prior two-year average in 2025, and many of those consumers reported balances they didn’t recognize and suspected identity theft.
Before you panic or pay, it helps to understand why these letters show up and what rights you have.
WHY LAST YEAR’S BREACH IS THIS YEAR’S IDENTITY FRAUD
A collection letter for a debt you do not recognize can be the first sign that someone used your identity. (John Carl D’Annibale /Albany Times Union via Getty Images)
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Why debt collectors contact you about a debt you do not owe
When a charged-off account is sold to a collection agency, the agency receives the original creditor’s application file, including whatever identifiers were used to open it. That contact information is often 90 to 180 days out of date by the time the account changes hands.
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Before the first call, the agency runs skip tracing: matching a name, Social Security number (SSN) and past addresses against public records, postal change-of-address data, property and utility records and data-broker files to find the current person behind the account. At bulk volume, each lookup costs the agency pennies.
The agency then contacts you directly, by phone or mail, whether or not you have looked at your credit file.
How fake debt can start with identity theft
The account behind the notice may have been opened with your information pulled from breaches and resold, then approved by an automated check that matched the data to an existing file without confirming that the applicant was you. Opening a new account is the leading form of attempted identity misuse reported to the Identity Theft Resource Center (ITRC), which counted it more often than takeovers of accounts people already held. What happens after is less understood.
10 SIGNS YOUR PERSONAL DATA IS BEING SOLD ONLINE
Charged-off debts, including fraudulent ones, are sold in bulk portfolios for pennies on the dollar, often with thin supporting paperwork. One fraudulent balance can be sold and resold across several agencies. A debt you dispute and clear with one collector can be repackaged and reappear with another months later.
With medical debt, a bill can sometimes move toward collections before you see every explanation of benefits, insurance update or corrected statement. That is why you should contact the provider and your insurer before paying a collector.
What debt collectors legally have to tell you
Federal law gives you a defined response, and the clock starts at first contact. Under the CFPB’s Regulation F, a collector must send a validation notice describing the debt and your rights in, or within five days of, its first communication with you.
5 MYTHS ABOUT IDENTITY THEFT THAT PUT YOUR DATA AT RISK
You have 30 days from receiving that notice to dispute the debt in writing under the Fair Debt Collection Practices Act (FDCPA). Dispute inside that window, and the collector must stop collecting until it verifies the debt.
One important note: the FDCPA generally covers third-party debt collectors, not every original creditor. However, credit reporting laws, identity theft protections and state laws may still give you rights.
If the debt came from identity theft, send the collector an FTC Identity Theft Report from IdentityTheft.gov. Also, tell the collector in writing that you dispute the debt, that it resulted from identity theft and that you want it to stop reporting the account to the credit bureaus.
IS YOUR SOCIAL SECURITY NUMBER AT RISK? SIGNS SOMEONE MIGHT BE STEALING IT
Ask Equifax, Experian and TransUnion for a block under Section 605B of the Fair Credit Reporting Act (FCRA).
With a valid identity theft report and proof of your identity, the bureaus must block the fraudulent item within four business days. A block is harder to reverse than an ordinary dispute, which counts when the same debt can be resold.
The CFPB has said it may expand the meaning of identity theft under Regulation V to cover “coerced debt,” money run up in someone’s name without their consent, including in domestic and elder abuse cases.
What to do before you pay a debt collector
Before you send money or confirm any personal details, slow down and make the collector prove the debt belongs to you.
1) Ask for proof in writing
Do not pay, promise to pay or give out more personal information during the first call. Ask for the validation notice in writing and save every letter, voicemail and call log. Then send a written dispute within 30 days.
Fake debts can start with stolen personal information and then move from one collection agency to another. (PixelsEffect/Getty Images)
2) File an identity theft report if the debt looks fake
If you believe identity theft caused the account, create an FTC Identity Theft Report at IdentityTheft.gov. Send copies to the collector, the original creditor and all three credit bureaus. Also, place a fraud alert or credit freeze with Equifax, Experian and TransUnion, so it becomes harder for someone to open another account in your name.
3) Check medical bills before paying a collector
With medical debt, contact the provider and your insurer before paying a collector. Ask for an itemized bill and an explanation of benefits. A medical bill can end up in collections while paperwork, insurance reviews or billing disputes are still catching up.
4) Respond quickly if a collector sues you
If a collector sues you, do not ignore the papers. Respond by the court deadline or contact a consumer law attorney or legal aid group. Even a debt you do not owe can create bigger problems if you miss a court deadline.
Why early fraud alerts can save you money
Once a fraudulent account charges off and sells, cleanup gets harder. You may need to dispute the debt with the collector, the original lender and all three credit bureaus. If someone resells the debt, the same problem can come back months later.
YOU HAVE A CREDIT FREEZE. IT STILL ISN’T ENOUGH
Credit monitoring can help you spot a new account or hard inquiry before the debt reaches collections. That gives you time to contact the lender, dispute the account and freeze your credit sooner.
No service can prevent every account opened in your name. However, three-bureau credit monitoring can alert you when lenders report new accounts or hard inquiries. That can help you act before a collections notice arrives or a lender denies you credit.
See my tips and best picks on Best Identity Theft Protection at CyberGuy.com.
Kurt’s key takeaways
A collection letter for an unfamiliar debt deserves a closer look. It may mean someone opened an account in your name. Do not pay just to stop the calls. Ask for written validation and dispute the debt fast. If someone misused your information, file an FTC Identity Theft Report. Then freeze your credit and check all three credit reports. Early alerts can help you catch fraud before collections begin. That can save you money, time and stress.
Have you ever gotten a collection letter or call for a debt you knew you did not owe, and what did you do first? Let us know by writing to us at CyberGuy.com.
Before paying a collector, ask for written proof, dispute the debt and file an FTC Identity Theft Report if fraud is involved. (Daniel de la Hoz/Getty Images)
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Copyright 2026 CyberGuy.com. All rights reserved.
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