Tech
I’m a Chronic Sloucher. These Posture Correctors Changed That
Compare Top 5 Posture Correctors
How We Test Posture Correctors
We tested each posture corrector, wearing them through the routines of daily life—from sitting at a desk to running errands and working out—for both short and long periods, over several months. No one wants to feel like they’re strapped into armor, so we evaluated wearability by focusing on comfort, breathable materials, and adjustability. Material quality was a priority, and we kept an eye out for signs of wear or damage after consistent use. Size inclusivity was another major factor; we sought options that catered to a range of body types. To ensure accessibility, we also made sure to test different types of posture correctors, from traditional braces to supportive bras and tech-enhanced wearables. Since there isn’t much clinical data comparing these gadgets, we learned by firsthand experience: Did we personally feel a noticeable difference in our posture?
More Accessories to Try
Photograph: Branch
Branch Adjustable Laptop Stand for $65: If you work at a desk, a simple change is to set it up to be as ergonomic as possible. This laptop stand from Branch is our favorite. It’s easily adjustable in height and angle, and super sturdy. If you can also add a monitor with a separate keyboard and mouse, you can be even more comfortable sitting upright. If you have a bigger budget, consider a standing desk and a great desk chair—we’ve tested several in our Best Home Office Gear guide.
Gaiam Yoga Strap for $10: If you already own a long yoga strap, you can easily make your own shoulder strap posture brace for temporary use—a yoga teacher recommended this to me for use during a class. Everyday Yoga also sells some affordable options, but all of them work basically the same. According to yoga teacher Kathryn Budig: Wrap the strap around your back, right around the base of your shoulder blade or bra line, and pull the excess out evenly in front of you. Bring each end over your shoulders and crisscross them behind you, making an X shape on your back. Bring the straps around to the front, pulling your shoulders back, and buckle it in the front. The length of the strap you’ll need depends on your body, including shoulder and chest size, but we recommend at least 10 feet. Anything smaller will likely be more painful than helpful.
Final Tips and Advice
Try yoga and other exercises. A sedentary lifestyle is a one-way ticket to bad posture. Yoga, in particular, has been touted as a means to better posture. When I’m consistent with my practice, I notice I sit and stand taller outside of the studio, almost instinctively. If you’re not into yoga, core-strengthening exercises like planks and chest presses are also an option. Alternatively, just incorporating morning stretches into your routine will work wonders.
Seek a medical professional. A doctor, physical therapist, or chiropractor can help you find a corrector that supports your body’s problem areas‚ or steer you toward an alternative solution that does. Also, if you have severe neck or lower back pain, kyphosis, or scoliosis, always consult a healthcare professional before trying any at-home remedies.
Frequently Asked Questions
Your spine naturally has three curves: at your neck (cervical spine), mid-back (thoracic spine), and lower back (lumbar spine). Proper alignment shouldn’t add extra curvature to any of these sections. Here are some general guidelines:
- Your head should be above your shoulders, and the top of your shoulders should be above your hips. If you’re standing, keep your feet hip-distance apart. Most of your weight should be on the balls of your feet.
- If you’re sitting, keep your feet flat on the floor, knees bent at 90 degrees, and your ankles separated. If you can’t reach the floor, a footrest can help.
The writers at the Natural Posture explain that poor posture—sitting with your shoulders forward—causes the soft muscles in your chest to get tight, which in turn makes it feel uncomfortable to sit up straight. Bad posture isn’t just about slouching. Poor alignment can also come from genetics, injuries, or repetitive movements. “A wrong posture is anything for too long,” according to Smith.
We slouch over screens, lug totes on one dominant shoulder, and lean on one hip while standing. Your workstation setup often hinders your posture, and how you sit matters too. Are your feet flat on the ground, with your knees and hips at a 90-degree angle? Or are you, like me, guilty of tucking one leg under the other? Over time, these habits throw your body out of balance. Here are some tips on how to set up your desk ergonomically for working or gaming.
How do posture correctors work?
Posture correctors aren’t a one-size-fits-all cure for slouching or hunched backs. Think of them as little gentle wake-up calls for your muscles—the ones that have been slacking off while you hunch over your laptop. These tools come in all shapes and designs, but the best ones address the muscle imbalances created by our everyday habits. They’re not supposed to hold you in place (and if they do, that’s a red flag). Overly rigid correctors can actually weaken your muscles by doing all the work for you.
Instead, posture correctors are more like training wheels. They guide your body toward better alignment and then let your muscles take over. “I would compare it to when you were a kid and your mom poked you to sit up straight at the dinner table,” says physician Matthew Smith. “The goal is not to wear this forever. The goal is to be able to change your posture on your own from here on out.”
Are posture correctors safe to use daily?
Yes(ish), but not all day, and you wouldn’t want to. Posture correctors are designed for short-term use. Wearing one all day can backfire by weakening your core and making your body reliant on an external crutch. “I would only pop it on for a few minutes here and there as a reminder,” Smith recommends.
Some posture-correcting bras and wearable devices are gentler, making them better suited for longer periods, but these are often the exception. To be safe, refer to the specific product’s instructions. I’ve found them helpful in short bursts—like when I’m at my desk or cooking dinner. As Smith puts it: “We’re just trying to remind ourselves to come back and fight against gravity.”
What are we testing next?
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Tech
‘The Last Airbender’ Leaked Online. Some Fans Say Paramount Deserves the Fallout
The online leak of a full version of Avatar: Aang, The Last Airbender—a highly anticipated animated film in a multimedia fantasy franchise—has divided passionate fans while upsetting those who spent years working on the film.
The leaks began on X late on Saturday night, about six months before Aang was scheduled to premiere on Paramount+. User @ImStillDissin posted two short clips from the film. “Nickelodeon accidentally emailed me the entire Avatar aang movie,” he claimed. He also threatened to stream the entire movie if Paramount didn’t release an official trailer, and he posted a still from the movie’s end credits, revealing previously undisclosed voice-over cast and roles. The media from @ImStillDissin’s posts were later hit with copyright strikes and removed.
But within 48 hours, links to download the full movie appeared on 4chan and X, where some users also directly streamed the film. Across the web, fans said they had successfully pirated and watched what appeared to be a nearly finished and “beautiful” animated film.
While some argued that Paramount deserved to be punished because of certain creative and marketing decisions around the movie, others noted what a blow the leak was to the animators and production crew. A number of those team members took to social media to convey their sadness and frustration.
“We worked on the aang movie for years with the expectation that’d [sic] we’d get to celebrate all of our hard work in theaters. Just to see people unceremoniously leak the film and pass our shots around on twitter like candy,” animator Julia Schoel wrote Tuesday on X.
The user behind @ImStillDissin, who would not reveal his real name due to fear of legal repercussions, tells WIRED that he obtained the movie almost by chance and did not expect his posts to set off such a crisis in the entertainment world. “When I posted those clips I was purely trolling,” he says. “I was expecting a day of clout farming at best, not for the whole thing to blow up like this.”
(While WIRED has done its due diligence in verifying that the person speaking to us was behind the @ImStillDissin X account, we acknowledge that the hacking community is known to troll.)
According to @ImStillDissin, a screen-grabbed version of Avatar: Aang, The Last Airbender was circulating among people he knew from his days in the hacking community, one of whom shared it with him. “Broadly speaking, the supply chain for movies and TV is rife with insecure companies and vendors and lax checks,” he claims. He notes that two different SpongeBob SquarePants movies leaked months before their release dates in 2024. “Someone on 4chan who wasn’t happy at me drip-feeding stuff posted a copy of a draft script [of the new Avatar film] from like two years back,” says @ImStillDissin.
Neither Nickelodeon nor its parent company Paramount have confirmed a hack had taken place, nor have they issued a statement on the matter. They also did not respond to requests for comment.
Originally announced in 2021, Avatar: Aang, The Last Airbender marked the first production for Avatar Studios, a division of Nickelodeon’s animation department.
Some people felt justified in pirating and sharing the movie due to the recasting of voice actors. Last year, during a Reddit AMA, casting director Jenny Jue wrote that the voice cast from the Avatar TV show that aired on Nickelodeon in the 2000s was not returning due to efforts to “match actors’ ethnic/racial background to the characters they’re portraying.”
Tech
NASA Wants to Put Nuclear Reactors on the Moon
Having demonstrated that it has the operational capability to transport humans safely to the moon and back, the United States is moving on to its next major aim: It wants nuclear reactors in orbit and on the lunar surface by 2030. For such a feat, the National Aeronautics and Space Administration will have to work in conjunction with the Department of Defense and the Department of Energy.
In a post on X, the White House Office of Science and Technology Policy (OSTP) unveiled a document with new guidelines for federal agencies to establish the space nuclear technology road map for the coming years. This, they say, will ensure “US space superiority.”
At present, space instruments use solar power to operate. However, this is considered impractical for more complex purposes. Although technically there is always sunlight, the power is intermittent and almost always requires bulky batteries to store it.
Reactors produce fairly continuous energy for years through nuclear fission. They can also be used for so-called nuclear electric propulsion. Continuous output makes them the most viable option for lunar base subsistence, but they can also allow spacecraft to undertake long or complex missions without worrying about depleting a limited supply of chemical fuel.
Nuclear technology, in short, makes it possible to go farther, with more payload, for longer, and with fewer constraints.
According to the memorandum, the US goal is to put a medium-power reactor in orbit by 2028, with a variant designed for nuclear electric propulsion, and a first functional large reactor on the surface of the moon by 2030. To achieve this, both NASA and the Pentagon will develop energy technologies in parallel, using the current strategy of competition among contractors.
The reactors will have to be modular and scalable, and will have to include applications for both future life on the moon and space propulsion. For its part, the DOE will have to ensure that these projects have the fuel, infrastructure, and safety features necessary to achieve their objectives. In addition, the agency will evaluate whether the industry has the capacity to produce up to four reactors in five years.
The plan contemplates technologies that produce at least 20 kilowatts of electricity (kWe) for three years in orbit and at least five years on the lunar surface. In the meantime, they should have a design capable of raising power to 100 kWe. The first designs should arrive within a year.
Finally, the order tasks the OSTP with creating a road map for the initiative, noting obstacles and recommendations for addressing them.
“Nuclear power in space will give us the sustained electricity, heating, and propulsion essential to a permanent presence on the moon, Mars, and beyond,” OSTP posted. For his part, NASA administrator Jared Isaacman posted, “The time has come for America to get underway on nuclear power in space.” The message was followed by an emoji of a US flag.
The plan provides a common framework for each agency to work within. In the background, the race for space infrastructure is evidence of technological competition with China, which is also seeking advanced energy capabilities for the moon.
This story originally appeared in WIRED en Español and has been translated from Spanish.
Tech
AI Could Democratize One of Tech’s Most Valuable Resources
Nvidia is the undisputed king of AI chips. But thanks to the AI it helped build, the champ could soon face growing competition.
Modern AI runs on Nvidia designs, a dynamic that has propelled the company to a market cap of well over $4 trillion. Each new generation of Nvidia chip allows companies to train more powerful AI models using hundreds or thousands of processors networked together inside vast data centers. One reason for Nvidia’s success is that it provides software to help program each new generation of chip. That may soon not be such a differentiated skill.
A startup called Wafer is training AI models to do one of the most difficult and important jobs in AI—optimizing code so that it runs as efficiently as possible on a particular silicon chip.
Emilio Andere, cofounder and CEO of Wafer, says the company performs reinforcement learning on open source models to teach them to write kernel code, or software that interacts directly with hardware in an operating system. Andere says Wafer also adds “agentic harnesses” to existing coding models like Anthropic’s Claude and OpenAI’s GPT to soup up their ability to write code that runs directly on chips.
Many prominent tech companies now have their own chips. Apple and others have for years used custom silicon to improve the performance and the efficiency of software running on laptops, tablets, and smartphones. At the other end of the scale, companies like Google and Amazon mint their own silicon to improve the performance of their cloud-computing platforms. Meta recently said it would deploy 1 gigawatt of compute capacity with a new chip developed with Broadcom. Deploying custom silicon also involves writing a lot of code so that it runs smoothly and efficiently on the new processor.
Wafer is working with companies including AMD and Amazon to help optimize software to run efficiently on their hardware. The startup has so far raised $4 million in seed funding from Google’s Jeff Dean, Wojciech Zaremba of OpenAI, and others.
Andere believes that his company’s AI-led approach has the potential to challenge Nvidia’s dominance. A number of high-end chips now offer similar raw floating point performance—a key industry benchmark of a chip’s ability to perform simple calculations—to Nvidia’s best silicon.
“The best AMD hardware, the best [Amazon] Trainium hardware, the best [Google] TPUs, give you the same theoretical flops to Nvidia GPUs,” Andere told me recently. “We want to maximize intelligence per watt.”
Performance engineers with the skill needed to optimize code to run reliably and efficiently on these chips are expensive and in high demand, Andere says, while Nvidia’s software ecosystem makes it easier to write and maintain code for its chips. That makes it hard for even the biggest tech companies to go it alone.
When Anthropic partnered with Amazon to build its AI models on Trainium, for instance, it had to rewrite its model’s code from scratch to make it run as efficiently as possible on the hardware, Andere says.
Of course, Anthropic’s Claude is now one of many AI models that are now superhuman at writing code. So Andere reckons it may not be long before AI starts consuming Nvidia software advantage.
“The moat lives in the programmability of the chip,” Andere says in reference to the libraries and software tools that make it easier to optimize code for Nvidia hardware. “I think it’s time to start rethinking whether that’s actually a strong moat.”
Besides making it easier to optimize code for different silicon, AI may soon make it easier to design chips themselves. Ricursive Intelligence, a startup founded by two ex-Google engineers, Azalia Mirhoseini and Anna Goldie, is developing new ways to design computer chips with artificial intelligence. If its technology takes off, a lot more companies could branch into chip design, creating custom silicon that runs their software more efficiently.
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