Limited battery life and increasing discomfort prevent extensive use of mixed reality headsets

Medical professionals have experimented with using mixed reality headsets

Devices like the Apple Vision Pro have helped doctors develop surgical plans for hip and knee replacements using software that provides 3D models and other tools. Virtual screens displayed by mixed reality devices can provide information related to surgical progress, a patient's vitals, and more.

Mixed reality devices can turn digital information into 3D experiences

Described as "wearing a theme park on your face," devices like Microsoft's HoloLens project images into users' eyes so that their brains believe virtual objects are actually there. The bulkiness and physical limitations of existing headsets are expected to lessen over time, mimicking the evolution of early headphones.

Early testing of the US Army's mixed reality headsets made soldiers perform worse

Soldiers involved in testing the Integrated Visual Augmentation System reported headaches, nausea, limited peripheral vision, and concerns about security due to the display backlighting, which could be viewed from hundreds of meters away. The difficulties led the Department of Defense to transfer the program's contract from Microsoft to Anduril Industries.

Why VR/AR gets farther away as it comes into focus

Thirteen years after XR devices became a big tech obsession, VR/AR devices are not just behind schedule, they still seem far away. This article provides an overview of the hardware realities getting in the way of the vision.

A 1992 failed parachute test provided the hardware for the first mixed reality system

The Virtual Fixtures platform was developed to improve human dexterity by merging physical and virtual objects with haptic feedback from an upper-body exoskeleton. Tight budgeting and significant equipment needs nearly canceled the project, were it not for salvaging and repairing cameras and sensors from a smashed experimental parachute rig.

Apple's future will likely continue to incorporate mixed reality hardware and AI

Although the majority of Apple's profits come from iPhone, iPad, and Mac sales, CEO Tim Cook has overseen a diversification of products since the acquisition of the Beats headphone brand in 2014, including the launch of the Apple Card, Apple TV, and the Vision Pro headset.

Mixed reality devices and other wearables may usurp smartphones

The integration of smartphone features into watches, glasses, and even clothing suggests future technology may be geared toward working independently in the background. Mixed reality technologies are expected to facilitate this ambient computing world by seamlessly and proactively displaying real-time content without physical interactions solely in the real world.

Meta's Quest and other mixed reality devices can make learning new skills easier

PianoVision utilizes the passthrough visibility of a headset to illuminate which keys to play on a real piano or keyboard, providing an immersive, software-based learning alternative to human instruction. Similar apps also offer virtual model replacements for physical devices, such as a virtual piano, to practice with.

Watch how a mixed reality app transforms a space into a haunted house

"Hauntify" incorporates a user's physical surroundings into the gameplay. Available via the Meta Quest app store, the software utilizes the mixed reality device's cameras and sensors to map a user's environment, from which evil spirits that must be repelled appear to emerge suddenly.

Watch a review of Meta's Ray-Ban smart glasses

Combining smartphone features with a luxury eyeglass brand, Meta's peripheral provides discreet recording, audio, and AI-powered functions. They represent an ongoing effort by the company to develop hardware for the augmented and mixed reality market.

The security and privacy risks of augmented reality

One of the most serious perceived risks of augmented reality is the loss of privacy. Because AR technology can see what users are doing, user privacy is jeopardized. AR collects far more information about who users are and what they are doing than...

After 25 people used virtual reality headsets to practice flying with virtual wings—flapping their arms—their visual cortex responded to the wings almost as if they were real arms, treating them as body parts.

Is using VR as a tool to enhance empathy ethical?

This research paper explores whether virtual reality should be used as a tool for improving our moral character — and, if not, what ethical alternatives could be.

A fascinating look at how a journalist spends 24 hours in the metaverse

A Wall Street Journal strapped on a VR headset for a full day. Here's what happened when she went to work meetings, hung out with new avatar friends and attended shows — all in the metaverse.

People are experiencing AI 'brain fry' at work

Workers, particularly in marketing, are experiencing mental fatigue in the workplace due to expectations—often unspoken—that they should use AI to multitask beyond their comfort levels. Many feel they are underperforming if they don't embrace this technology. This situation differs from typical burnout. This podcast discussion suggests that this "brain fry" tends to intensify when employees are required to use more than three AI tools.

Longer-duration space missions may amplify astronaut motion sickness

NASA is using the Kraken, a 50-foot-long, 100-ton US Navy research device, to simulate space motion sickness and vertigo and test possible recovery strategies, including testing out different, specific head movements. The Kraken, located at Wright-Patterson Air Force Base near Dayton, Ohio, can rotate participants at exposures of up to 3G.

Self-driving car companies like Waymo use lidar technology for navigation

By firing thousands of laser pulses in all directions, lidar systems construct 3D maps of a car’s surroundings, even in environments with limited lighting. The technology has also been incorporated into iPhones and the Vision Pro headset to improve camera focus.

A visual exploration of the environmental impacts and uncertain demand for deep-sea mining

While models suggest demand for crucial metals is expected to exceed supply through 2050, new battery technologies, such as those that require no nickel or cobalt, introduce uncertainty that opponents of deep-sea mining see as not worth the risk of certain environmental damage, which includes noise and light pollution and the release of toxic plumes from mining equipment.

Wearing a 'schizophrenia simulator,' designed to build empathy for patients, CNN's Anderson Cooper finds he struggles to function

Donning headphones that play a track mimicking the auditory hallucinations common in schizophrenia, Cooper finds he is very distracted, disconcerted, and frustrated. The auditory track aims to help listeners build empathy with patient populations by understanding the challenges they face in daily life.

Efforts to build touch-enabled machines highlight the complexity of human touch

The challenges that engineers are facing as they try to reproduce a human's ability to touch and also give robots the ability to interpret that kind of sensory flow are furthering our understanding of the myriad intricacies of human touch—and the challenges in emulating it.

Implanted neurotechnology can leave users vulnerable when manufacturers go under

Despite providing relief from neurological conditions, patients are left stranded when the companies that make these devices shut down. The lack of regulation means patients often face technical failure, insurance battles, or risky surgeries to maintain their quality of life.

Obsessing over sleep metrics leads to worse sleep quality

Over one-third of Americans have used wearable technology to track their sleep, and the anxiety over having perfect sleep data, or orthosomnia, has made getting a good night's sleep more difficult. Experts agree that most devices cannot correctly assess sleep details, making the data unreliable.

Large language models struggle to play video games, despite coding them easily

As of 2025, given clear tasks, specific feedback, and test results to learn from, LLMs have been successful at coding simple video games that resemble pre-existing ones. However, given the variety of games, the lack of training datasets, and the need for spatial awareness, which LLMs find challenging, some of these models experience greater difficulty navigating and "winning" games.

Five hazards of human spaceflight

From space radiation to isolation, humans struggle when it comes to traveling and living in space. What does this mean for long-term spaceflight? This hour-long podcast episode attempts to answer that question while detailing five major spaceflight hazards.

A prototype greenhouse for Biosphere 2 is now part of a test habitat for Mars

The Space Analog for the Moon and Mars combines the Test Module greenhouse with a workshop, kitchen, common area, sleeping quarters, and a yard that mimics lunar and Martian surfaces. A blind crew member in SAM’s first mission, Inclusion I, helped assess accessibility in potential future space habitats.

Modern sound mixing has contributed to audiences needing subtitles

Hidden, high-tech microphones allow actors to speak more softly, rather than yelling to be picked up by a distant boom mic, but this sacrifices clarity. The problem is exacerbated by mixing often prioritizing booming sound effects and soundtracks and audiences listening with small speakers on mobile devices.

About 2,000 US babies are born annually without some portion of their limbs, potentially leading to a lifetime of pricey prosthetics.

When you complete a CAPTCHA on a website to prove you are human, you may be unknowingly training algorithms for self-driving cars, whose systems require training data to help identify crosswalks, bicycles, and other outdoor objects.

Explore the known asteroids, comets, and spacecraft involved in asteroid studies within our solar system with 'Eyes on Asteroids,' a 3D visualization from NASA.

Indefinite cloning of some endangered species may not sustain their longevity because cloning success rates decrease as genetic mutations accumulate.

A vending machine run with Anthropic's AI went out of business after it was convinced to give away items for free and sell a video game console.

Track the location of the Voyager probes, currently between 13 and 15 billion miles away from Earth.

SpaceX's S-1 or 'prospectus' revealed many previously unknown details about the company, including its unprofitability despite doing $18.7B in revenue in 2025, exactly how many voting shares Elon Musk will have in the company (roughly 85%), and more.

Visualize how CRISPR-Cas9—a type of immune system used by single-celled organisms to attack invasive viruses—targets and makes precise changes to a gene's DNA.

Massive 3D printers have been used to build homes by stacking layers of 'concrete toothpaste,' a fire-resistant material that effectively insulates against outside noise.

According to the physics of black holes, our 4D reality may be a hologram—a projection of information coded on a 2D surface on the edge of the universe.

Watch how deep-sea mining equipment collects and processes polymetallic nodules—metal-rich, potato-shaped rocks—from the ocean floor and creates environmentally damaging plumes of sediments.

Radioactive elements can introduce software errors because the ionizing radiation they produce can detach electrons from atoms, and computer code relies on the distribution of electrons.

The first horror movie is believed to be George Méliès' 1986 short 'The Haunted Castle,' which pioneered the use of special effects

Alzheimer's can lead to brain shrinkage, with an average of around 2% of volume reduction per year

Some researchers have labeled nomophobia, the fear of being without your phone, as 'the phobia of the 21st century.'

Sony set the standard for cylinder-shaped batteries when it repurposed manufacturing equipment used to make rolls of magnetic recording tape.

Experimental hantavirus vaccines and therapies, still under development, have long been funded by the US military.

Long before Major League Baseball began allowing instant replay for balls and strikes, an umpire reluctantly used the technology to determine whether a hit was a home run, a move that inadvertently ushered in a new era for the sport.

The Mona Lisa's celebrity status and repeated restorations have obscured what made the painting so revolutionary for its time

For centuries, it was common to sleep in two shifts: a few hours at the beginning of the night, and a longer period beginning around midnight

Listen to an in-depth conversation on the links between Parkinson's disease and herbicide exposure and the challenging pace of scientific investigation.

Memecoins are a type of cryptocurrency—a form of digital currency with a wide variety of uses—created around popular 'memes,' or viral internet jokes.

Explore an interactive map built from more than 100,000 survey responses on where people find joy in their lives

All rainbows are 'raincircles' caused by water droplets separating white sunlight into a spectrum of colors, but Earth's surface blocks the bottom half of the circle from our line of sight.