Feeling is Believing: New Ring Brings Touch to Virtual Reality
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Imagine reaching out and actually feeling the texture of a virtual object, or the resistance of a digital button. That future is a step closer to reality thanks to a new device developed by researchers—a lightweight ring that lets users “feel” virtual worlds.
- Scientists have created a ring-shaped device that provides tactile feedback in virtual and augmented reality.
- The ring, dubbed OriRing, weighs just 18 grams and can generate forces of up to 6.5 newtons.
- It uses a combination of sensors and actuators to simulate the size, stiffness, and texture of virtual objects.
- Researchers believe this technology could enhance gaming, training simulations, and even medical rehabilitation.
Virtual reality (VR) and augmented reality (AR) have rapidly evolved, captivating users with increasingly immersive visual and auditory experiences. But one crucial element has largely been missing: the sense of touch. Now, a team of researchers at Sungkyunkwan University, École Polytechnique Fédérale de Lausanne and Istanbul Technical University has unveiled a device poised to change that. Published in Nature Electronics in January 2025, their work details an origami-inspired ring capable of delivering realistic tactile sensations.
“Wearable human–machine interfaces could provide immersive, multisensory interactions, turning everyday items into smart haptic devices for virtual and augmented reality,” wrote Sunju Kang, Mustafa Mete and their colleagues in their paper. “However, the development of tactile wearables with kinesthetic feedback remains limited by the size and weight of the devices, which restricts portability and comfort. We report a haptic ring that weighs 18 g and offers three-degrees-of-freedom force sensing and feedback.”
How Does it Work?
The device, dubbed OriRing, is remarkably lightweight, weighing only 18 grams. Its design incorporates a folded geometric structure inspired by origami, allowing it to efficiently detect and transmit forces. This structure enables the ring to sense pressing and sliding forces on the skin, recreating realistic tactile sensations. The system utilizes four sensors that change their electrical resistance when bent or pressed, coupled with soft pneumatic actuators that use air pressure to generate specific sensations.
“The system has an origami-inspired structural base that provides efficient and compact force transmission, and a soft force-sensing skin capable of simultaneously detecting shear and normal forces,” the researchers wrote. “The force-sensing skin is made by combining a topology-optimized, laser-patterned layer that has pyramid microstructures with a layer with four resistive pixels, an approach that ensures linear sensitivity and a rapid response time.”
Beyond Gaming: The Potential Applications
Initial tests demonstrated the ring’s ability to apply forces in three degrees of freedom, delivering force feedback up to 6.5 newtons. This level of feedback is sufficient to create perceivable and realistic tactile experiences within VR and AR environments. The researchers envision a future where this technology extends beyond entertainment.
Potential applications include enhanced training simulations for surgeons or pilots, more effective physical therapy and medical rehabilitation practices, and, of course, a more immersive and engaging gaming experience. The development of this haptic ring could inspire further innovation in wearable technology, paving the way for increasingly realistic and interactive digital experiences.
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