Immersive reality is about to evolve, promising to offer tactile experiences thanks to innovative devices that apply to the skin like a simple patch. This innovation, the result of research published in the journal Nature, is coordinated by Northwestern University, in collaboration with experts from other prestigious institutions, such as the Georgia Institute of Technology.
The device, designed to be flexible and non-invasive, is an improvement on a prototype developed in 2019 by the same research group. It is composed of 19 magnetic actuators arranged on a hexagonal base and enclosed in a thin layer of silicone. Each actuator is capable of generating different sensations, such as pressure, vibration and torsion.
This system uses Bluetooth technology to receive environmental data and translate it into tactile stimuli. Its structure allows the device to remain in two stable positions, optimizing energy consumption. Additionally, the device stores energy when the actuators apply downward pressure to the skin and releases it when they push upward. This mechanism allows the device to operate for a long time on a single battery charge.
The applications of this technology could extend far beyond virtual reality. It could potentially transform prosthetics for missing limbs and provide support for the blind through haptic feedback. Matthew Flavin, first author of the study, emphasized the importance of the mechanical energy stored in the skin: “The idea was to use the elastic energy accumulated during the compression of the skin to improve the efficiency of our device.” The future of immersive reality looks promising, with the integration of tactile sensations that could revolutionize the way we interact with the digital and physical world. Research continues to progress towards an increasingly engaging experience that is accessible to all.
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