<ul><li>Researchers in Brazil have developed a smart wearable backpack called NavWear to assist blind and visually impaired individuals in detecting obstacles.</li><li>The device uses vibrating signals to alert users of nearby obstacles detected by a camera with depth-sensing technology.</li><li>The vibrations on the backpack straps indicate the direction of the obstacle - left strap for left, right strap for right, and both for straight ahead.</li><li>Initial tests with the device showed promising results in reducing collisions and improving safety during simulated walking routes, although further research is needed for practical application.</li></ul>

New wearable backpack helps blind people detect obstacles more safely

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