Chinese researchers have developed a breakthrough skin-mimetic gradient hydrogel electrode for non-invasive brain-computer interfaces (BCIs) that achieves over 94% accuracy in visual mind-typing tests during day-long wear. #china #mindreading #wion About Channel: WION The World is One News examines global issues with in-depth analysis. We provide much more than the news of the day. Our aim is to empower people to explore their world.