For decades, the United States led the charge in the pursuit of brain-computer interface technology, betting big on bold, high-risk breakthroughs that promised to revolutionise medicine and human-machine integration.In the end, it is China crossing the finish line first.Using a semi-invasive approach that may lend credence to the Confucian “doctrine of the mean” – or the philosophy of seeking a middle path between extremes – a team in China has now come up with a commercially approved product...