A freshman at Southwest Petroleum University in Chengdu, Sichuan Province, has wowed netizens with a self-made mechanical arm that can light up and spread its fingers with natural-looking motion. The video, posted on March 14, 2025, has earned over 1 million likes on Douyin, China’s popular video-sharing app.
(Video source: Douyin)
原文地址：http://en.people.cn/n3/2025/0318/c90000-20291012.html