V • E • L • V • Y • N ★ on Instagram: "A physics student in Chengdu has built real flying “sword drones” that he controls using nothing but hand gestures. The way they glide, flip, and move in perfect sync makes it feel like a scene straight out of wuxia or anime — but it’s all real engineering, no CGI. Each drone responds instantly to subtle motion signals, letting him guide them through stunning formations and synchronized patterns. People online are calling it modern-day anime tech and a glim