Calm Naturetics on Instagram: "This video shows China’s 3D holographic fan display technology, which creates floating 3D images in mid-air. It uses fast-spinning LED fan blades that are almost invisible to the human eye. When these blades rotate at very high speed, LEDS turn on and off in precise patterns, forming a realistic hologram. Multiple holographic fans are synced together to create a larger, seamless display. This setup allows complex visuals, animations, and even text to appear as if t