How Ancient Chinese Sent Secret Messages #woodworking

Did you know ancient Chinese spies used wooden balls to send secret messages? In this video, we reveal a mind-blowing method of communication used centuries ago. By hiding rolled-up paper inside a wooden sphere, messages could travel undetected across enemy lines. It's a brilliant example of ancient steganography — the art of hiding information in plain sight! Join us as we uncover the secrets behind this clever trick and explore how our ancestors mastered the art of secret communication. 👉 Subscribe https://www.youtube.com/@CuriousClubTV for more ancient tech and science marvels! #curiousclubtv #asmr #technology