Send them a movie about your life and teach them your language. Sending movie is obvious as it could be string of 2D images. 2D images could be also rather obvious via line-ending and frame ending code clocks. I explored it greater detail here when discussed SETI: https://philpapers.org/rec/TURTRC
Send them a movie about your life and teach them your language. Sending movie is obvious as it could be string of 2D images. 2D images could be also rather obvious via line-ending and frame ending code clocks. I explored it greater detail here when discussed SETI: https://philpapers.org/rec/TURTRC