In the modern home, where technology meets aesthetics, a black carpet is often the pinnacle of elegant interior design. Its deep, intense color brings luxury and sophistication that can transform any space into a work of art. But despite this beauty, the black carpet hides something that has long caused headaches for manufacturers of robotic vacuum cleaners. This mysterious challenge seems to have developed into a real technological conundrum. Why are robotic vacuum cleaners, these small but mighty helpers in the household, "afraid" of the black carpet?