The Truth About Invisacook Invisible Induction Cooktop Safety - What Every Family Should Know Whenever homeowners first hear about the Invisacook invisible induction cooktop , the reaction is almost always a mix of fascination and skepticism. The idea of cooking directly on a smooth stone surface with no visible hardware feels almost magical, but it also raises a very understandable question: Is it safe? That concern becomes even more important for families with kids, pets, o