Before anyone starts wondering how you are supposed to hold a nano-toothbrush, let’s just say the authors of this piece were making a funny.
Journalistic humor aside, reseachers at Rensselaer Polytechnic Institute in Troy, New York have have designed brushes consisting of a silicon carbide fibre base on which carbon nanotubes are grown in a single row of bristles like a toothbrush.
The potential applications will be in electronics and biomed. The dentists of the world just breathed a sigh of relief.