Canale YouTube ufficiale dei Laboratori Nazionali di Frascati (LNF) dell'Istituto Nazionale di Fisica Nucleare (INFN).LNF welcomes you and your comments on its YouTube channel.Our moderation comment policy follows these guidelines:1. Write proper comments - inappropriate or offensive comments may be deleted.2. Stick to the topic - chat users expect the comments to be relevant to the subject dealt.