The precision of a clock is incredibly important…so how much more precise can we get? - Written & Presented by Lizzie Gibney - Edited by Stephanie Castillo - Motion graphics by Dan Fox - Producer by Maren Hunsberger - Stock footage: Getty Stock / Sony Pictures Entertainment / taseffski / mustafasert / uuoott / Laurence Dutton / shkyo30 // Canva Pro Stock / BlackBox / zakharov-alex - Stock music: Triple Scoop / Richard Ames - Supervising Producer: Shamini Bundell