Tech Now: Super Science: Inside ESS

Adrienne Murray heads behind the scenes at the European Spallation Source in Sweden, created to produce the world's most powerful source of neutrons. Lily Jamali asks can we ever really delete our data? Nick Kwek explores the growing area of digital clones, where your digital self will act, talk and write like you, and complete tasks on your behalf. Plus, why physicists have created one of the world's smallest violins.