The observation that atomic disorder emerges exceptionally fast during laser-induced melting of crystalline bismuth prompts fresh thinking about the nature of this phase transition

The observation that atomic disorder emerges exceptionally fast during laser-induced melting of crystalline bismuth prompts fresh thinking about the nature of this phase transition

y cunningly diffracting X-rays twice from an exploding nanometre-scale sphere, holographic images can be made of a tiny system evolving at lightning speed. The technique could be used to picture atomic dynamics.