News & Views. Published: 04 April 2024. Fracture mechanics At the breaking point. Michael D. Bartlett? ORCID: orcid.org/0000-0002-7391-5135 1,2?. Nature Physics (2024 )Cite this article 342 Accesses 4 Altmetric Metrics details Subjects. Mechanical properties. Structure of solids and liquids. The shape and trajectory of a crack plays a crucial role in material fracture. High-precision experiments now directly capture this phenomenon, unveiling ...