To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S5. Large fragment numbers are observed in experiments at high quench speeds (here 6 pieces). Parameters are v = 500 mm/s. Controlling fracture cascades through twisting and quenching Ronald H. Heisser, Vishal P. Patil, Norbert Stoop, Emmanuel Villermaux, and Jörn Dunkel PNAS. 2018. 115:8665-8670 DOI: 10.1073/pnas.1802831115 Download Original Video Browse All Videos »