Movie S4.

Crack healing in the HDA state of 1.5 M NaCl solution in a polycarbonate capillary. (A) The sample is rotated by 360° at 80 K to show cracks induced inside. The frame rate used for recording is 7.5 fps and video playback speed is 15 fps. (B) Crack healing inside the HDA sample during warming (from 80 to 160 K). Note that noticeable crack healing occurs above 115 K. The image frames are recorded every 5 K, and video playback speed is 2 fps. (C) The sample after warming. The sample is rotated by 360° at 160 K to show crack healing inside. Note that the cracks are completely healed.