Sudden shearing/rotating of a neighboring mesa’s top flake. With increasing the normal load applied on the left mesa in this video by the tip of a tungsten probe (the black part), a top flake of one of the neighboring mesas (the right mesa) was suddenly sheared and rotated at about 4.5 second.
Deli Peng, Zhanghui Wu, Diwei Shi, Cangyu Qu, Haiyang Jiang, Yiming Song, Ming Ma, Gabriel Aeppli, Michael Urbakh, and Quanshui Zheng
PNAS. 2020. 117:12618-12623 DOI: 10.1073/pnas.1922681117