Electrothermal instabilities observed by x-ray radiography of underwater sub-microsecond electrical explosions of aluminum, silver, and molybdenum wires - Grikshtas, R; Asmedianov, N; Belozerov, O; Efimov, S; Strucka, J; Yao, Y; Lukic, B; Rack, A; Bland, SN; Krasik, YE (Physics of Plasmas, 2025)