Introduction.- Softness: Another Dimension to Define Nature.- Conventional Soft Machine and Allied Materials.- Basic Properties of Liquid Metal Materials and Soft Matter.- Mechanically Enabled Transformation of Liquid Metal.- Electrically Induced Transformations of Liquid Metal.- SCHEME based Reversible Transformation of Liquid Metal.- Electromagnetic Induced Transformation of Liquid Metal.- Self Fueled Shape Changeable Liquid Metal Machines.- Self...