Keywordsflexible electronics; thermal analysis; human skin; liquid metal; flexible printed electronics; 3D printing; functional device; additive manufacture; consumer electronics; stretchable conductors; elastomers; patterning techniques; direct printing; transfer printing; flexible transparent electrodes; flexible electronics; metal nanowire; metal grid; optoelectronics devices; graphene; silver-nanowires; wrinkles; elastomer actuators; tunable transparency; graphene; sensor; heater; NH3; oscillation; pulse; sensitivity; recovery; energy; flexible; laser direct synthesis and patterning; flexible electronics; laser direct write; transparent conductors; ultrasonic spray; titanium oxide; flexible perovskite solar cells; low temperature; large area; flexible electronics; stretchable electronics; skin sensors; precision medicine; health monitoring; wearable technology; n/a; laser sintering; metal nanoparticle; micro lens array; cylindrical lens; flexible electrode; laser; laser-induced nano-welding; pulse laser; silver nanowires; silver nanowire percolation networks; transparent flexible conductor; MEMS; microelectrodes; neural interface; conducting polymer; nanotechnology