If mankind does ever become embroiled in a Terminator-style 'war against the machines', we're really going to have to start doing a few more press-ups.
Researchers have developed a robotic muscle, an incredible thousand times more powerful than that of a human and capable of hurling an object 50 times heavier than itself.
The breakthrough relies on a material called vanadium dioxide which has a unique ability to change its size, shape and structure when heated.
Robo muscle: The 'micro-bimorph dual coil' developed by U.S. scientists that can hurl an object 50 times heavier than itself