Watch Online Free HD Solarmovies. From the earliest tool hewn from a single piece of stone, more than 2.5 million years ago, to advanced robotics connected to the human nervous system, the history of human civilization is a history of materials. Today more than ever we need to use materials intelligently to meet the challenges of tomorrow. The film takes us on a journey where we meet the pioneers of material science and reveal their extraordinary discoveries that are transforming the world around us.