ChemistryToughest material ever is an alloy of chromium, cobalt and nickel An alloy made of almost equal amounts of chromium, cobalt and nickel resists fracturing even at incredibly cold temperatures, which could make it useful for building spacecraft News
TechnologyStretchy material could make bandages change colour when getting loose A stretchy material developed for holograms and an obsolete photography technique from the 19th century have been combined to create a material that changes colour as its tension changes News