EarthDiamonds travel at freeway speeds inside Earth Experiments suggest that diamonds rise from deep within the planet at speeds of 60 kilometres per hour, far more rapidly than ordinary magma 51¶¯Âþ
TechnologySuper-tough material mimics metal and crystal The material combines the best properties of metal and crystal and, unlike other super-tough substances, it can be made cheaply and easily 51¶¯Âþ