IF man were to vanish from the face of the Earth today, his footprint on the planet would linger for the mere blink of an eye in geological terms. Within hours, nature would begin to eradicate it. In 50,000 years, all that would remain would be some arch

he days of dull, grey concrete could be about to end. A Hungarian architect has combined the world's most popular building material with optical fiber from Schott to create a new type of concrete that transmits light.

A recent survey shows that the majority of consumers have little or no knowledge of how pervasive nanotechnology has already become in everyday products.