Medical staff will now be able to check whether patients are following healthy diets by scanning their skin, Rob Coppinger uncovers

The sensing properties of the humble optical fibre lends its use to measuring strain and temperature variations along structures like oil pipelines stretching hundreds of kilometres, as Greg Blackman finds out

Rob Coppinger tackles the rough and the smooth of the latest challenging thin film production techniques

Element Six provides synthetic diamond for use in the photonics industry, as Warren Clark discovers