Science close-up Images to be taken using some form of scientific technical equipment, eg scanning electron microscope, light microscope, x-ray, ultra-sound scanner, MRI scanner etc.       Science through the lens Images to be taken using either digital or film camera.           Science concepts Images should present scientific ideas, principles or concepts in an abstract way using any combination of computer imagery, specialist scientific techniques, digital/film camera or illustration.       Science as art Images should be able to stand alone as works of art and entries will be judged on aesthetic values only.