Viewed at a magnification of over 250 times real life, tiny grains of sand are shown to be delicate, colourful structures as unique as snowflakes. When seen well beyond the limits of human eyesight, the miniature particles are exposed as fragments of crystals, spiral fragments of shells and crumbs of volcanic rock. Professor Gary Greenberg who has a PhD in biomedical research from University College London said: 'It is incredible to think when you are walking on the beach you are standing on these tiny treasures.
Viewed at a magnification of over 250 times real life the grains are shown to be delicate, colourful structures each as unique as a snowflake.
Also on these boards
footprints in the sand~