Summer Special. Quentin Coopervisits Hayling Island, off the coast of Portsmouth, to examine the science going on around us when we are lazing by the sea. He is joined by scientists from the Southampton Oceanography Centre who explain why waves are getting bigger and how currents affect the sand and pebbles.
Producer John Watkins. E-MAIL: material.world@bbc.co.uk Quentin Cooper 's Webwatch: page 34