"Stop! Who goes there?" How would you go about setting up an eco-friendly, wave powered, trip wire to protect the reef surrounding an, albeit small, island? Ellen and Kathy had the vital job of combating the strong currents and anchoring the system in place.
Ellen McCallie.
First published on Wed, 26 Jan 2005 as Rough Science 5 Zanzibar: Ellen McCallie's diary: The reef. To find out more visit The Open University's Openlearn website. Copyright 2005
First published on Wed, 26 Jan 2005 as Rough Science 5 Zanzibar: Ellen McCallie's diary: The reef. To find out more visit The Open University's Openlearn website. Copyright 2005