Rachel Armstrong is a medical doctor, multi-media producer, science fiction author and arts collaborator. In this TED talk, Rachel explains how manipulated metabolic material and help save a sinking Venice. The material latches on to supports under water and acts like strong limestone... rebuilding upon itself so that Venice would no longer sink. Talk about going green! Not only would the concept be safe for the habit (it would actually create new ones)... it aids in the saving of a city!
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