Microsubmarines 'could clean oil'Tiny submarines that are 10 times smaller than the width of a human hair could be used to clean up oil spills, US researchers say.
Source: Microsubmarines 'could clean oil' (http://www.bbc.co.uk/news/technology-17940461#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa)