Least dense solid

According to Official Guinness Records,

The world's least dense solid is a graphene aerogel with a density of just 0.16 mg/cm³;produced by a research team from the Department of Polymer Science and Engineering lab at Zhejiang University, China, headed up by Professor Gao Chao (China). The material was announced in Nature magazine on 27 February 2013.

For a complete list of 2013 records, please visit 2013 Guinness Records in China.

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