Carbon aerogel world’s lightest material

Chinese scientists have developed the world’s lightest substance  carbon aerogel  with a density only one sixth of that of the air.Scientists at Zhejiang University produced the solid material which has a density of only 0.16 mg/cubic centimetre, breaking the previous record of the world’s lightest material held by graphite aerogel.The graphite aerogel was developed by German scientists last year with a density of 0.18 mg/cubic centimetre.
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