Chemists have made aerogels that have rubber-like elasticity and can “remember” their original shapes. Aerogels are created by replacing liquids with gases in a silica, metal oxide or polymer gel. They are used in a wide variety of products, from insulation of offshore oil pipelines to NASA space missions.
from Engineering and Construction News – ScienceDaily https://www.sciencedaily.com/releases/2017/05/170502114008.htm
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