One of the mysteries of the English language finally explained.
A solid material of extremely low density, produced by removing the liquid component from a conventional gel.
- ‘South, east, and west walls are polycarbonate panels filled with aerogel insulation.’
- ‘To be useful, aerogels must remain firm in different environments - a hurdle that most such materials have not cleared.’
- ‘An aerogel is a porous network of silica strands with diameters of a few nanometres.’
- ‘A tennis racket-shaped canister packed with a material called aerogel will capture the particles during the flyby.’
- ‘I knew aerogel could trap small moving objects, but I had no idea it was such a good insulator.’
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