Another term for aerogel.→ aerogel
- ‘Aerogel, sometimes called ‘frozen smoke,’ is a transparent material as smooth as glass.’
- ‘It contained what appeared to be a sponge-like block of frozen smoke, reflecting light in every which direction.’
- ‘It is nicknamed frozen smoke, solid smoke or blue smoke due to its transparent nature and the way light scatters in the material.’
- ‘Sometimes referred to as frozen smoke, aerogel is made by mixing silica and a solvent.’
We take a look at several popular, though confusing, punctuation marks.