Aerogels are amazing substances! They are synthetic materials that have extremely low density and thermal conductivity. Because of the way they look, they are also known as “frozen smoke” or “solid air”.
Although it was invented in 1931, commercial manufacturing only took place around 2000. Proof that even a good idea needs the right time and right place to flourish!
Read more about it here.
Learn about how NASA is improving on the aerogel by making it strong as well.