𝗙𝗔𝗖𝗧𝗦 & 𝗦𝗖𝗜𝗘𝗡𝗖𝗘 🪐 on Instagram: "The material shown in your image is aerogel, often dubbed “frozen smoke” due to its translucent appearance and extreme lightness. Despite being composed of up to 99.8% air, aerogels are incredibly strong relative to their weight. Some types of silica aerogel are stronger than steel by weight, and they are among the lightest solid materials ever created. Originally developed by NASA, aerogels are used for insulation in spacecraft, oil spill cleanup, a