[Ben] outdid himself. He successfully made monoliths of silica aerogel in his garage. Aerogel, the light-weight solid that has been referred to as ‘hard air’ is really freaking expensive especially in non-granulated form.
The techniques behind producing aerogels have been on the Internet for a fairly long time. A few uncommon chemicals and a supercritical drying chamber are required for … Read the rest
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