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It's not too expensive, you can buy a 50cm x 50 cm sheet of silica aerogel from AliExpress for about $20... But it's hard to say what this device uses, it might
by chiffre01 4y ago
It's not too expensive, you can buy a 50cm x 50 cm sheet of silica aerogel from AliExpress for about $20... But it's hard to say what this device uses, it might be something more exotic.