120mm: Aerogel “Also known as frozen smoke, Aerogel is the world’s lowest density solid, clocking in at 96% air. It’s basically just a gel made from silicon, except all the liquid has been taken out and replaced with gas instead. If you hold

120mm: Aerogel “Also known as frozen smoke, Aerogel is the world’s lowest density solid, clocking in at 96% air. It’s basically just a gel made from silicon, except all the liquid has been taken out and replaced with gas instead. If you hold

tags: It's just me, science,

from: https://ralavick.tumblr.com/post/2742990388