Airgel: lighter than air

    Already several times ( 1 , 2 ), the term airgel slipped through the posts on the hub So I became interested in the topic and found a rather interesting, but short video explaining what airgel is.

    Airgel is like frozen smoke, and it is the lightest solid material on the planet.

    Some facts about airgel:
    • 99.8% air
    • 39 times more effective than the best fiberglass insulation
    • 1000 times less dense than glass
    (Warning! Video in English)

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