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Aerographite is NOT lighter than air. What they mean is that a vacuum-filled cubic cm of aerographite is lighter than a cubic cm of air. A piece of that materi
by rorrr2 13y ago
Aerographite is NOT lighter than air. What they mean is that a vacuum-filled cubic cm of aerographite is lighter than a cubic cm of air.
A piece of that material will NOT float up on its own, because it's heavier than air.
- JoeAltmaier 13y agoRight. Its density that matters, not weight. And as the top posting says, the ability to withstand atmospheric pressure. Since this aerographite stuff actually compresses 20X quite willingly, its useless for balloons etc. because pumping out the air would result in the envelope collapsing.