AEROGRAPHITE: THE WORLD'S LIGHTEST MATERIAL
It looks like a wisp of smoke or even the work of a very confused spider, but this is actually a close up of the lightest material that has ever been created.
Previous record holders include aerogel, which was used by NASA to collect dust from a comet and is 99.9 per cent air with a density of just 1 milligram per centimetre cubed. That was recently beaten by the metallic microlattice, which upped the stakes to 0.9 mg/cm³.
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