SEAgel Aerogel lighter than air solid. Not a UFO

gasses, including helium or hydrogen and the material is then shrink wrapped to prevent leakage. This example probably contains ordinary air. This video was recorded over a decade ago. Updated versions of the material are produced in huge quantities for military purposes. If you want explanations for triangular UFOs that hover silently, think classified airships made of this stuff, not Extraterrestrials (although being multi-colourable, it also comes in....... Greys! ) ... aviation space ...

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YouTube | June 21, 2008

Tags:. .triangular. .leakage. .hydrogen. .gasses. .lighter