NO
regular (silica) aerogel is not lighter than air but SEAgel is a form of aerogel that is lighter than air
The most common use for Aerogel is for thermal insulation. Silica Aerogel has been used to help insulate the Mars Rover and protected all the wiring from the extreme temperatures it faces in outer space.
There is a type of material called Aerogel. The most common form is made of Silicon. The Silicon Aerogel is the best known insulator in the world, as well as being the least dense. Aerogel is made by removing all of the liquids from silica gel and replacing it with air.
the aerogel
The proper spelling is aerogel. It is not specially capitalized at the beginning or in the middle, nor should it contain a hyphen or a space. The word has been in technical usage since 1931 and is not a tradename or proper noun. Common incorrect spellings include "Aerogel', "AeroGel", "aero-gel", "aero gel", and alternative phonetic spellings such as "airojell" and "aerojell".
aerogel and styrofoam
Samuel Stephens Kistler
Aerogel is 39 times more insulating than the best fiberglass ever made.
After the published tables the silica aerogel is a very good thermal insulator.
mesoporous structure on the transmission of aerogel
the nasa mission stardust