Aerogel
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aerogel: composed of a microporous solid in which the dispersed phase is a gas.
A block of silica aerogel in a hand.
Aerogel crystals produced in ScCO2 drying
A flower resting on a piece of silica aerogel, which is suspended over a flame from a Bunsen burner. Aerogels have excellent insulating properties, and the flower is protected from the heat of the flame.
A 2.5 kg brick is supported by a piece of aerogel with a mass of 2 g.
Gel
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A gel is a semi-solid that can have properties ranging from soft and weak to hard and tough. Gels are defined as a substantially dilute cross-linked system, which exhibits no flow when in the steady s
Aerogel
…solid in which the dispersed phase is a gas. (See Gold Book entry for note.) Aerogels are a class of synthetic porous ultralight material derived from a gel, in which the liquid component for the gel has been replaced with a gas, without significant collapse of the gel structure. The result is a solid with…
An upturned vial of hair gel
Silica gel
Hydrogel of a superabsorbent polymer