Aerogels and ambigels are formed from wet gels ; aerogels are formed when wet gels are dried such that no capillary forces are established .
Ambigels are wet gels dried under conditions that minimize capillary forces .
Aerogels and ambigels are formed from wet gels ; aerogels are formed when wet gels are dried such that no capillary forces are established , while ambigels are wet gels dried under conditions that minimize capillary forces .