Aerogels and ambigels are unique in that 75 - 99 % of the material is ' open ' .
Aerogels and ambigels interpenetrated by a solid that is on the order of 10 nm , resulting in pores on the order of 10 to 100 nm .
Aerogels and ambigels are unique in that 75 - 99 % of the material is ' open ' but interpenetrated by a solid that is on the order of 10 nm , resulting in pores on the order of 10 to 100 nm .