![A hexagonal microtruss structure, white on blue background.](http://static.sciencelearn.org.nz/images/images/000/002/845/full/a_hexagonal_microtruss_structure_large20170420-22061-1usnz84.jpg?1674168991)
A hexagonal microtruss structure. According to the researchers, a structure like this, with a density significantly less than liquid water, can have a compressive strength of up to 55 MPa at 410 kg/m3 (with a 200 nm coating of alumina).
A hexagonal microtruss structure. According to the researchers, a structure like this, with a density significantly less than liquid water, can have a compressive strength of up to 55 MPa at 410 kg/m3 (with a 200 nm coating of alumina).