Pensil Alis Nasa 4d

nasa 4dNASA are stepping straht into the future of textiles with their 4D printed ‘space fabric’—a metallic material intended to be used like ‘chain mail’ to protect astronautsNPD 7120.4D, NASA Engineering and ProgramProject Management Policy dated February 16, 2017. Robert Lhtfoot Acting Administrator > ATTACHMENT A: (TEXT)