Before revision: is Balsa 73 0.14 521 53.2 Carbon–epoxy composite 1240 1.58 785 80.0 McGRAW-HILL ENCYCLOPEDIA OF Science & Technology, 8th Edition, (c)1997, vol.
After revision: isSelf-Reprogrammable Mechanical Metamaterials0.011170.010311.17111 Balsa 73 0.14 521 53.2 Carbon–epoxy composite 1240 1.58 785 80.0 McGRAW-HILL ENCYCLOPEDIA OF Science & Technology, 8th Edition, (c)1997, vol.