TechnologyWatch a 3D-printed magnetic critter fold and move all by itself By embedding magnetic particles into rubber, we can 3D print little shapes that fold, morph, and move around on their own in the presence of a magnetic field ¿ìè¶ÌÊÓÆµ
SpaceToughest ever heat shields made of springy sponge-like stuff Chinese scientists have developed a compressible aerogel that has shown in early heat shield tests to be 5 times more resilient than previous materials ¿ìè¶ÌÊÓÆµ