TechnologyUS Army has made a plastic bandage that swells to patch wounds Most soldiers who die from potentially survival wounds suffer from uncontrolled bleeding. The US Army developed a bandage material that can seal wounds faster and more effectively ¿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