00:00Imagine stretching something and it gets thicker. Textbooks get this wrong. This auxetic material
00:06actually expands sideways when you pull it. These tiny internal hinges just flip outwards.
00:11They physically pull the sides wider. This makes it super tough for impacts. Think body
00:17armor or medical implants. Discover more amazing material secrets and wild science at the link in
00:23bio.