🧬 Scientists Watch Metal Heal Itself—And They Can’t Explain It In a discovery that defies current understanding, researchers observed microscopic cracks in metal close on their own—without human or mechanical intervention. The phenomenon could revolutionize how we build aircraft, infrastructure, and even spacecraft, but for now, scientists admit: “We don’t know how it happened.” #MetalHealing #SelfRepairingMaterials #ScienceBreakthrough #BETTRNews #NanoTech https://www.vice.com/en/article/scientists-just-watched-metal-heal-itself-and-they-cant-explain-how/?fbclid=IwQ0xDSwLG-ZZleHRuA2FlbQIxMQABHh_L3y5YlWSWj2hjxKXqr15KOKWw-EGPixfZaLD1X54fpMrKg5rR3NX-wUwR_aem_3k7ZhriY5mxwR_dF7QoZnA