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    self-healing machines tagged posts

    ‘Stunning’ discovery: Metals can Heal Themselves

    July 21, 2023, Categories  Chemistry/Nanotechnology, Physics

    Green marks the spot where a fissure formed, then fused back together in this artistic rendering of nanoscale self-healing in metal, discovered at Sandia National Laboratories. Red arrows indicate the direction of the pulling force that unexpectedly triggered the phenomenon. (Image by Dan Thompson)

    Microscopic cracks vanish in experiments, revealing possibility of self-healing machines. If harnessed, the newly discovered phenomenon could someday lead to engines, bridges and airplanes that reverse damage caused by wear and tear, making them safer and longer-lasting.

    The research team from Sandia National Laboratories and Texas A&M University described their findings today in the journal Nature.

    “This was absolutely stunning to watch first-hand,” said Sandia materials scientist Br...

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