Terminator T-1000-like robots and / or future aircraft / spacecraft may soon be able to heal themselves, thanks to this new discovery by MIT researchers. That’s right, “for a fracture to repair itself in a piece of metal, it turns out you need to stretch it; the exact type of force that could end up snapping a piece of metal in half can also be used to repair it.” Continue reading for a video and more information.

Here’s what MIT professor Michael Demkowicz had to say when he saw the data:

We had to go back and check. Instead of extending, [the crack] was closing up. First, we figured out that, indeed, nothing was wrong. The next question was: ‘Why is this happening?’