<ul><li>Scientists have discovered a rare and powerful crystal hidden inside a 3D-printed aluminum alloy.</li><li>The crystal, known as a quasicrystal, was found by surprise while studying the metal with an electron microscope.</li><li>Quasicrystals have complex patterns that never exactly repeat, making them different from ordinary crystals.</li><li>The discovery of the quasicrystals in the 3D-printed metal could lead to improved alloy design, resulting in lighter and stronger parts for airplanes, cars, and more.</li></ul>

Strange crystal found in 3D-printed metal could make airplanes stronger

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