This Is The World's Lightest Metal And It Is 99.99 Percent Air

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Just a few years ago, scientists made the world's lightest metal for Boeing, and now the airline has revealed it for the first time in this new video. Called microlattice, the material is nearly 100 times lighter than Styrofoam but is as stiff as metal, which means that it has some quite exciting applications, not just only limited to being able to balance on top of a dandelion. Microlattice was inspired by the arrangement of our bones, which are very firm on the outside but generally hollow on the inside, which actually means they can't be easily crushed, but are lightweight enough for us beings to carry around all day. The new Boeing metal copycats this, and in spite of its rigid exterior, it has a 3D open-cellular polymer assembly, which means its structure is nearly 99.99 percent air. Learn more in the video below:
Image Credit: Dan Little/HRL Laboratories

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