I hear that carbon graphene is the strongest of any known material... Picture multiple sheets of this carbon lattice to 100um thickness and a large car on top of a pencil like object trying to pierce it to no avail!
physicsworld.com - Graphene has record breaking strength
Anyone ever wonder if it could be used to make super strong buildings, or better yet, giant 3-D cities "just" a few miles wide (and high)?
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