The work is a step toward building tiny carbon structures that are more complex.
From cylindrical nanotubes to the hollow spheres known as buckyballs, carbon is famous for forming tiny,
. Now, scientists have added a new geometry to the list: a twisted strip called a Möbius carbon nanobelt. Möbius strips are twisted bands that are famous in mathematics for their weird properties. A rubber band, for example, has an inside and an outside. But if you cut the rubber band crosswise, twist one end and glue it back together, you get a
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