MIT researchers have found an efficient way to identify “topological” materials, whose surfaces can have different electrical or functional properties than their interiors. The approach should make it easier uncover materials that could be the basis of next-generation computer chips or quantum devices.
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The Latest Wrinkle in Crumple Theory
From studies of “geometric frustration,” scientists learn how paper folds under pressure.
In a sense, creases happen when a thin sheet of material gets claustrophobia. “The sheet is stressed, so something needs to happen to relieve that stress,” said Jovana Andrejević, a Ph.D. student in applied physics at Harvard.Credit.Jens Mortensen for The New York Times
By Siobhan Roberts
March 8, 2021
A piece of crumpled paper, in all of its creased fragmentations, suffers from “geometric frustration.” Who among us can’t sympathize?
In a sense, creases happen when a thin sheet of material gets claustrophobia. “New creases form if a sheet doesn’t comfortably fit into its confined area,” said Jovana Andrejević, a Ph.D. student in applied physics at Harvard and the lead author of a new paper detailing the latest advances in paper crumpling.