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Watching quasicrystals form

First time seeing quasicrystals forming in nanoparticles.

showing the tiling with triangles and squares
A transmission electron microscope image of a mesoporous silica nanoparticle, showing the tiling with triangles and squares, and the Fourier analysis (inset) showing 12-fold symmetry. Credit: Lab of Uli Wiesner, Cornell University