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发帖数: 834 | 1 Moldable Metals
Sticky nanoparticles assemble into metal with plastic properties
By Bethany Halford
Courtesy of Bartosz Grzybowski (stars and gear) Science 2007 (lenses)
Golden stars and microlenses, each roughly 200 m across, as well as a
silver gear (800 m in diameter) made from the moldable metal
Coordinating the assembly of just a few nanoparticles is no easy task, but
corralling enough of the unruly particles to form a macroscopic material
takes skilled scientific herding techniques.
Now, |
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