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April 15th, 2004
Silicon branches out
US researchers have grown tree-like networks of branched nanowires, which they speculate might lead to "three-dimensionally interconnected computing structures analogous to the brain". Charles Lieber and colleagues at Harvard University in Cambridge, Massachusetts, have found a way to make nanoscale wires made from semiconductors sprout branches. By repeating the branching procedure, they have grown secondary branches from the first ones, creating semiconducting nano-trees.
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