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August 31st, 2003
Cooking up nanowires
The New York Times described it like this: 'Imagine a tantalizing plate of manicotti - tubes of pasta stuffed with a seasoned ricotta-egg mixture. In a laboratory at Tel Aviv University in Israel, researchers have been cooking up a kind of manicotti of their own. Instead of pasta tubes, however, they use a peptide molecule - a short chain of amino acids - that assembles itself into tiny tubes. And instead of ricotta cheese, they stuff their tubes with silver. What results are nanoscale wires, on the order of 20 billionths of a meter in diameter.'
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