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September 4th, 2003
The world's smallest buckets
In a typical chemistry lab, the smallest containers hold just two millilitres of liquid. But despite their size, these tiny glass tubes still contain billions of atoms. Now, there are "nano test tubes", so small they hold just a few hundred atoms. Such containers, with a diameter equivalent to about 20 atoms, have been manufactured by experts at the University of Nottingham, UK.
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