Aussie Scientists Cut, Grind and Polish Perfect Kilogram
Peter Skarpetis | September 8, 2007 | 12:59 pmAussie Scientists Cut, Grind and Polish Perfect Kilogram:
It’s a question of keeping up standards. That famous slab in Paris has lost 50 micrograms, so Australian scientists are creating a perfect sphere out of Silicon 28. They even know how many atoms it’ll contain.
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