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Published online 1 October 2003 | Nature | doi:10.1038/news030929-3
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Schrödinger's cat comes closer
Object big enough to see with microscope could be in two places at once.
The physicist Erwin Schrödinger famously said that quantum theory would allow the existence of a cat that was simultaneously living and dead.
Now a team of physicists has published the recipe for making a large object - not cat-sized, but certainly bacterium-sized - in such a quantum quandary1.
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