What is the smallest unit of area? To find out, theorists have been wrestling with the notion of quantum black holes. Two independent analyses now seem to lead to the same answer.
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Baez, J. The quantum of area?. Nature 421, 702–703 (2003). https://doi.org/10.1038/421702a
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DOI: https://doi.org/10.1038/421702a
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