Chemists have sent molecules to primary school in the past decade. Now individual molecules can carry out addition and subtraction using different chemicals as the input bits and two fluorescence colours as the output bits.
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De Silva, A. Molecular logic gets loaded. Nature Mater 4, 15–16 (2005). https://doi.org/10.1038/nmat1301
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DOI: https://doi.org/10.1038/nmat1301
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