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. 2001 Jan 16;98(2):410–414. doi: 10.1073/pnas.98.2.410

Figure 1.

Figure 1

The analogy between electrical circuits of two switches each and the two Boolean operations as pointed out by Shannon (13). The proposal of this paper, as summarized in Fig. 6, is to implement such gates in polyatomic molecules undergoing ultrafast changes associated with large, although reversible, reorganization in the electronic configuration, making use of optical as well as chemically reactive coupling phenomena. As we discuss, such couplings are well known and controllable.