Using living organisms as logic gates or even general computing devices. Viewed as a computational science this might be considered an especially quaint sub-field of Turing-Machine-hunting. OTOH, the ability to bake real computation into the structures of life has some obvious applications and surely non-obvious ones.
As distinct from doing biology-like computation using computers - that’s a biomimetic algorithm.
Projects like Microsoft’s Station B and Biological computation unit are angling for some market share in this field. There are many others.
References
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