On plant roots logical gates

摘要

Abstract Theoretical constructs of logical gates implemented with plant roots are morphological computing asynchronous devices. Values of Boolean variables are represented by plant roots. A presence of a plant root at a given site symbolises the logical True, an absence the logical False. Logical functions are calculated via interaction between roots. Two types of two-inputs–two-outputs gates are proposed: a gate ?x, y?→?xy, x + y? where root apexes are guided by gravity and a gate ? x , y ? → ? x ˉ y , x ? where root apexes are guided by humidity. We propose a design of binary half-adder based on the gates. ]]>