Xie has developed a genetic “logic circuit” that prompts cells to kill themselves if the levels of five molecules match those of a cancer cell. Yaakov Benenson, ...

The logic of the system is fine, but it fails to take into account real components that fail in ways the abstraction doesn’t. For example, a flip-flop doesn’t necessarily fail in an 1/0 state ...

Logic circuit prototypes for three-terminal magnetic tunnel junctions with mobile domain walls. Nat. Commun. 7:10275 doi: 10.1038/ncomms10275 (2016). References.