Circuit Logic & Physical Irreversibility

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Abstractions that share only a loose connection through circuits and physical efficiency, gathering logic-circuit implementations (diode logic, random flip-flop, reversible computing), thermodynamic irreversibility accounting (Gouy-Stodola theorem), and a materials-recovery practice, refrigerant reclamation, as an honest miscellany rather than one structure.

5 abstractions in this family — domain-specific abstractions that sit near one another in structural-signature space (k-means over structural-signature embeddings). Each is shown with its short description.

• Diode logic — An active device (vacuum tubes with control grids in early electronic computers, then transistors in diode–transistor logic) is additionally required to provide logical inversion (NOT) for functional completeness and amplification for voltage level restoration, which diode logic alone can't provide.
• Gouy–Stodola Theorem — In thermodynamics and thermal physics, the Gouy–Stodola theorem is an important theorem for the quantification of irreversibilities in an open system, and aids in the exergy analysis of thermodynamic processes.
• Random Flip-Flop — Random flip-flop (RFF) is a theoretical concept of a non-sequential logic circuit capable of generating true randomness.
• Refrigerant reclamation — Refrigerant reclamation is the act of processing used refrigerant gas which has previously been used in some type of refrigeration loop to meet the specifications for new refrigerant gas.
• Reversible computing — Reversible computing is any model of computation where every step of the process is time-reversible.