Ha well one that does computation with no power draw is theoretically possible, since processing as such does zero actual "work" physics-wise, it's all just var

Ha well one that does computation with no power draw is theoretically possible, since processing as such does zero actual "work" physics-wise, it's all just various mechanical losses. https://en.wikipedia.org/wiki/Reversible_computing https://en.wikipedia.org/wiki/Reversible_computing