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Reversible computing with mechanical links and pivots
Mechanical Computing Intro With the concern that “Moore’s Law is dead,” new interest has grown for unconventional forms of computing. This includes: - quantum computing (for atomic simulations and specific NP approximation algorithms) - analog computing (for fast-and-efficient-but-error-prone computation, such as neural net inference) - reversible computing (for maximum energy efficiency) It is believed that the most efficient computing devices would use little or no entropy during reversible computations, and only consume energy during non-reversible parts of computation.
With the concern that “Moore’s Law is dead,” new interest has grown for unconventional forms of computing. Even if a CPU like the AMD Ryzen Z1 Extreme or Apple M4 can improve this efficiency by a factor of 10 (which is too generous), we’re still a long way out from hitting the theoretical wall. The authors of the original paper provided this example schematic of a 30 x 30 x 7 nm lock constructed out of carbon:
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