2017 September–October 271 www. americanscientist. org constant (1.38 x 10-23 joules
per kelvin) and T is the temperature in kelvins. The natural log of 2, given as ln 2, is the …

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An overview of nanocomputers is given, including a discussion of reversible computing
techniques and an explanation of why they are necessary. The design of a nanocomputer …

A reversible computing system is a “backward deterministic” system such that every state of
the system has at most one predecessor. Hence, there is no pair of distinct states that go to …

Abstract Information loss from a computation implies energy dissipation due to Landauer's
Principle. Thus, increasing the amount of useful computational work that can be …

There is now a fairly extensive literature on reversible computation [l, 2, 3, 4] which shows
that the energy dissipation per device operation cannot be reduced below ln (2) kT (where k …

Conventional logic gates (eg AND gates) cannot be used for building a reversible computer.
An appropriate design approach is necessary. Both small building blocks and a more …

There exists a set of reversible primitive modules that may be combined according to a set of
simple rules to create larger systems, which are themselves reversible primitive modules …

In recent years, reversible computation has established itself as a very promising research
area and an emerging technology. This is motivated by a widely supported prediction that …

A reversible computation does not change the information content of its input, and is a
permutation of input bit-strings. Reversible logic has been studied since 1980, following a …