Computation by Convective Logic Gates and Thermal Communication

Author:

Bartlett Stuart12,Gao Andrew K.34,Yung Yuk L.35

Affiliation:

1. California Institute of Technology, Division of Geological and Planetary Sciences. sjbart@caltech.edu

2. Tokyo Institute of Technology, Earth-Life Science Institute

3. California Institute of Technology, Division of Geological and Planetary Sciences

4. Peking University, Yuanpei College

5. NASA Jet Propulsion Laboratory

Abstract

Abstract We demonstrate a novel computational architecture based on fluid convection logic gates and heat flux-mediated information flows. Our previous work demonstrated that Boolean logic operations can be performed by thermally driven convection flows. In this work, we use numerical simulations to demonstrate a different , but universal Boolean logic operation (NOR), performed by simpler convective gates. The gates in the present work do not rely on obstacle flows or periodic boundary conditions, a significant improvement in terms of experimental realizability. Conductive heat transfer links can be used to connect the convective gates, and we demonstrate this with the example of binary half addition. These simulated circuits could be constructed in an experimental setting with modern, 2-dimensional fluidics equipment, such as a thin layer of fluid between acrylic plates. The presented approach thus introduces a new realm of unconventional, thermal fluid-based computation.

Publisher

MIT Press - Journals

Subject

Artificial Intelligence,General Biochemistry, Genetics and Molecular Biology,Computer Science (miscellaneous),Agricultural and Biological Sciences (miscellaneous)

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