Natural Algorithms
Exploring simple natural physical systems that can compute
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I explore simple natural physical systems that exhibit useful, interesting computational effects. I view such physical systems as specialized computers /natural computers. These natural computers (physical systems), as they evolve in phase space, can be seen as performing a computation or executing a natural algorithm to solve a specific problem. In particular, I consider physical systems that apparently solve problems that are hard to solve by using conventional computers. I view the physical systems themselves not their numerical simulations as computers. I discuss three main ideas: A gravit...
I explore simple natural physical systems that exhibit useful, interesting computational effects. I view such physical systems as specialized computers /natural computers. These natural computers (physical systems), as they evolve in phase space, can be seen as performing a computation or executing a natural algorithm to solve a specific problem. In particular, I consider physical systems that apparently solve problems that are hard to solve by using conventional computers. I view the physical systems themselves not their numerical simulations as computers. I discuss three main ideas: A gravity powered computer constructed out of beads and rods of an abacus that can perform data processing tasks like sorting, searching, etc. on an unsorted database; Bilateral Computing paradigm for the construction of natural physical computing devices, whose operation blurs the distinction between computing and inverting a mathematical function; Balance Machine, a generic natural computational model that is shown to be computationally universal.
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