linkedin post 2019-03-20 04:51:39

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CAMBRIAN EXPLOSION OF DIVERSITY. "Tierra creatures take resources (energy) and compete for computer time and computer memory, in order to reproduce themselves, and promote their survival. Tierra is a type of evolutionary process in a completely alien environment that can diversify like organic life had. It very quickly diversified and became very rich without any further help from Ray." https://lnkd.in/d_8VqjV View in LinkedIn
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linkedin post 2019-03-20 04:49:33

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TIERRA EVOLUTION. "Informational parasites are mutations that steal CPU from the host programs; and, the hosts can also steal CPU from the parasite. Hyper-parasites are hosts that have stolen information from the parasites. Next was cooperation, then cheating. Complexity was born." https://lnkd.in/d_8VqjV View in LinkedIn
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linkedin post 2019-03-19 05:25:44

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TIERRA was "another world that I could inoculate with life, not the same world that we live in, it's not the world of the chemistry of carbon and hydrogen, it's a different universe, the chemistry of bits and bytes." The CPU was the source of energy like the sun in the real world, and the creatures lived in the memory chips. https://lnkd.in/d_8VqjV View in LinkedIn
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linkedin post 2019-03-19 05:21:11

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CREATIVE SOLUTION. "Ray reduced the number of letters in the computing language to 32, comparable to the 20 of the genetic language. Mutations in numbered code shuffled the numbers and the bits that fit together could not find each other. So Ray changed number locations in code for shapes, so after mutation, they could still find each other, just like in cells, or the principle of matching metaphorical shapes in 1s and 0s, the language of the binary alphabet." https://lnkd.in/d_8VqjV View in LinkedIn
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linkedin post 2019-03-23 04:54:23

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BEYOND THE ONION. "Importantly, the comparison is not restricted to onions versus humans. It could as easily be between pufferfish and lungfish, which differ by ∼350-fold, or members of the genus Allium, which have more than a 4-fold range in genome size that is not the result of polyploidy." https://lnkd.in/eT5V5Xc View in LinkedIn
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linkedin post 2019-03-21 06:00:58

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INNOVATIVE SURVIVAL. "The swift and drastic size reductions of those first runs startled Ray, but even more remarkable were the survival strategies these variants encoded. The 45- and 51-byte creatures, it turned out, were not worms but bona fide parasitic viruses, achieving their leanness by borrowing reproductive code from larger programs when they needed to copy themselves." https://lnkd.in/edrARjk View in LinkedIn
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