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Latest news on complex systems in life sciences, engineering, education and government
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How the zebra got its stripes, with Alan Turing

How the zebra got its stripes, with Alan Turing | Complex Insight  - Understanding our world | Scoop.it
Where do a zebra’s stripes, a leopard’s spots and our fingers come from? The key was found years ago – by the man who cracked the Enigma code, writes Kat Arney.
ComplexInsight's insight:

Alan Turing’s published  his ‘chemical morphogenesis’ research  paper in 1952, 2 years before his tragic and untimely death. The paper opened the discussion on how computation and biology may be at fundamentally linked, a thread which continues to be ripe with exploration today. Great article from Mosaic Science explaining the ideas in turings paper and the 60 years of subsequent research.


 


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Limits on fundamental limits to computation

An indispensable part of our personal and working lives, computing has also become essential to industries and governments. Steady improvements in computer hardware have been supported by periodic doubling of transistor densities in integrated circuits over the past fifty years. Such Moore scaling now requires ever-increasing efforts, stimulating research in alternative hardware and stirring controversy. To help evaluate emerging technologies and increase our understanding of integrated-circuit scaling, here I review fundamental limits to computation in the areas of manufacturing, energy, physical space, design and verification effort, and algorithms. To outline what is achievable in principle and in practice, I recapitulate how some limits were circumvented, and compare loose and tight limits. Engineering difficulties encountered by emerging technologies may indicate yet unknown limits.

 

Limits on fundamental limits to computation
Igor L. Markov
Nature 512, 147–154 (14 August 2014) http://dx.doi.org/10.1038/nature13570


Via Complexity Digest
ComplexInsight's insight:

Discussion of limits is key to creating new ideas - Igor Markov's paper is worth reading for exploring lmitations and engineering implications and to trigger off new discussions and ideas. Worth reading.

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