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October 6, 2019Biological composites—complex structures for functional diversity | Science
September 30, 2019http://science.sciencemag.org/content/362/6414/543
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An example is the combination of rigidity and flexibility in protein-based teeth of the squid sucker ring. Other examples are time-delayed actuation in plant seed pods triggered by environmental signals, such as fire and water, and surface nanostructures that combine light manipulation with mechanical protection or water repellency. Bioinspired engineering transfers some of these structural principles into technically more relevant base materials to obtain new, often unexpected combinations of material properties. Less appreciated is the huge potential of using bioinspired structural complexity to avoid unnecessary chemical diversity, enabling easier recycling and, thus, a more sustainable materials economy.
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Timescales in Biology
September 29, 2019https://www.cell.com/cell/pdf/S0092-8674(16)30208-2.pdf
How to stop data centres from gobbling up the world’s electricity
September 29, 2019QT:{{”
“The savings made by hyperscale centres can be seen in their power usage efficiency (PUE), defined as the total energy needed for everything, including lights and cooling, divided by the energy used for computing (a PUE of 1.0 would be a perfect score). Conventional data centres typically have a PUE of about 2.0; for hyperscale facilities, that’s been whittled down to about 1.2. Google, for one, boasts a PUE of 1.12 on average for all its centres.
Older or less technologically adept data centres can contain a mix of equipment that is hard to optimize — and some that is even useless. In 2017, Jonathan Koomey, a California-based consultant and leading international expert on IT, surveyed with a colleague more than 16,000 servers tucked into corporate closets and basements and found that about one-quarter of them were “zombies”, sucking up power without doing any useful work — perhaps because someone simply forgot to turn them off. “These are servers sitting around doing nothing except using electricity, and that’s outrageous,” says Koomey.”
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Too Much Training Can Tax Athletes’ Brains
September 28, 2019how to get twitter data
September 28, 2019A Big Bridge In The Wrong Place : Planet Money : NPR
September 28, 2019Predicting the 2020 Boston Marathon Cutoff Time with the World’s Largest Running Data Set
September 28, 2019Esalen Institute – Wikipedia
September 24, 2019GAN
September 14, 2019Style-based GANs – Generating and Tuning Realistic Artificial Faces
https://www.lyrn.ai/2018/12/26/a-style-based-generator-architecture-for-generative-adversarial-networks/
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