March 12, 2013
Mohenjo
Science
3d printer, amazon, animal kingdom, animals, business, Chicago, climate, fluid dynamics, gaming, Hotels, huffingtonpost, Knot Math, Knot Physics, Knot Vortex, knotted vortex, Mathematics, Physics, physics experiment, research, Science, Science News, shoelaces, technology, Technology News, Topology, travel, Turbulence, University of Chicago, vacation, Video, videogames, vortex, Weird Science
FROM
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After a century of studying their tangled mathematics, physicists can tie almost anything into knots, including their own shoelaces and invisible underwater whirlpools. At least, they can now thanks to a little help from a 3D printer and some inspiration from the animal kingdom.
Physicists had long believed that a vortex could be twisted into a knot, even though they’d never seen one in nature or the even in the lab. Determined to finally create a knotted vortex loop of their very own, physicists at the University of Chicago designed a wing that resembles a delicately twisted ribbon and brought it to life using a 3D printer.
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http://www.huffingtonpost.com/2013/03/04/knot-physics-experiment-water-knotted-vortex-loop_n_2806702.html?utm_hp_ref=mostpopular
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June 27, 2012
Mohenjo
Science
a study on the Arxiv server, arts, bbc, bbc news, business, cars, Cathal Cummins, celebrities, climate, current-events, entertainment, Eugene Benilov, falling bubbles, fluid dynamics, formation of bubbles in liquids, Future, Green News, guinness, Health, hollywood, human-rights, liquid carried the bubbles down, mathematicians, medicine, mental-health, nature, news science, nitrogen is less likely to dissolve in liquid, photography, politics, religion, research, Science, science environment, Science News, sinking fluid, technology, transportation, travel, TV, University of Limerick, vacation, William Lee, World News, www bbc co uk
FROM
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Irish mathematicians may have solved the mystery of why bubbles in stout beers such as Guinness sink: it may simply be down to the glass.
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http://m.bbc.co.uk/news/science-environment-18247680
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James' World 2 