This is the company that Paul Hawken and Amory Lovins are advisors to... fibonacci spiral fan blades in various applications to reduce turbulent flow-- haven't heard much from them since a big splash in 2007 and 2008.
D On Jan 4, 12:13 am, Andrew Lockley <[email protected]> wrote: > http://www.treehugger.com/files/2010/01/a-new-spin-on-climate-enginee... > A New Spin on Climate > Engineering<http://www.treehugger.com/files/2010/01/a-new-spin-on-climate-enginee...> > by April Streeter, Gothenburg, > Sweden<http://www.treehugger.com/author/april-streeter-gothenburg-swed-1/> > <http://www.treehugger.com/feeds/authors/april.xml> on 01. 3.10 > SCIENCE & TECHNOLOGY <http://www.treehugger.com/science_technology/> > <http://digg.com/submit?url=http://www.treehugger.com/files/2010/01/a-...><http://www.reddit.com/submit?url=http://www.treehugger.com/files/2010...><http://www.facebook.com/share.php?u=http://www.treehugger.com/files/2...><http://www.stumbleupon.com/submit?url=http://www.treehugger.com/files...>BUZZ > UP!<http://buzz.yahoo.com/buzz?publisherurn=treehugger556&guid=http%3A%2F...> > > [image: Spinning-Vortex.jpg] > *Photo of a water vortex by Renzo > Ferrante<http://www.flickr.com/photos/erreeffe/359444433/> @ > flickr.* > > Jay Harman's idea of using spiral dynamics to create spinning, vortex-shaped > impellers that serve as heat sinks and buy us time to avert climate changes > with a clean energy economy is not new. We've chronicled Harman's > biomimicry-inspired > inventions > before<http://www.treehugger.com/files/2009/04/biomimicry-revolution.php>. > And > geoengineering's<http://www.treehugger.com/files/2009/12/filmmaker-robert-greene-weath...> > promise > has yet to be realized in combating warming temperatures. Yet Pax > Scientific, a company Harman helped found, is now proposing to carry out a > one-year study, says a special issue of > Ode<http://www.solutionsweneednow.org/>, > to figure out exactly how much anthropogenic warming might be offset by > Harman's brand of atmospheric engineering, and at what cost. > > [image: Sun-and-Cloud-Vortex.jpg] > *Photo of a sun and cloud vortex by > ccgd<http://www.flickr.com/photos/ccgd/190217994/> @ > flickr.* > > Pax Scientific is proposing to carry out a one-year study that would use > atmospheric modeling, energy scaling, and modeling of vortices to see if > Harman's theory that a vortex impeller could be used to mix the atmosphere, > bringing it back into balance, and providing some cooling will work. > > Computer modeling had already confirmed, according to Ode, that a 747 > aircraft engine could create a vortex that could redistribute energy in a > sky space 6 miles by 31 miles. > > Of course, there are some unknowns and dangers, the first being how to keep > the vortex under some semblance of control, as if it cut loose from its > source, it could wreak havoc. Harman proporses setting up a nearby vortex to > cancel out the first. > > Another problem would be making sure that the technology were controlled by > a "trusted" international authority. > > Pax plans to publish the results of its study in an open-source scientific > journal and provide an overall feasibility assessment of the vortex for > climate cooling concept. > > Harman is not under the illusion that this is a solution to global warming - > the task will still exist to transition to a clean energy economy that gives > us the energy we need without the carbon dioxide emissions. However, in a > recent podcast on Designing with > Nature<http://aworldofpossibilities.org/program/designing-with-nature>, > he was optmistic and enthusiastic about the application of vortexes and > spirals to lots of design questions. > > "There's no energy shortage in nature...nature is remarkable at reducing > drag and friction...via spiraling...we need to translate that to the > industrial world." > > *Read more on TreeHugger about Harman and geoengineering:* > PaxFax: An Effective Spiral > Fan<http://www.treehugger.com/files/2005/06/paxfan_an_effec.php> > Filmmaker Robert Green on Weather > Modification<http://www.treehugger.com/files/2009/12/filmmaker-robert-greene-weath...> > Geoengineering to Stop Climate Change: The Effective, the Risky and the > Useless Outlined in New Research > Paper<http://www.treehugger.com/files/2009/01/geoengineering-the-effective-...> > 7 Geoengineering Solutions That Promise to Save Humans From Climate > Change<http://www.treehugger.com/files/2009/02/7-geoengineering-solutions-wh...> -- You received this message because you are subscribed to the Google Groups "geoengineering" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/geoengineering?hl=en.
