You can learn a lot more about it here on HN where it was discussed endlessly 8 months ago: http://searchyc.com/submissions/dyson+fan?sort=by_date http://searc

You can learn a lot more about it here on HN where it was discussed endlessly 8 months ago: http://searchyc.com/submissions/dyson+fan?sort=by_date http://searchyc.com/submissions/dyson+fan?sort=by_date