there is even more recent information on that test http://nextbigfuture.com/2014/09/nasa-cannae-drive-and-emdrive.html and previous http://nextbigfuture.com/search/label/emdrive
read also wired answer to some critics http://www.wired.co.uk/news/archive/2014-08/07/10-qs-about-nasa-impossible-drive Shawyer give more on his version http://emdrive.com/ http://www.emdrive.com/yang-juan-paper-2012.pdf http://emdrive.com/faq.html forget the theories, there are 4 (relativity with Shwayer, maxwell QM for chinese, Fette which is disproven experimentally, and nasa idea of quantum plasma)... the main reason to take those test seriously is that all armchair artifacts have been taken seriously and mitigated. moreover the effect happens only at resonance, which eliminate nearly all artifact claims. in the paper of nasa there is the most important comment lost at the end, that it did not work when removing some dielectric (science publication by footnotes like for HTSC http://www.mosaicsciencemagazine.org/pdf/m18_03_87_04.pdf ) the annoying facts is that, even when accounting for power difference, the "efficiency" of fetta, null fetta, and shwyer reactors are very different... maybe teh Q factor... even shawayer reactor when tested by yang Juan did not exhibit monotonic power to thrust relation... more work to do to confirm it. I have a scoop.it used as a link bin, if you want to dig http://www.scoop.it/t/emdrive a real blackswan technology, unlike LENR which is a whiteswan covered with soot. 2014-09-19 17:55 GMT+02:00 MarkI-ZeroPoint <zeropo...@charter.net>: > FYI: > > I know this kind of tech has been discussed by the Collective before, but > here’s some recent results from NASA… > > > http://www.libertariannews.org/wp-content/uploads/2014/07/AnomalousThrustProductionFromanRFTestDevice-BradyEtAl.pdf > > > > Excerpt from Abstract: > > “During the first (Cannae) portion of the campaign, approximately 40 > micronewtons of thrust were observed in an RF resonant cavity test article > excited at approximately 935 megahertz and 28 watts. During the > subsequent (tapered cavity) portion of the campaign, approximately > 91 micronewtons of thrust were observed in an RF resonant cavity test > article excited at approximately 1933 megahertz and 17 watts. > Testing was performed on a lowthrust torsion pendulum that is > capable of detecting force at a single-digit micronewton level. > Test campaign results indicate that the RF resonant cavity thruster > design, which is unique as an electric propulsion device, is producing a > force that is not attributable to any classical electromagnetic > phenomenon and therefore is potentially demonstrating an interaction > with the quantum vacuum virtual plasma.” > > > > -mark iverson > > >
