Earlier, Stewart Kissel wrote:

http://fuellessflight.com/

Interesting concept being developed on this website.

Oh, that's truly a hoot. I just emailed that link to
a couple of my engineer friends (ones who don't follow
RAS). We're all standing by to see if the three laws
of thermodynamics start showing up on milk cartons.

Thanks, and best regards

Bob K.
http://www.hpaircraft.com

Bob K