Vacuum Airship

Can an electron and positron actually orbit each other, without anilating each other into gamma rays?
And if they can what would keep the these atoms from anilating each other when they bumped into each other.
best regards,
pete

GARY ANSORGE wrote: Actually, the best lifting gas of all is positronium,
a theoretical gas made of Positrons with orbital
electrons. It could have 1/1800th the mass of hydrogen
and would require no heavy
container,,, theoretically, ,,

GAry 7

>
> > I thought up the idea of using a vacuum for
> lifting an airship
> > years ago. One thing though...you don't need a
> compleat vacuum so
> > your envelope may not have to be so strong.
>
> Now this is a thought. Perhaps helium at high
> temperatures and very
> low pressures? Something the size of nine blimps,
> using the same mass
> of helium as one uses now? And as we improve the
> envelope, we use
> less and less, until it really is a vacuum airship.
>

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