Chinese Say They're Building 'Impossible' Space Drive

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Dissident
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Chinese Say They're Building 'Impossible' Space Drive

Postby Dissident » Thu Sep 25, 2008 9:26 pm


kurt9
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Postby kurt9 » Thu Sep 25, 2008 10:48 pm


Torulf2
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Postby Torulf2 » Fri Sep 26, 2008 12:07 am

Intuitively it seems to be against the 3d law of Newton. But maybe not.

pstudier
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Postby pstudier » Fri Sep 26, 2008 12:45 am

In spite of their double talk about frames of reference, this still violates conservation of momentum. Draw a box around the system and ignore what is inside. Nothing comes out, except a little heat. Without some outlet for the momentum, there can be no thrust.

Here is a paper which uses a different argument concerning the photons that bounce around the inside:

Perhaps there is some error in their measurements. Maybe when it warms up, there are convection currents.
Fusion is easy, but break even is horrendous.

kcdodd
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Postby kcdodd » Fri Sep 26, 2008 6:39 am

Carter

ravingdave
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Postby ravingdave » Fri Sep 26, 2008 3:56 pm


TallDave
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Postby TallDave » Fri Sep 26, 2008 4:11 pm

n*kBolt*Te = B**2/(2*mu0) and B^.25 loss scaling? Or not so much? Hopefully we'll know soon...

kurt9
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Postby kurt9 » Fri Sep 26, 2008 4:44 pm


ravingdave
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Postby ravingdave » Fri Sep 26, 2008 4:48 pm


93143
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Postby 93143 » Fri Sep 26, 2008 5:55 pm


ravingdave
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Postby ravingdave » Fri Sep 26, 2008 6:13 pm


Solo
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Postby Solo » Fri Sep 26, 2008 7:17 pm


93143
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Postby 93143 » Fri Sep 26, 2008 7:28 pm


gblaze42
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Postby gblaze42 » Fri Sep 26, 2008 8:17 pm


pstudier
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Postby pstudier » Fri Sep 26, 2008 9:44 pm

Fusion is easy, but break even is horrendous.


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