You've got it exactly. With the right proportions to the cog, you could pull off 'cog' and 'halo' simultaneously... and it's an upside down power...
I'd be worried that would make the 'on button' look a little too obvious, don't you think?
Full credit: I stole Maruun's picture and edited it in Paint. Because I am a terrible artist. Thanks, Maruun! We're all in this together, right? :)...
What about... an 1/0 symbol whose ring *is* a cog? That'd fit the symbolism, all right.
... You know, there's something to be said for your logo. I don't like the hammer - too 'biological' for a race that runs on creation via green...
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