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Comment Re:What you could buy with 400 billion euro ..... (Score 1) 450

you don't seem to have factored in the cost of mining, refining and shipping the uranium, nor the cost of waste storage. Even if you are able to refine and use the waste, you still have to store it in the meantime.
The resource is also not renewable and very finite if we start widely using it.

Comment Re:"Weird"? (Score 1) 161

Looking a little further down the periodic table, we find Silicon, which, like Carbon, has a +4 valence. This gives it a staggering variety of possible molecular combinations. We have seen in Geochemistry long chains such as those in in some amphiboles and sheet like structures in Mica. I'd guess that if there was a higher temperature overall ansd some form of dipole liquid to serve as a transporter of ions, we might have a viable buiochemistry.

Aside from that, I largely agree with your points.

Comment Re:But just the other day... (Score 1) 177

...and for you too

"I'll note: this has nothing to do with dark matter. As it happens, 90% of the matter in the Universe is in a form that emits no light, but affects other matter through gravity. We know it exists ... locally, in nearby galaxies and clusters of galaxies, too. This new result doesn't affect that, since the now un-hidden galaxies are very far away, like many billions of light years away. They can't possibly affect nearby galaxies, so they don't account for dark matter."

This was from the article in that story to which you refer. I just quoted this for someone immediately above you.

Comment Re:Isn't Dark Matter passé? (Score 2, Informative) 177

I know this is slashdot, but you could try RTFA that that article links to...

"I'll note: this has nothing to do with dark matter. As it happens, 90% of the matter in the Universe is in a form that emits no light, but affects other matter through gravity. We know it exists ... locally, in nearby galaxies and clusters of galaxies, too. This new result doesn't affect that, since the now un-hidden galaxies are very far away, like many billions of light years away. They can't possibly affect nearby galaxies, so they don't account for dark matter."

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