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A comment on Y Combinator And Mithril Invest In Helion, A Nuclear Fusion Startup. Parent comment

Re:Y Combinator And Mithril Invest In Helion, A Nuclear Fusi... by sillysaurus3 on Thursday August 14, 2014 @04:21PM (#8179643)
Rather than a literal plasma gun, I think they were just saying the risk is that the team will pivot into weapons research. But no one has thus far explained why weapons research would be anything but a positive thing.

Yes, using weapons is unfortunate. The decision to ever use a weapon should be made with the utmost discretion. But when it comes time to use a weapon, it seems hard to argue against having the most effective weapons that also have little collateral damage.

Maybe people are worried that a new, extremely effective weapon will be discovered which happens to have high collateral damage. That's a concern, but it's never been possible to delay the advancement of technology. If something is possible to discover, then it seems like some diligent researcher will eventually discover it. But the concern itself seems misplaced: most new weapons have less collateral damage, not more.

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Re:Y Combinator And Mithril Invest In Helion, A Nuclear Fusi... by aetherson on Thursday August 14, 2014 @04:46PM (#8179766)
And what I'm saying is that regardless of the ethics of it, why should we regard it as in any way plausible that this company would pivot into weapons research?

By a huge margin, the most plausible military application of anything this company develops is "a fusion reactor on an aircraft carrier."

And I say that as someone who regards it as deeply unlikely that this company will create any major step towards a fusion reactor.

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Re:Y Combinator And Mithril Invest In Helion, A Nuclear Fusi... by hindsightbias on Thursday August 14, 2014 @11:12PM (#8180892)
Not big enough for a carrier, and that last generation is already designed.

But about right for a submarine.

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Re:Y Combinator And Mithril Invest In Helion, A Nuclear Fusi... by afarrell on Thursday August 14, 2014 @04:42PM (#8179740)
I think people are worried about a low-collateral-damage weapon which means political leaders can be more likely to deploy it. Observe the objections to the use of precision-guided munitions fired from long-hovering remote-controlled drones.
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