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A Thorium-Salt Reactor Has Fired Up for the First Time in Four Decades

thoriumenergyworld.com

131–140 of 170 posts

Re: A Thorium-Salt Reactor Has Fired Up for the First Time in Four Decades

#131

A couple of comments; First it is really awesome to see actual research experiments being done on the materials. This is a critical first step in understanding the underlying complexity of the problems and as the article points out it is really helpful to have a regulatory agency that is open to trying new things. The second is this isn't a 'Thorium-Salt Reactor' it is 'parts that would go into parts that would make…

The second is very important, there is still a lot of research and engineering to have:

* a (ideally several) functioning research reactor

* an industrial prototype

* and finally a fully functional commercial plant

It's a step in the right direction, but the road is very long.

Re: A Thorium-Salt Reactor Has Fired Up for the First Time in Four Decades

#132
post #101

Earlier quoted context omitted.

The problem is they need huge subsides to cover the risks, and even then it costs more than other clean alternatives. How much solar/wind + pumped hydro can you buy just from the costs associated with Fukushima Daiichi cleanup / evacuation etc? Even coal which has long been the cheapest but dirty option is having trouble competing.

> Even coal which has long been the cheapest but dirty option is having trouble competing. *with $2 Natural Gas The solar/wind $23/MWh production tax credit is not really something that's easy for anyone to compete with, except natural gas. [1] You're right that nuclear needs to get its costs down, especially to play in the west. We know it can be done because the French electrified nearly their entire grid with nuke…

> Building tornado-hardened designs in tsunami zones does not pay off

The big issues are keeping our construction, engineering, and regulatory agencies active with the subject material and with industry, and allowing saner reactor technologies into commercial use.

Fukishima was not far off from surviving that catastrophe as was. More robust training for emergency response would have avoided them pumping the water the wrong way, and something as simple as raising their backup generator a few meters off the ground would have done the trick.

More vitally, pushing techs into commercial production like thorium-salt reactors (among many others!), would provide failure modes that are INSANELY better than what we get from light water reactors. It's just about the most insane thing to do with radioactive power sources... surround them with something under pressure that violently expands and tries to go right to the atmosphere...

I think the tsunami zones should be fine for reactors, we just need to start with reactor designs that will thrive in failure. Your molten salts turning into rock and keeping themselves contained during a breach or flood, for example, is something that's highly amenable to disaster planning.

Re: A Thorium-Salt Reactor Has Fired Up for the First Time in Four Decades

#133
post #59

Earlier quoted context omitted.

I've seen an increase in the number of NLP bots that give snippets, but they're far from consistently being accurate. Are there any services that can give you summations like this, kind of like the WSJ's What's News section?

Sometimes, the best summary is "this article is bunk". You won't get that from a bot. The fatal flaws in bad journalism are too often subtle and require careful parsing or outside knowledge to identify.

I think it's easily quantifiable what's a good article. Clear statement at the top that refers to big things, not a storytelling bullshit opening, then the body of the article provides support for that top statement, and later portions are basically just more of the same gradually unfolding sub-articles.

If this structure is lacking, it'll be obvious to sentiment analysis, that there are too much free floating statement, and the article either requires too much outside knowledge (in field expertise), or it's just gossip.

And of course it can be "easily" estimated how novel the statement is, what quality the sources and support are, and so on.

Re: A Thorium-Salt Reactor Has Fired Up for the First Time in Four Decades

#134

Earlier quoted context omitted.

Definitely the latter. I just hope to find other ways to influence people's feelings about things like nuclear reactors. If some epic rebranding is what it takes, then that's great. I feel that it will take more than that.

Any such rebranding would probably last about as long as it takes people to learn that the facilities are built by nuclear contractors, regulated by the NRC, and employing nuclear operators.

More importantly: any such rebranding would ignore how we got into the current predicament to begin with...

Oil, gas, and coal companies have known about climate change for decades, and it represents a threat to untold megabillions worth of profits and business. It is no coincidence they have been pushing anti-nuclear FUD, sponsoring hack research, pushing "green" blogs, NIMBY campaigns, and such for decades. Coordinated, professional, smear campaigns masquerading as environmental issues.

Leaked presentations and marketing materials have shown those companies have triangulated the issue quite simply: They cannot win on facts. They cannot convince everyone to keep fossil fueling it up on the merits of their argument. They can, however, cause enough confusion and knee-jerking to keep the "debate" about climate change open to paralyze political action. They have also pushed pie-in-the-sky green solutions which are superficially satisfying but fundamentally entrench their interests until we're past the point of no return. Push the starting line so far forward that we just have to give up.

That the "environmentalists" on the left have spent 20+ years pushing the strategic interests of Big Coal and Big Oil using their resources and bad science is the result of willful manipulation. That manipulation is a response to the threat of atomic energy and climate change legislation in light of our global infrastructure cycles.

That is to say: if you call fission "grandmas apple pie" it will be a very short time before we're all convinced that grandmas apple pie is dangerous, impractical, too expensive, poorly thought out, not scalable, not feasible, and impossible to do right. Forget what the stats say. Do not look at Ontario. Pretend France is not real. There will be blogs. There will be glossy signs. There will be "grassroots activism", tweet campaigns, and coordinated messaging about Big Grandma and the cancerous properties of Pie. The anti-GMO people will now be anti-grandma, too.

We are playing a game against well-connected oligopolists... We only get to win if we win. They get to win if they win, or if the clock runs out. So guess what the strategy is?

Re: A Thorium-Salt Reactor Has Fired Up for the First Time in Four Decades

#135
post #76

I think we're making a serious PR mistake calling these "Thorium Reactors" even though the term is accurate. "Reactor" evokes "Nuclear Reactor". For many people, "nuclear reactor" is a deeply loaded term. Likewise "Thorium" (and other words that end in "-ium") sounds dangerously like "plutonium" and "uranium". It doesn't matter how much better/safer this technology is. Don't expect the public to respond positively wh…

I think nuclear power could follow other products like Nuclear Magnetic Resonance Imaging (NMRI) and just drop the word Nuclear (MRI). How about fission power or fusion power, depending on the source?

Since we're talking about rocks, and heat, I kinda wonder if "geothermal" might be a viable misnomer.

Fusion is fine for now, but "fission" has already been chicken-littled :/

Re: A Thorium-Salt Reactor Has Fired Up for the First Time in Four Decades

#136
post #6

Glad to see they are resuming research even though there remain problems with it as a commercial technology.

even though there remain problems with it as a commercial technology Such as...?

There are quite a few issues which this site goes into quite well https://whatisnuclear.com/articles/thorium.html

Basically you can make reactors using it but it would probably work out more expensive than conventional ones.

Re: A Thorium-Salt Reactor Has Fired Up for the First Time in Four Decades

#137
post #102
post #60

Earlier quoted context omitted.

Coverage isn't great, but these two have managed to get in to my bookmarks: http://thecontext.net/ https://legiblenews.com/ I seem to recall a similar weekly service for HN but I can't recall the name of it.

http://n-gate.com/ - just kidding! Maybe http://www.hackernewsletter.com/ but that's an email.

From the n-gate page:

> Pasting n-gate content or generally talking about n-gate on "Hacker" "News" is a violation of the Prime Directive.

In other words, they want to publish their rants, but are unwilling to discuss their views with anyone, not even the very people they are criticizing. This may be a valid (although insane) approach for a blog, but somewhat contradicts their stated goal:

> The purpose of n-gate is to be a remote island of contemptuous sanity in a sea of ridiculous webshit.

Re: A Thorium-Salt Reactor Has Fired Up for the First Time in Four Decades

#138
post #102
post #60

Earlier quoted context omitted.

Coverage isn't great, but these two have managed to get in to my bookmarks: http://thecontext.net/ https://legiblenews.com/ I seem to recall a similar weekly service for HN but I can't recall the name of it.

http://n-gate.com/ - just kidding! Maybe http://www.hackernewsletter.com/ but that's an email.

Is ngate some kind of let's rain shit on hacker news kind of site? Because it looked like that.

Re: A Thorium-Salt Reactor Has Fired Up for the First Time in Four Decades

#139
post #102

Earlier quoted context omitted.

http://n-gate.com/ - just kidding! Maybe http://www.hackernewsletter.com/ but that's an email.

Is ngate some kind of let's rain shit on hacker news kind of site? Because it looked like that.

This description is unfair and not correct. They also rant about FOSDEM.

Re: A Thorium-Salt Reactor Has Fired Up for the First Time in Four Decades

#140
post #59

Earlier quoted context omitted.

I've seen an increase in the number of NLP bots that give snippets, but they're far from consistently being accurate. Are there any services that can give you summations like this, kind of like the WSJ's What's News section?

The most important change we could make would be to consistently upvote comments that are explicitly abstracts/tldr's, rather than downvoting them based on the mistaken thinking that this will force people to read the entire article and improve discussion. There is latent desire to supply this service for free if it isn't penalized.

Or people could read the articles. For most topics don't want to bother to have a discussion with someone that only knows what was in the TLDR comment. Maybe it's a little too Aristotelian for your tastes but I think taking the time to read the article is a decent barometer for genuine interest in discussion. If I wanted to read lulzy drive by comments on articles based of what was in a TLDR I would not frequent HN.
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