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176,999 Views ā¢ Mar 24, 2024 ā¢ Click to toggle off description
I want to explore whether these systems will fall into the same traps as conventional nuclear power, or finally offer the trinity of inexpensive, reliable and intrinsically safe energy.
First Light Fusion Video: Ā Ā Ā ā¢Ā InsideĀ TheĀ UKsĀ BreakthroughĀ FusionĀ Re...Ā Ā
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YouTube Comments - 863 Comments
Top Comments of this video!! :3
The Moltex Static Salt design does away with almost every hazard from traditional nuclear power. Its sheer simplicity and intrinsic safety should dramatically reduce costs. Itās also scaleable by building more reactors on the same site. It is naturally load following and and cannot over heat. Excessive temperature stops the nuclear reaction long before it becomes dangerous. It could be disconnected from load at full power and nothing nasty would happen. It has boron shut-down rods but they are not needed as an emergency tool.
There is no water or steam in the core so no pressure and considerably less corrosion than we get in PWR cores.
We should be moving heaven and earth to build these things. Instead we have an out of control nuclear regulator that completely stalled progress. Moltex is now getting the job done in Canada.
15 |
3-mile island failure was not dmging, just widely broadcasted by media and blown out of proportion. You can actually look up a list of failures and only 2 out of over 100 were dmging, there are over 400 total plants in operation as over 2023, but there have also been at least 100 that have been shut down in the 10yrs earlier. Every modern navy ship is nuclear powered, not one failure on those since their start of use.
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Reactors in the 250-500MW range would be useful. I worked as a consultant for a Canadian power utility, who could have replaced their entire generation fleet with a couple of big reactors. It was not practical to do so because a typical large reactor is down for maintenance about 12 days a year. Taking a small modular reactor offline can be much more easily scheduled, if you have a fleet of them.
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the fact that Yellow Cake is not just less expensive than Printer Ink, but it's a low single-digit percentage, seems to be bordering on something profound... š¤£
6 |
Bro...I got through the whole video and then heard "Westinghouse is also announcing their lunar base nuclear reactor" and I just had a sudden flash of a realization that the sci fi future we envisioned is easily within our lifetimes if we just play our collective cards right (far more hopeful than certain, but still)
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@20:50 The lunar night is between 1.5 and 3.5 days? I don't think so. More like 14 to 15 days.
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4:05 Super critical doesn't automatically mean bomb or else it would be impossible to get the reactor to produce more than decay heat. The whole runaway melting/boom thing has to do with prompt criticality and a bunch of fun physics.
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20:18 "...in the northern hemisphere and so receive less sunlight."
I'll remind you that the northern hemisphere starts at the equator, and covers one-half of the Earth.
Cheers.
25 |
I got 70% through this and still no mention of the Thorium Molten Salt Reactor (which we had working just fine over 50 years ago). Why is that?
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10/10 for excitement 5/10 for technical knowledge, 2/10 for commercial application, 0/10 for future use of micro nuclear plants. We have major switchgear yards adjacent to previous nuclear plants. These are the ideal sites for re-siting without significant GRID restructuring. It is the GRID STRUCTURE that determines the future generation sites not the generator.
4 |
I had this discussion with some friends who live in a small town a few hours away from me. They were very enthusiastic about a small scale nuclear reactor that could be dropped off in their town, solving their energy problems forever. I asked them to have a look at their current lot of local councillors and council staff and choose somebody they could could trust to run the little plant, keep it safe for generations, and dispose of the waste. Nobody could put forward a name they would trust, which suggests to me that safety of these things depends on more than just good engineering.
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āJust discovered your channel and Iāve already subscribed! You have a knack for explaining complex systems in a way thatās easy to understand, even for someone with little prior knowledge. Keep up the great work!ā
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The 3+gen European EPR reactor is producing 1600MW so the SMR mention in this video need 21 reactors to produce the same amount of power. EPR is buildt at 8-9M$ for each Megawatt, but the failed Nuscale/Utah project clocks in at 20M$/Mwat. Nuclear is ridiculously expensive both at small or large scale. Even before waste handeling is considered.
3 |
When every legal obstacle is thrown at a nuclear power plant project by green activists the price goes up. Since the activists don't have anything else to do it's cost effective for them and grossly expensive to the project. Time is money in construction. Every delay means compensation to contractors who should be working on building but can't proceed until the lawsuits are resolved. Green activists have gotten very savvy at timing litigation to increase costs to building projects as much as possible.
14 |
Dr. Miles ignored the single biggest use case for mobile SMRs in the 50-80 MW range: commercial shipping.
31 |
Another market for micro-reactors, is for self-consumption industrial use (e.g., manufacturing and tech). Tech companies are little more open to risk taking, exploring new technologies, esp. if they are low carbon. They. also have deep pockets and can take the early adopter premium. The growth of data centers, increasing energy use from AI, presents another use case, guaranteed uptake, to jumpstart a new industry.
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This is the first I have heard of Micro Nuclear Reactors. I like it! Additional to terrestrial use, I could see something like this deployed on the Moon and Mars. Well done!
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Very good presentation. Particularly impressive is your explanation of the accident at Chernobyl's Unit number 4. I have studied the event in detail, including perusing actual blueprints of the RBMK reactor. You are correct while being nicely concise. Thank you.
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There are actually several ways to enrich uranium. For many years we used gaseous diffusion. Currently the most efficient method is gaseous centrifuge enrichment. In the future there is high hopes for a process called laser enrichment.
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@TheAceOverKings
1 month ago
4:15 Supercriticality just means "reaction rate goes up", which is quite important when starting up a reactor. Increasing heat output is key for going from 'warm rock' to 'useful power plant'. It's just uncontrolled supercriticality which is bad.
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