What you are missing includes 1) Disposal of long term hazardous nuclear waste. 2) Problems in maintaining / decommissioning ol older nuclear fission plants 3) Examples like we are seeing Ukraine's nuclear plants caught up in a war.
On Fri, Dec 16, 2022 at 2:59 AM Gillian Densmore <gil.densm...@gmail.com> wrote: > Ok so this is cool and all. > Sigh I'll ask *that* question. We want less carbons because the planet is > on f'n fire <https://www.youtube.com/watch?v=IFgBFYkBZ6E> . As far as I > know humans (in the very least) accelerated climate change. Ie we made this > mess clean it up. ok fair so far I'm following. > So uh why not just start with fission (breeders) ? Why not also put as > much money into matter/anti matter as well as fusion? We can make minute > amounts of antimatter in massive collider. I'd think something who's by > product are xrays gamma and some other stuff with a lot of energy created > would be a massive honney pot the department of energy would pursue as well. > I know the answer to fission (sadly) is NIMBY. (yes but it's a lot cleaner > and safer than oil and coal I say) > I don't know why we haven't looked at other things as well > What I'm saying is fusion has been humans icarus wings with it being just > arround the corner for decades. while matter/anti matter is (sort of) here. > Fission is here. Want zero carbons? cool! so why not build out a ton of > reactors we already can do. Or am I missing something? > > On Wed, Dec 14, 2022 at 8:31 AM Marcus Daniels <mar...@snoutfarm.com> > wrote: > >> How ICF might evolve into a power plant: >> >> https://firstlightfusion.com/technology/power-plant >> >> Sent from my iPhone >> >> On Dec 14, 2022, at 7:16 AM, glen <geprope...@gmail.com> wrote: >> >> Excellent! Thanks. I think I'll have to push this topic for another >> day. I've got a few more links from other fora I'll plop here just in case >> I only land back here if/when I pop it off the stack later: >> >> >> https://lasers.llnl.gov/news/magnetized-targets-boost-nif-implosion-performance >> >> https://spie.org/news/nuclear-fusion-nifs-hall-of-mirrors-may-solve-worlds-energy-crisis?SSO=1 >> >> https://www.science.org/content/article/fusion-power-may-run-fuel-even-gets-started >> >> https://arstechnica.com/science/2022/12/what-enabled-the-big-boost-in-fusion-energy-announced-this-week/ >> >> On 12/13/22 16:23, Steve Smith wrote: >> >> I think DT refers simply to the remaining fraction of Deuterium/Tritium >> remaining after the reaction event (-4%) without specific accounting for >> remaining D vs T. >> >> My understanding is that D-T fusion occurs at a lower temperature than >> D-D but that once fusion commences (starting with D-T), both D-T and D-D >> reactions occurring in similar amounts. In laser-driven ICF (as with NIF) I >> believe the ratio of D/T is nominally 50/50 though it would seem to make >> sense to have a higher T to D ratio but most references I see imply equal >> portions. An equal number of D-D and D-T reactions would seem to consume >> D more quickly, though as that commences, the D/T ratio would go down, >> making D-T reactions (yet) more likely... tricky business, no wonder it >> has taken decades to get to this point? >> >> The Wikipedia Entry on ICF is pretty good: >> https://en.wikipedia.org/wiki/Inertial_confinement_fusion >> >> I found several popular science Articles which seem to reinforce my sense >> that this "breakthrough" is not as significant as implied: >> >> >> https://www.science.org/content/article/fusion-breakthrough-nif-uh-not-really >> >> Other interesting/relevant links regarding D-T and D-D fusion... >> >> >> https://www.researchgate.net/publication/263507001_Species_separation_and_modification_of_neutron_diagnostics_in_inertial-confinement_fusion/figures?lo=1 >> >> https://www.energy.gov/science/doe-explainsnuclear-fusion-reactions < >> https://www.energy.gov/science/doe-explainsnuclear-fusion-reactions> >> >> https://science.jrank.org/pages/4732/Nuclear-Fusion-D-D-D-T-reactions.html >> < >> https://science.jrank.org/pages/4732/Nuclear-Fusion-D-D-D-T-reactions.html >> > >> >> On 12/13/22 4:36 PM, glen wrote: >> >> That's why I asked. I guess I'll assume DT means both deuterium and >> tritium, not just deuterium. If you were going to track fuel use, you'd >> track the rarer part more closely, right? >> >> >> On 12/13/22 09:22, Frank Wimberly wrote: >> >> DT = deuterium? >> >> >> --- >> >> Frank C. Wimberly >> >> 140 Calle Ojo Feliz, >> >> Santa Fe, NM 87505 >> >> >> 505 670-9918 >> >> Santa Fe, NM >> >> >> On Tue, Dec 13, 2022, 10:21 AM glen <geprope...@gmail.com <mailto: >> geprope...@gmail.com>> wrote: >> >> >> Awesome. Thanks. I'm still trying to catch up with the QC Wormhole >> kerfuffle. Who knew Quanta was so click baity? >> >> >> What is "DT"? >> >> >> On 12/13/22 09:02, Marcus Daniels wrote: >> >> > In case no one wanted to get up at 7:00am to watch DOE >> administrators talk: >> >> > >> >> > >> >> > 1. Controlling the laser in space and time was important for >> maintaining symmetry. Timing precision of 25e-12 secs and laser spatial >> precision of 5e-12 meter were needed. This was thought to be the main >> explanation for the achievement. >> >> > >> >> > 2. 8% more power on the laser this time >> >> > >> >> > 3. x-ray tomography is used to find flaws in the capsules. >> Developing software to do the counting. >> >> > >> >> > 4. They have ongoing efforts to study the fabrication systems and >> their components (done in Germany) to find idiosyncrasies of each. >> >> > >> >> > 5. Laser technology improvements since NIF was built which are 20% >> more efficient. >> >> > >> >> > 6. Target cost is from labor, and it takes 7 months each >> >> > >> >> > 7. 4% of DT is burned in a shot >> >> > >> >> > 8. Machine learning ties together radiation hydrodynamics and >> experimental data. (It sounded preliminary.) >> >> > >> >> > 9. The (successful) capsule had more defects than previous >> experiments. However, previous experiments did show benefits from capsule >> quality. >> >> > >> >> > 10. 15% of experiments are indirect drive of this kind, 15% of >> experiments are other approaches to ignition. The rest are weapons and >> materials characterization. >> >> > >> >> > 11. Anomalous laser directional control were problems in the >> summer runs. Fixed that. >> >> >> >> -- >> ꙮ Mɥǝu ǝlǝdɥɐuʇs ɟᴉƃɥʇ' ʇɥǝ ƃɹɐss snɟɟǝɹs˙ ꙮ >> >> -. --- - / ...- .- .-.. .. -.. / -- --- .-. ... . / -.-. --- -.. . >> FRIAM Applied Complexity Group listserv >> Fridays 9a-12p Friday St. Johns Cafe / Thursdays 9a-12p Zoom >> https://bit.ly/virtualfriam >> to (un)subscribe http://redfish.com/mailman/listinfo/friam_redfish.com >> FRIAM-COMIC http://friam-comic.blogspot.com/ >> archives: 5/2017 thru present >> https://redfish.com/pipermail/friam_redfish.com/ >> 1/2003 thru 6/2021 http://friam.383.s1.nabble.com/ >> >> -. --- - / ...- .- .-.. .. -.. / -- --- .-. ... . / -.-. --- -.. . >> FRIAM Applied Complexity Group listserv >> Fridays 9a-12p Friday St. Johns Cafe / Thursdays 9a-12p Zoom >> https://bit.ly/virtualfriam >> to (un)subscribe http://redfish.com/mailman/listinfo/friam_redfish.com >> FRIAM-COMIC http://friam-comic.blogspot.com/ >> archives: 5/2017 thru present >> https://redfish.com/pipermail/friam_redfish.com/ >> 1/2003 thru 6/2021 http://friam.383.s1.nabble.com/ >> > -. --- - / ...- .- .-.. .. -.. / -- --- .-. ... . / -.-. --- -.. . > FRIAM Applied Complexity Group listserv > Fridays 9a-12p Friday St. Johns Cafe / Thursdays 9a-12p Zoom > https://bit.ly/virtualfriam > to (un)subscribe http://redfish.com/mailman/listinfo/friam_redfish.com > FRIAM-COMIC http://friam-comic.blogspot.com/ > archives: 5/2017 thru present > https://redfish.com/pipermail/friam_redfish.com/ > 1/2003 thru 6/2021 http://friam.383.s1.nabble.com/ >
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