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re: China now holds Nuclear Fusion record - 1000 seconds
Posted on 1/22/25 at 12:00 pm to Cosmo
Posted on 1/22/25 at 12:00 pm to Cosmo
quote:
This is where we should be spending billions of govt dollars on research
DOE's nuclear budget for 2025 is $1.6B. Thats on top of the couple billion they've been deploying in the nuclear space since 2009.
1
Posted on 1/22/25 at 12:03 pm to bad93ex
So the same folks that couldn’t run a Bio Lab and keep a Cold from escaping are gonna be trusted to basically run a small version of,the Sun on Earth.
Posted on 1/22/25 at 12:03 pm to VABuckeye
quote:
I wonder what man-made device can hold something at those temperatures without melting? May be time to utilize the Google machine some.
None. Which is part of the problem. The most common angle to fix it is to not allow the plasma to touch the walls via electromagnetic containment, but it introduces the issue of it taking more power than it generates.
Posted on 1/22/25 at 12:26 pm to DarthRebel
frick fusion. I support O&G!
Posted on 1/22/25 at 12:28 pm to DarthRebel
The countries that trip over themselves to tell the world they have the fastest rockets, and most advanced science, don’t.
The countries that don’t publish this stuff like they’re junior high girls, do.
The countries that don’t publish this stuff like they’re junior high girls, do.
Posted on 1/22/25 at 12:30 pm to Wiener
quote:
Plasma donations centers hate this one simple trick!
Power plants hate them!
Posted on 1/22/25 at 12:38 pm to bad93ex
quote:
Nuclear Fusion would be unlimited "clean" power.
Still limited by fuel source but definitely clean.
Posted on 1/22/25 at 12:39 pm to notsince98
I thought the fuel was regular ol run of the mill hydrogen? That's readily available.
Posted on 1/22/25 at 12:41 pm to DownshiftAndFloorIt
quote:
I thought the fuel was regular ol run of the mill hydrogen? That's readily available.
No. It has been 20 years since I was dealing with this in grad school but the most common fuels were deuterium and tritium back then (they are forms of hydrogen).
Posted on 1/22/25 at 1:02 pm to DarthRebel
Well that settles it. Communism is superior to capitalism.
Posted on 1/22/25 at 1:05 pm to bad93ex
quote:so PV=nRT in a nutshell.
Nuclear fusion reactors are nicknamed "artificial suns" because they generate energy in a similar way to the sun — by fusing two light atoms into a single heavy atom via heat and pressure. The sun has a lot more pressure than Earth's reactors, so scientists compensate by using temperatures that are many times hotter than the sun.
Posted on 1/22/25 at 1:13 pm to Clames
quote:
How many nuclear-powered submarines and aircraft carriers do they have?
Not my concern. See below.
Posted on 1/22/25 at 3:24 pm to billjamin
quote:
DOE's nuclear budget for 2025 is $1.6B.
Meanwhile another 40 billion for ukraine
Posted on 1/22/25 at 3:33 pm to Cosmo
quote:
Meanwhile another 40 billion for ukraine
Yeah thats stupid AF.
But the point is we do spend a lot of nuclear development. Those DOE funds I mentioned are specifically for R&D of new tech. There's a ton more that gets spent in DOE backed loans to companies and then there's the tax credits for power producing nuclear plants which are similar to wind and solar.
Posted on 1/22/25 at 4:17 pm to UpInSmokeDownDaBayou
quote:
Fission - splitting an atom. Doesn't take a long time, is the detonator of an atomic bomb.
Fusion - combining atoms. Very difficult, is a chain reaction, happens with an atomic bomb.
If you pay attention during Oppenheimer, the first chapter is Fission (bottom left corner of the screen) and isn't very long because the process of fission doesn't take long, relatively speaking. The second chapter is Fusion, and last almost the whole movie, because it takes way longer, again relatively speaking, to accomplish.
Umm, no. Atomic bombs can either be fission or both, ie, fission bomb initiates the fusion bomb reaction. The bombs dropped on Japan were fission bombs, and that was the Manhattan project.
It was Teller who was so adamant about pursuing a fusion bomb, and Oppenheimer sent him off on the side to do that. Fusion bombs came around after the end of WWII.
Posted on 1/23/25 at 2:06 pm to TigerHornII
quote:
Umm, no. Atomic bombs can either be fission or both, ie, fission bomb initiates the fusion bomb reaction. The bombs dropped on Japan were fission bombs, and that was the Manhattan project.
Gotcha, must've conflated the scenes.
Posted on 1/23/25 at 2:14 pm to DarthRebel
They cant even feed their population, I dont care what they do the rest of humanity.
If you cant feed your own people youve done nothing.
Next.
If you cant feed your own people youve done nothing.
Next.
Posted on 1/23/25 at 2:15 pm to DarthRebel
Let me guess you learnt this from Ticker Tocker
Posted on 1/23/25 at 2:17 pm to TigerHornII
quote:
Umm, no. Atomic bombs can either be fission or both, ie, fission bomb initiates the fusion bomb reaction. The bombs dropped on Japan were fission bombs, and that was the Manhattan project.
It was Teller who was so adamant about pursuing a fusion bomb, and Oppenheimer sent him off on the side to do that. Fusion bombs came around after the end of WWII.
You're almost there, and this could be considered quibbling to a degree, but "Atomic" bombs were the colloquial names given to the early fission bombs and "Hydrogen" bombs were the term for "fusion" (mainly due to the fusion of tritium atoms during those reactions).
I say that to disagree with "atomic bombs can be either". Better to say "nuclear bombs can be either". "Atomic" should be reserved for fission weapons and either hydrogen or (better, IMHO) thermonuclear for "fusion" weapons.
While thermonuclear devices contain a fission bomb as it's primary stage, it would be misleading to call it an "atomic" bomb.
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