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from your link perhaps we spend less because we have been ahead of them for 50 years ,us and the EU also have molten salt reactors
The US air force built a 2.5-megawatt molten salt reactor in the 1950s as part of a program to develop nuclear-powered aircraft engines. The reactors use molten salt rather than water as a coolant, allowing them to create temperatures of over 800 degrees Celsius, nearly three times the temperature of a commercial pressure water nuclear plant. The superhot air had the potential to drive turbines and jet engines and in theory keep a bomber flying at supersonic speed for days. Yan Long, a researcher involved in the Chinese project at the Shanghai Institute of Applied Physics, said the Gansu facility might eventually help China develop a thorium-powered warship or aircraft.
originally posted by: dfnj2015
a reply to: BomSquad
How could the article not mention the German Stellerator.
The problem is if you do not have a proven containment field then the plasma will instantly melt a hole to through the bottom of any Navy ship.
Physicists confirm the precision of magnetic fields in the most advanced stellarator in the world
The best thing about the German Wendelstein 7-X, besides it was created by socialism, is that is has the very best precision and fidelity of keeping the plasma contained as proven by experiments.
Anyone can get a patent. Let's see some papers on how well it performs.
originally posted by: OccamsRazor04
a reply to: BomSquad
Several years ago LM said they had solved it. So it's no longer in the 30 years scenario, it's in the about to be here scenario.
I can pass an update along to you but the TLDR is, the big commercial reactors are always 30 years away from becoming practical.
originally posted by: BomSquad
a reply to: OccamsRazor04
I remember when they made that announcement....and all I've heard since was crickets...
Unfortunately, despite the progress that Skunk Works has made, many questions remain about whether its new reactor concept will be able to succeed whether other designs have failed. Lockheed Martin has initially suggested it might have a viable prototype ready this year (2019) or the next (2020).
By 2017, that schedule had gotten pushed back to sometime in the mid-2020s. In his interview with Aviation Week, Babione did not offer any more of a specific timeline for when a practical reactor, which the company refers to as TX, might be ready.
McGuire goes on: "Ten years, we have great military vehicles. Twenty years, we have clean power for the world."
Others were less optimistic. After all, creating a fusion reaction in a controlled environment that produces more energy than it consumes has challenged physicists since the dawn of the Atomic Age.
"I'm surprised that a company like this would release something that doesn't have much context," said Steven Cowley, a professor in plasma physics at the Imperial College London, director of the Culham Centre for Fusion Energy in Oxfordshire, United Kingdom, and a leading expert in magnetic fusion energy.
"Normally, if someone says they're doing well in fusion, they would quote some data, 'We got a temperature of x and a confinement of y,'" he said, referring to how long a reactor can hold the heat of a reaction before it escapes. "There's no such information."
Earlier this year, scientists at Lawrence Livermore National Laboratory in California reported a breakthrough by generating a fusion reaction that created more energy than it started with. But the experiment didn't produce enough power to have practical implications.
What's more, it required far more energy to get the reaction going. (Scientists concentrated 192 lasers on a pellet of hydrogen fuel to compress it and trigger a fusion of the isotopes deuterium and tritium.
He said that back when he said something about delivering a working reactor in 2019, and now he's nowhere close from what I can tell, without seeing his data, but the machine he's finishing up now will definitely not be a practical model, it's only for more testing.
Yet even McGuire suggests the idea isn't exactly a reality. "This is a high-risk, high-payoff endeavor," he said. "That's what we're doing here, is testing that concept out to see if it really holds the promise that it appears to."