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[Techinsider] China just hit a nuclear fusion milestone

post #1 of 85
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China just hit a nuclear fusion milestone


Quote:
Just last week, we reported that Germany’s revolutionary nuclear fusion machine managed to heat hydrogen gas to 80 million degrees Celsius, and sustain a cloud of hydrogen plasma for a quarter of a second.

This was a huge milestone in the decades-long pursuit of controlled nuclear fusion, because if we can produce and hold onto hydrogen plasma for a certain period, we can harness the clean, practically limitless energy that fuels our Sun.

Quote:
Now physicists in China have announced that their own nuclear fusion machine, called the Experimental Advanced Superconducting Tokamak (EAST), has produced hydrogen plasma at 49.999 million degrees Celsius, and held onto it for an impressive 102 seconds.

While this is nowhere near the hottest temperature that’s been produced by an experiment — that honor goes to the Large Hadron Collider, which hit a whopping 4 trillion degrees Celsius (250,000 times hotter than the center of the Sun) back in 2012 — the team from China’s Institute of Physical Science in Hefei managed to recreate solar conditions for well over a minute.


Quote:
The problem is it requires far higher temperatures. While nuclear fission requires things to be heated to just a few hundred degrees Celsius, nuclear fusion machines have to recreate conditions on the Sun, which means we’re talking several million degrees.

In fact, because our machines are essentially starting their reactions from scratch, we actually need to achieve temperatures far hotter than those estimated to exist in the center of the Sun — the team behind Germany’s US$1 billion stellarator nuclear fusion machine says the ideal temperature is 100 million degrees Celsius.

This is what China’s team was hoping to hit last week, but had to settle for close to 50 million degrees, Stephen Chen from the South China Morning Post reports. Their ultimate goal is to hit 100 million degrees Celsius, and sustain the resulting hydrogen plasma for over 1,000 seconds, or 17 minutes. Meanwhile, the German team says it could conceivably sustain its plasma for as long as 30 minutes, now that their 'proof of concept' experiment is out of the way.




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post #2 of 85
I will remain highly skeptical until actual data is reviewed by scientists from elsewhere in the world. China may be able to do some pretty nice things, but they also tend to make pretty exaggerated claims that don't really live up to their hype.
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post #3 of 85
Made in China. lol.
post #4 of 85
Interesting competition at least it sounds like it is from the article. Never seen such a thing in science.
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post #5 of 85
China is catching up fast both economy and technology wise. I wonder if at some point their economy overtakes the US economy, as they become the new center of the world and everyone invests in their stock market.
post #6 of 85
Quote:
Originally Posted by BeerPowered View Post

China is catching up fast both economy and technology wise. I wonder if at some point their economy overtakes the US economy, as they become the new center of the world and everyone invests in their stock market.
They're already buying all of our south american imports in football, too.
    
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post #7 of 85
China is catching up fast.
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post #8 of 85
Quote:
Originally Posted by BeerPowered View Post

China is catching up fast both economy and technology wise. I wonder if at some point their economy overtakes the US economy, as they become the new center of the world and everyone invests in their stock market.

At their current growth rate and our (the US current growth rate) before the end of the next decade they will overtake us in GDP. GDP per capita is going to take a bit longer, but don't be surprised if by 2050 China is the best country to live in in the world.

the US GDP is currently 18.3 TR with a growth rate of 2 to 3% China GDP is 12.4 TR with a growth rate of 6 to 8% They're already the second largest economy on the planet.
 
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post #9 of 85
long long long way to go b4 commercial viable lol
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post #10 of 85
I just cant fathom these temperatures...how the heck does everything not melt?
   
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