Japanese experimental nuclear fusion reactor inaugurated

Lee Duna@lemmy.nz to Technology@lemmy.world – 405 points – Japanese experimental nuclear fusion reactor inaugurated
phys.org
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After what the USAians achieved with a net positive output, hopefully they can match and surpass that. Fusion is one of the few technologies that can get us to 1 on Kardashev scale.

Ok but what if coal powered space craft?

I'd rather not suffocate lol

Get marketing to convince the rich folk it is an "activated charcoal" infused air

But coal workers are a bedrock of American ideals! We can't take their jobs!

Is a /s needed? I don't know anymore. Do people really enjoy being coal miners and want their children to follow that wonderful career? I can get a yes to that question but only from people who have no idea what that entails.

-Musk, "Get your shovels ready lads, we are going to Mars!"

Too low fuel density to work id assume, and most engine designs expect a liquid fuel

USAians

The level of laziness here is inspiring lmao. I'm going to use this from now on

The method they used is absolutely unsuited for power generation, they're doing weapons research. Two things:

  1. Sure, more energy came out than hit the target but the amount of power wasted generating the laser light is right-out astronomical. People also gripe about other experiments not including those external (to the reaction) factors but then they're also generally magnitudes lower.
  2. The targets are very very hard to produce, and you only get to shoot at them once.
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