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firemonkey
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27 Oct 2019, 11:13 am

Quote:
“They are on the verge of creating commercially viable miniature fusion reactors for sale around the world,” Boris Johnson told the Conservative party conference earlier this month – “they” apparently being UK scientists. It was, at best, a rash promise for how nuclear fusion might make the UK carbon-neutral by the middle of the century – the target recommended by the Committee on Climate Change, which advises the government. “I know they have been on the verge for some time,” Johnson hedged. “It is a pretty spacious kind of verge.” But now, he assured his audience, “we are on the verge of the verge”.

It’s a familiar and bitter joke about nuclear fusion as an energy source that, ever since it was first mooted in the 1950s, it has been 30 years away. Johnson’s comments had the extra irony that Brexit could merely add to that distance.


https://www.theguardian.com/environment ... is-johnson


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Fnord
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27 Oct 2019, 2:53 pm

Humans will not achieve commercially-available sustained fusion reactors until they have mastered gravity control. It takes a sustained gravity field to compress the nuclei sufficiently for fusion to take place. Heat and inertia are good starts, and may be sufficient to heat a kettle for tea, but if you want to light a city, you need a gravity well to keep it going.


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firemonkey
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27 Oct 2019, 3:02 pm

How far are they from mastering gravity control ?


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Fnord
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27 Oct 2019, 3:21 pm

Another 30 years...


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“I must acknowledge, once and for all, that the
purpose of diplomacy is to prolong a crisis.”

— Leonard Nimoy as Mr. Spock, in the Star Trek
episode "The Mark of Gideon" (ep. 3.16, 1969)