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It depends on how you define "produced" and "nuclear energy". Without more details we can only speculate, but the possibilities are very limited. The link you cite appears to be by someone who has constructed a Farnsworth Fusor (or possibly some variant on the same theme). These devices make interesting (if expensive and advanced) high school science ...


He is not the only but beyond doubt was the first one: Please read this short citation from the document above: The adjustments should be made with particular care when the transmitter is one of great power, not only on accout of economy, but also in order to avoid danger. I have shown that ...


No Perpetual motion machines are impossible - move along. With a sufficiently large energy store (a battery or a flywheel) a machine can operate for a long time, however, what they are suggesting is that it can operate indefinitely - it can't.


No. Fundamentally they were different types of accidents. The Chornobyl accident was an excursion. Power within the reactor increased, and this increase caused more increase,* in an exponential spiral until the energy was so high that the reactor exploded in a BLEVE. The BLEVE smashed what little containment this type had, directly exposed the reactor ...


I paid close attention to the Fukushima investigation for years. I've lost my sources (I could use some help with that) but I can add some more detail as to exactly where it went wrong. If the lack of refs is a problem, I'll cheerfully delete this answer. Yes, as you say, the earthquake didn't do any critical damage inside the containment area, but the ...

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