[Sciencealert.com] Researchers Just Demonstrated Nuclear Fusion in a Device Small Enough to Keep at Home - Page 3 - Overclock.net - An Overclocking Community

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[Sciencealert.com] Researchers Just Demonstrated Nuclear Fusion in a Device Small Enough to Keep at Home

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post #21 of 32 (permalink) Old 04-19-2019, 06:51 AM
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Quote: Originally Posted by Jarhead View Post
Nuclear fusion has been about fifty years away for about fifty years, so yeah, don't worry about running your time machine off of a Mr.Fusion any time soon.
Which means we're about 50 years away from someone here waking up and saying, "I bet I could squeeze some extra juice out of our unit if I go into the BIOS".
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post #22 of 32 (permalink) Old 04-19-2019, 07:01 AM
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Quote: Originally Posted by Cyrious View Post
NOT a fission reactor. It is a radio-isotope thermoelectric generator. It uses the decay heat from a chunk of radioactive material (usually plutonium, but americium and strontium have had devices also built around them) passing through thermocouples to generate electricity. A fission reactor has an active chain reaction that consumes fuel, and requires active cooling and control to safely function.
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In nuclear physics and nuclear chemistry, nuclear fission is a nuclear reaction or a radioactive decay
https://en.wikipedia.org/wiki/Nuclear_fission


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post #23 of 32 (permalink) Old 04-22-2019, 10:40 AM
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Quote: Originally Posted by epic1337 View Post
"nuclear device to keep at home."

uhhh, i wonder if you'd have a bunch of swat forces surrounding your house if you do own one at home.
Depends on local statutes. The city of Chico, California had a few years back and may still have a law on the books that imposes a $500 fine for detonating a nuclear device within the city limits.
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post #24 of 32 (permalink) Old 04-22-2019, 04:23 PM
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Quote: Originally Posted by Gunderman456 View Post
Why do this when Tesla was able to harness free energy which was then torn down and hidden. You can't charge monthly for free energy. We're so backwards when it comes to producing energy, people think we're ahead.


Quote: Originally Posted by white owl View Post
Wardenclyffe (the torn down tower) wasn't harnessing free energy, in essence it was a large Tesla coil which charged the air, with a handful of them around the globe we could have had electric air craft. His smaller scale testing worked very well so scaling it up should have worked too but as you said it would be hard to charge money for that. There will be a breaking point soon though, the greed won't stop but eventually life on earth will collapse on a large scale very quickly. Roughly 50% of animal life has already died while people continue having more children.



I'm actually very surprised we don't have a thermocouple on every volcano on the planet lol
The tesla tower simply would not work. You would need way more than a handful of them. It works on a small scale only.

Tesla was simply wrong about how electromagnetic waves work. The gritty scientific details are... more than I am going to try to summarize here but the notion that a "Tesla Tower" would have actually worked is wrong. It's not some grand idea that never happened because other more profitable things took over, it just is not actually possible to power anything significant at scale with his approach.

Tesla did not believe Maxwell’s equations were true and this lead him to a lot of false conclusions. His ideas are now basically exaggerated legend that conspiracy theorist like to pick up on.

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post #25 of 32 (permalink) Old 04-22-2019, 06:50 PM
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Quote: Originally Posted by UltraMega View Post
The tesla tower simply would not work. You would need way more than a handful of them. It works on a small scale only.

Tesla was simply wrong about how electromagnetic waves work. The gritty scientific details are... more than I am going to try to summarize here but the notion that a "Tesla Tower" would have actually worked is wrong. It's not some grand idea that never happened because other more profitable things took over, it just is not actually possible to power anything significant at scale with his approach.

Tesla did not believe Maxwell’s equations were true and this lead him to a lot of false conclusions. His ideas are now basically exaggerated legend that conspiracy theorist like to pick up on.
The winners write the history.

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post #26 of 32 (permalink) Old 04-22-2019, 11:29 PM
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Quote: Originally Posted by Gunderman456 View Post
The winners write the history.
This is not history, its physics. No one writes physics so your analogy makes absolutely no sense here.

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post #27 of 32 (permalink) Old 04-23-2019, 12:37 AM
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Quote: Originally Posted by UltraMega View Post
This is not history, its physics. No one writes physics so your analogy makes absolutely no sense here.
It absolutely is history, man. The round earthers won back in 1900 something, and that's why we're where we are now!

Though Gunderman is not remembering that Abba song correctly.

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post #28 of 32 (permalink) Old 04-23-2019, 06:52 AM
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Quote: Originally Posted by ToTheSun! View Post
It absolutely is history, man. The round earthers won back in 1900 something, and that's why we're where we are now!
Nah, it was more like -1900 or something, when the Greeks figured it out.
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post #29 of 32 (permalink) Old 04-23-2019, 07:07 AM
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It's a shame nuclear energy has received such negative feed back, I get it, things go to **** when not properly maintained or engineered. But I have insanely high hopes for liquid metal/sodium nuclear plants.

Babies are just something you have to not make die...



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post #30 of 32 (permalink) Old 04-23-2019, 08:36 AM
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Quote: Originally Posted by emeianoite View Post
It's a shame nuclear energy has received such negative feed back, I get it, things go to **** when not properly maintained or engineered. But I have insanely high hopes for liquid metal/sodium nuclear plants.
It's even worse than that.

Fifteen years ago I saw a demonstration of fuel that can't melt down. Literally can't. As temperature increases, the fuel pellets themselves absorb more neutrons and moderate the reaction. It self-stabilizes below the melting point, so even if you lose all cooling, the fuel itself is still safe. To demonstrate this they had some of the control rods on pneumatic pistons that could eject them from the core very quickly. When doing that, the reaction spikes, and peeking down from the top of the pool the reactor sits in I saw the bright blue flash of Cherenkov radiation from the spike in reaction rate, which over a couple seconds damped back down to normal. They didn't adjust anything else about the reactor, just removed some of the control rods and the reaction restabilized on its own.

They've had this for decades, but no one hears about it, and any time a new plant wants to get put in people don't want it. The problem is that people are assuming plants with 1970s technology are all we could possibly do, yet don't stop to think that maybe the same sorts of technological improvement we've seen in oh, I don't know, computers, might also have happened in nuclear engineering. Nah, they're all unreliable deathbombs waiting to go off.

Sigh.

Fusion won't have any of these problems, but it'll still be a hard sell because OMGNUKEYOOLAR
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