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Extreme DIY: Building a homemade nuclear reactor in NYC
Extreme DIY: Building a homemade nuclear reactor in NYC
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Old 23rd June 2010, 05:42 PM   #1
makingmoney is offline makingmoney  United States
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Default Extreme DIY: Building a homemade nuclear reactor in NYC

The ultimate power supply for your amp someday?
Be nice to have one for the left one for the right channel. Maybe separate ones for the driver stage.
PS and amp in the same chassis? No power cords! Pure DC....maybe some regulation...

Extreme DIY: Building a homemade nuclear reactor in NYC

BBC News - Extreme DIY: Building a homemade nuclear reactor in NYC

Page last updated at 08:01 GMT, Wednesday, 23 June 2010 09:01 UK
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By Matthew Danzico
BBC News, Brooklyn, New York

Mark Suppes is part of a growing community of amateur "fusioneers"
Many might be alarmed to learn of a homemade nuclear reactor being built next door. But what if this form of extreme DIY could help solve the world's energy crisis?

By day, Mark Suppes is a web developer for fashion giant Gucci. By night, he cycles to a New York warehouse and tinkers with his own nuclear fusion reactor.

The warehouse is a non-descript building on a tree-lined Brooklyn street, across the road from blocks of apartments, with a grocery store on one corner. But in reality, it is a lab.

In a hired workshop on the third floor, a high-pitched buzz emanates from a corner dotted with metal scraps and ominous-looking machinery, as Mr Suppes fires up his device and searches for the answer to a question that has eluded some of the finest scientific minds on the planet.

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We have people in the whole gamut [building reactors] from physicists to electronics people to car mechanics to even one janitor

Richard Hull
Founder, Fusor.net
In nuclear fusion, atoms are forcibly joined, releasing energy. It is, say scientists, the "holy grail" of energy production - completely clean and cheap.

The problem is, no-one has found a way of making fusion reactors produce more energy than they consume to run.

'I was inspired'
Mr Suppes, 32, is part of a growing community of "fusioneers" - amateur science junkies who are building homemade fusion reactors, for fun and with an eye to being part of the solution to that problem.

He is the 38th independent amateur physicist in the world to achieve nuclear fusion from a homemade reactor, according to community site Fusor.net. Others on the list include a 15-year-old from Michigan and a doctoral student in Ohio.

Mr Suppes has spent the last two years perfecting his reactor
"I was inspired because I believed I was looking at a technology that could actually work to solve our energy problems, and I believed it was something that I could at least begin to build," Mr Suppes told the BBC.

While they might un-nerve the neighbours, fusion reactors of this kind are perfectly legal in the US.

"As long as they [private citizens] obtain that material [the components of the reactor] legally, they could do whatever they want," says Anne Stark, senior public information officer for California's Lawrence Livermore National Laboratory.

During fusion, energy is released as atomic nuclei are forced together at high temperatures and pressures to form larger nuclei.

Scientists say devices like Mr Suppes' pose no real threat to neighbouring communities or the environment because they contain no nuclear materials, such as uranium or plutonium.

"There is no chance of any kind of accident with fusion," says Neil Calder, communications chief for Iter, a multi-national project begun in 1985 with the aim of demonstrating the feasibility of fusion power.

"There's no CO2 pollution, there's no greenhouse gases, you can't use it for proliferation [the spread of nuclear weapons] - it has so many advantages," he said.

'Mechanics to janitors'
Government-led efforts to produce power from fusion have been going on around the world for 50 years.

Iter - funded by US, Japan, Russia, India, China, and South Korea - is working on a multi-billion dollar, advanced reactor, due to be built in the south of France by 2019.

But the availability of equipment and technology has seen an increasing number of amateurs enter the fray.

News of a nuclear reactor in the neighbourhood got a mixed reception
"We have people in the whole gamut, from physicists to electronics people to car mechanics to even one janitor - and all these people share a common bond to do nuclear fusion in their home," said Richard Hull, founder of Fusor.net.

Some experts are sceptical that all these people are producing fusion reactions, but when he demonstrates his device, Mr Suppes says a bubble meter placed next to the reactor indicates that a fast neutron, a by-product of fusion, has been produced.

The amateur scientist began building his reactor two years ago, purchasing parts on eBay with $35,000 of his own money and about $4,000 he raised on a website that connects artists and inventors with private investors.

"Real researchers that are working at Los Alamos [US Department of Energy National Laboratory] and are working at Lawrence Livermore are following this and commenting on it, even though it's not an officially sanctioned project," he says.

Tricky situation
Mr Suppes sees his work in nuclear fusion as more than just a hobby, and he intends to try to build one of the world's first break-even reactors - a facility producing as much energy as it uses to operate.

"He now has to go out and do what everybody else has to do, which is to convince people to invest in his project - whether its government funding or private funding to carry him through," said Mr Calder.


Continue reading the main story
Nuclear fusion is the source of energy in stars such as the sun
The best fuels for fusion are two types, or isotopes, of hydrogen - deuterium and tritium
Energy is released as atomic nuclei are forced together at high temperatures and pressures to form larger nuclei
Reproducing these conditions on Earth is extremely challenging
Mr Suppes is hoping to build a break-even reactor from plans created by the late Robert Bussard, a nuclear physicist who drew up plans for a fusion reactor that could convert hydrogen and boron into electricity.

Work on a scaled up version of a Bussard reactor, funded by the US Navy, has already been taking place in California.

But Mr Suppes believes he will be able to raise the millions of dollars it takes to build a Bussard reactor because he feels someone with enough money "will feel they cannot pass up the opportunity" to find out if it will work.

Iter said it would be wrong to dismiss out of hand the notion that an amateur could make a difference.

"I won't say something that puts these guys down, but it's a tricky situation because there is a great deal of money and time and a lot of very experienced scientists working on fusion at the moment," said Mr Calder.

"But that does not eliminate other ideas coming from a different group of people."

What neighbours say
For Mr Suppes, convincing the experts is one thing. Convincing the locals is another problem entirely.

"A homemade nuclear fusion reactor being built in Brooklyn - I would have thought there would be some sort of rules and laws about messing around with nuclear fusion in your apartment," said Brooklyn resident Stephen Davis. "I'm not sure I'd like that living right next to me."

"The fact that he's trying to form a new kind of energy is all well and good," said another local, Christopher Wright. "But without the proper scientific work behind it, I don't know if it's too good of an idea."

But others had a more positive outlook on Mr Suppes' reactor.

"I think it's a good idea. If a guy can make an invention like that, it should definitely be spread around so we don't need to depend on oil," Brooklynite Chris Stephens told the BBC.

"We need to do something that's new and more creative for society."
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Old 23rd June 2010, 06:14 PM   #2
aptquark is offline aptquark  United States
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oh boy...

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Old 23rd June 2010, 07:11 PM   #3
jaycee is offline jaycee  United Kingdom
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Fusion is much safer than fission. In fission, if you have any kind of containment leak, dangerous radiation is released. Similarly any sort of control failure can mean an uncontrolled reaction leading to meltdown.

In fusion, the material is inert unless under special conditions, the principle one being magnetic containment. If the containment field fails, the reaction stops with no residual effects, and no kind of harmful leakage.
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Old 23rd June 2010, 10:22 PM   #4
Sch3mat1c is offline Sch3mat1c  United States
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Inert being a relative term, as radioactive tritium is used in this reaction, and radiation-inducing neutrons are produced.

So far, many people have built Farnsworth fusors, but none of them are anywhere near unity gain. They are toys at best. Supposedly, they've been used as neutron sources, where the weak, on-demand flux is safer than, say, plutonium mixed with beryllium (which is the construction of your average university "neutron howitzer"), enough for neutron activation experiments.

Now, this article is talking about the Bussard fusor, which is tantalizingly promising, but also hasn't been developed to a substantial level. IIRC, Bussard's best experiment detected only three neutrons (though given the cross sectional area and duration, it was a promising amount, despite the large uncertainty).

The builder himself acknowledges that this is a long-term project, so don't be expecting mushroom clouds over New York in the near future.

Seven Transistor Labs, LLC
Projects and Resources / Electronic Design and Consultation
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Old 26th July 2010, 09:32 PM   #5
Yves Smolders is offline Yves Smolders  Belgium
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...and if you like to read more on this matter: Talk-Polywell.org :: Index

US Navy is currently funding research into Bussards fusor, or like it is now known, Polywell fusion. Afaik they are now one test away from building a full size proof of the project working. All seems to be working well for now, but there is uncertainty about the scaling of power vs size. If Bussard was right... the world won't look the same anymore in a few years time.
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