build a fusion reactor

7/27/2019 Build a Fusion Reactor

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http://www.instructables.com/id/Build-A-Fusion-Reactor/

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Build A Fusion Reactorby christensent on December 23, 2010

Table of Contents

Build A Fusion Reactor .........................................................................................................

Intro: Build A Fusion Reactor ..................................................................................................

Step 1: Assemble The Vacuum Chamber ........................................................................................

Step 2: Prepare The High Vacuum Pump ........................................................................................

Step 3: Build Inner Grid ......................................................................................................

Step 4: Assemble The Deuterium System ........................................................................................

Step 5: High Voltage ........................................................................................................

Step 6: Setup Neutron Detection ...............................................................................................

Step 7: Fire It Up (and cross your fingers) ........................................................................................Related Instructables ........................................................................................................

Comments ................................................................................................................
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Intro: Build A Fusion ReactorYes, you can build your very own nuclear fusion reactor in your house! But first, a few warnings:

-This project includes lethal voltage levels. Make sure you know your high voltage safety or have a qualified electrical advisor.-Potentially hazardous levels of x-rays will be produced. Lead shielding of viewports is a must!-Deuterium, an explosive gas, will be used. Make sure to check for fuel leaks.-All the other inherent dangers of a home engineering project of this degree (a wide gamut of potential injuries, damage to the checking account, and the loss of generalsanity)

Here are the minimum required materials:

-A vacuum chamber, preferably in a spherical shape

-A roughing vacuum pump capable of reaching at least 75 microns vacuum-A secondary high vacuum pump, either a turbo pump or oil diffusion pump-A high voltage supply, preferably capable of at least 40kv 10ma - Must be negative polarity-A high voltage divider probe for use with a digital multimeter-A thermocouple or baratron (of appropriate scale) vacuum gauge-A neutron radiation detector, either a proportional He-3 or BF3 tube with counting instrumentation, or a bubble dosimeter-A Geiger counter, preferably a scintillator type, for x-ray detection and safety-Deuterium gas (can be purchased as a gas or extracted from D2O through electrolysis - it is much easier and more effective to use compressed gas)-A large ballast resistor in the range of 50-100k and at least a foot long-A camera and TV display for viewing the inside of the reactor-Lead to shield the camera viewport-General engineering tools, a machine shop if at all possible (although 90% of mine was built with nothing but a dremel and cordless drill, the only thing you really can'tbuild without a shop is scratch building the vacuum chamber)

Step 1: Assemble The Vacuum ChamberA quality high vacuum chamber is required for the fusor to operate. Sometimes an appropriate chamber can be found on eBay, but generally i t is best to make one. Parts

can be scrounged for several hundred dollars, or purchased new for $500+.Get two stainless steel hemispheres, purchase two corresponding conflat-flanges (8" flanges in my case), bore out holes for accessory flanges, and then TIG weld it alltogether. Flanges are typically either of the KF or the conflat style. Conflat can be seen in the image below as the flanges with bolts, and KF (kwik-flange) are seen asthose with only clamps holding an o-ring on the mating surface. Only weld on the inside, never on the outside (since virtual leaks can be formed if both inside and outsideare welded). If you've never TIG welded before, it would be wise to have someone with experience do it as the welds must be flawless with no pin-sized holes or porousareas to hold a vacuum.

After machining, thoroughly clean the chamber and avoid getting fingerprints in it since these wil l outgas, which means at vacuum pressure molecules in the oil of fingerprints or machining oil will become vapor and make it hard to maintain plasma stability or reach a good ult imate vacuum level.


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Step 2: Prepare The High Vacuum PumpInstall the oil diffusion pump (or turbo pump if you have a bit of luck scrounging or a higher budget). Fill the pump with quality diffusion pump oil to whatever fill level thepump documentation suggests, attach the inlet to a valve which then connects to the chamber (see diagram), and attach the outlet to a mechanical backing pumpcapable of reaching at least around 75 microns (any higher and the diffusion pump will not operate properly or the oil will oxidize quickly).

Make sure the pump is sufficiently cooled, many oil diffusion pumps require water cooling, smaller ones such as the one pictured can get by with a decent air flow.

Once this is assembled, turn on the mechanical pump and wait for the vacuum to reach at least 75 microns. Next you can test the high vacuum pump by turning on theboiler on the diffusion pump. After it warms up (could take a while), the vacuum should rapidly drop below the single micron range.


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Step 3: Build Inner GridThe inner grid (where the high voltage is applied) must now be built and attached to a high voltage feedthrough.

It is best to use a metal such as tungsten for the grid wires since it has a very high melting point, and the grid will get extremely hot during high power runs.

This can be built however you wish, as long as it resembles a spherical shape of roughly 1-1.5 inches in diameter (for a 6-8" chamber), it should work fine.

The grid should be internally attached to an electrical feedthrough such as the one pictured in the second image. This feedthrough needs to be rated for the cathodevoltage that will be used, typically 40kv i s a good target voltage.

Step 4: Assemble The Deuterium SystemDeuterium gas is used as the fuel for this fusion reactor. You wi ll need to purchase a tank of this gas (unless you wish to do electrolysis on heavy water, this process willnot be documented here but nothing more than a small Hoffman Apparatus is required - higher purity gas can be gotten from a compressed tank).

Attach a high pressure regulator directly to the tank, add an extremely fine-metering needle valve after this (or a laser drilled orifice in the range of 5 microns), then attachthis to the chamber. A ball valve can also be installed between the regulator and the needle valve since needle valves are not shutoff valves.

See the attached diagram now updated with the deuterium handling system.


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Step 7: Fire It Up (and cross your fingers)Time to turn it on (don't forget to cover any viewports/cameras with lead! Also x-rays can pour out of ceramic feedthroughs so point them away from people. It is a goodidea to be monitoring for x-rays where any people are present). The basic procedure is:

-Turn on the roughing pump and wait for sufficient backing pressure, turn on the diffusion or turbo pump and wait for it to fully warm up or achieve running speed-Throttle the chamber back (with the valve between the diffusion/turbo pump and the chamber)-Ever so slightly open the needle valve to the deuterium tank-Turn up the high voltage until either plasma establishes on the camera, or you've reached 40kv and nothing has happened (don't forget, you only get one chance in yourlife to screw up with voltages of this degree)-If nothing has happened, keep admitting more gas and the pressure should keep going up. Plasma should form around 40kv at about 10-15 microns of deuterium.

If all goes well, you should see on your camera the image below, and you should be detecting neutrons at this point.

Operation is quite a balancing act, since the voltage is controlled by both the power supply, but also by Paschen's Curve and Ohm's Law relating to the pressure in thechamber. Great patience is required to "Get the hang of it", but after doing so it becomes quite simple to run. Operation can be aided by an ion-gun which will not bediscussed in this article.


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Comments

50 comments Add Comment view all 251 commen

vincent7520 says: Mar 12, 2011. 3:38 PM REPIf I build one and press the switch,will be the Master of the World ? or is it not worth the pain ?

Lefranois says: Jan 24, 2011. 8:57 AM REPWhat is the usefulness?

christensent says: Jan 24, 2011. 10:01 AM REPIt is a neutron source which can be used in neutron activation experiments

echaa says: Mar 11, 2011. 7:39 PM REPWhen you built it, did you intend for it to be anything other than a neutron source? Would it be possible to get power out of it, and to get more poweroutput than input?

llanyort says: Mar 4, 2011. 9:24 AM REPsome people are ignorant. dude, build this sucker and screw them. i enjoyed reading about "how to's" and "why's?" about this project. thanks... i learnedsomething new.
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PDRWLSNsays: Jan 2, 2011. 8:01 PM REPIf I knew of anyone in my nieghborhood building one of these I do believe I'd take action to prevent it from being completed. That said, do your neighborshave any idea? Also, after publishing this, are you not concerned the authorities will be outside soon with a no-knock warrant?

avengingwatcher says: Feb 25, 2011. 9:24 PM REPThings that are more likely to cause you harm than anyone intelligent enough to build this:Car accidents, propane grills, lighter fluid, cigarette fires, rocks kicked up from lawnmowers, carbon monoxide poisoning, skin cancer, prostate cancer,amusement park rides, food poisoning from undercooked meat, rewiring your house, TSA body scanning machines(if you fly frequently)

I wish that I was being hyperbolic in this, but I'm not. You are frequently hit by x rays in daily use at doctors and dentist offices and devices far moredangerous than this were used by shoe salesmen at one point to check for proper shoe fit. Statistically you would have to be sharing a wall with one ofthese and the bottle of deuterium would have to rupture from the nozzle in which case the damage would come from a projectile bottle with a possible

flash fire as the gas burned off to suffer and real ill effects from this.Aside from that I could literally create something far more dangerous with ingredient you have in YOUR kitchen cabinets. Also I think you'remisunderstanding nuclear and radioactive, which are two different things. You cannot create a radioactive bomb from this

Side conversation, does your name stand for paging dr wilson?

teamtestbot says: Jan 3, 2011. 12:12 AM REPWhere does it stop with people like you?

PDRWLSNsays: Jan 3, 2011. 12:50 PM REPPeople like me?

Xellers says: Jan 3, 2011. 6:27 PM REPYes, people like you: ignorant and afraid. If operated at home with proper shielding and safety precautions, this "reactor" poses absolutely nothreat whatsoever under any conditions to anyone outside of the operator, and in most circumstances, even this is unlikely. Also, there is no legalway for you to "take action" against this because all of the necessary components of this system, including the deuterium gas fuel, can be legallypurchased and owned by a resident of the United States. Indeed, there is absolutely no reason for the author to be concerned that the authoritieswill take notice - this reactor cannot be used to produce any sort of dangerous materials and contrary to what you may or may not believe, thereis literally no way for it to "melt down" to explode. In fact, he is nowhere near the first private owner of such a DIY system, and he won't be thelast, not if I have anything to say about it!People like you are afraid of what they don't understand and try to shut out people who do understand, instead of doing a li ttle bit of research;people like you are afraid of lawsuits, of being forced to take responsibility, and they are afraid of anything that doesn't have a dozen "FDAApproved" labels or safety seals from some other government agency plastered all over it. Your mentality is that you should eliminate anythingthat you don't understand because it might be a threat to you, my mentality i s that you should experiment and take risks. Of course, taking risksdoes not equate to intentionally doing something that is stupid, reckless, and dangerous. However, attempting to safely assemble a device thatcannot hurt you or anyone else around you does not seem dangerous to me, it seems like a r isk we ought to take. As Gever Telley put it in hisbrilliant TED talk, "5 Dangerous Things You Should Let Your Kids Do", it's quite sad how in today's world, companies print choking hazard labelsall over any piece of plastic ever manufactured and safety warnings on anything sharper than a golf ball.Finally, before you try to tell me about how this information could be dangerous in the wrong hands, I'm going to tell that it couldn't be. Thepressure required to actually achieve traces of any sort of fusion reactions in so low that you need an oil diffusion pump along with a veryspecially designed vacuum system in order to get anywhere near it. With a higher pressure system, you might be able to use solder to join ittogether, however, the solder flux that this method requires would easily create leaks that would prevent the system from reaching anywhere nearfusion pressure. This means that you will need a very expensive, precision manufactured chamber. Although the oil diffusion pump (along withthe backing pump you will need to drive it) could probably be bought second-hand from eBay for a couple hundred dollars, the rest of the actualvacuum system would cost at least $400 to $500 more. Then, considering that you still need some sort of high voltage power supply, a deuteriumsystem, deuterium gas from a chemical supplier, shielding material, and some high vacuum gauges, the cost of this type of project easily exceeds$1500 or even $2000. However, even if all the parts are purchased, assembling the system is no walk in the park, you need access to weldingequipment to fashion the inner grids, and you need to know how to assemble the vacuum system without any leaks. If it's any consolidation toyou, this is not a project that some random amateur experimenter could assemble in a few afternoons. An undertaking of this magnitude requiresa tremendous amount of time, money, effort, and skill.

TRONhack3rsays: Feb 23, 2011. 3:15 PM REPThanks for the information some of this sounds out of my budget. I have the nst transformer for producing the voltages needed for this but idont have that vaccum pump do think there is some way to impoverish that? cause I am just a kid and i cant afford that...

atomicwaterstudios says: Feb 16, 2011. 5:20 AM REPok i agree with you we need to take risks and most good things come out of thaking risks so yea an so far as the reactor if any body wants tobuild it i say go for it cus its leagel and you wont get into troubel unlesss you do somthing retared with it like i dont know fuison reactor missel idont know but whatev

PDRWLSNsays: Jan 19, 2011. 4:22 AM REPSorry it was so long before my reply, I was on vacation. For starters let me say it 's sad to know anyone would be disappointed to see safetywarnings on anything. YOU probably would not be here now if it weren't for them, your folks didn't raise you to respect others opinions, goodthing they told you as a child not to put the kitty-litter in your mouth. As for ignorance, that would be you. "If operated at home with propershielding and safety precautions this "reactor" poses no threat to anyone outside the of operator" ( driving at night with your headlights on isquite safe, you did remember to turn them on, right?). I 'm not going to believe any builder i s competent enough to take the proper precautionsuntill the builder proves so. How long do you think it'll be before something like this shows up at a kegger? What happens when the builderhas one too many and his/her buddies goes into the room and goes like" wow man this is way coool, lets reheat my fries"? And yes there isway for me to "take action", I live in a residential neighborhood with zoning laws, anything questionable can be brought to the zoning board forapproval or denial. Don't get me wrong, I have no problems with someone building this... as long as its built safely in a location not residential.Fear, you again, afraid of someone elses opinion. There are lots of young, smart, creative people out there, let them create something from
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thirtyfivefox says: Feb 8, 2011. 5:40 PM REPIts called perjury.

teamtestbot says: Jan 8, 2011. 11:35 PM REPConsidering that your entire call is composed of lies and fabrications, yes, it's very i llegal.

SeniorShizzle says: Jan 9, 2011. 12:19 AM REPSee my comment blow. It helps to read.

teamtestbot says: Jan 9, 2011. 7:32 AM REPMuch of our problems comes from the "speculative" nature of willfully ignorant people like you having any credibility with lawenforcement. Any regulatory agency worth their mettle and understanding what this apparatus is will see through all of yourclaims as wildly baseless upon investigation.

Sadly, modern law enforcement has proven itself time and again to act on hare-brained accusations based on fear and lack ofeducation about the matter at hand.

I understand the point of your post is to illustrate what CAN happen given a member of our disgustingly non-technical public,but your posting history leads me to believe that you are sincere. Oh, speaking of reading, all the reasons why your report isfalse have already been played out repeatedly in the comments. Why, again, must you spread ignorant rumor?

SeniorShizzle says: Jan 9, 2011. 1:49 PM REPYeah thanks for the civics lesson there champ! I really needed it and you sure set me straight.

On the subject, I'm not sure we live in the same country. The one I live in is called "America."

Also, aside from the plane tickets, which one of the statements I made is false? Which one? Please, enlighten me. Youthink you're holier than me and the rest of our "disgusting" population, then please, prove it.

thirtyfivefox says: Feb 8, 2011. 6:10 PM REPWhat you just described can be construed as perjury. You have conspired to use executive and judicial powers in orderto further your own gains against a person who has have not committed any crime and only executed constitutionallyprotected freedoms (primarily the pursuit of happiness, which is no doubt the reason why inventors invent). Yourargument represents the worst form of American ideology and one of the reasons why it pains me so much to be aveteran in this country. I would request you read deep into the constitution and realize what you are describing violatesthe very basis of ethics and morality that our forefathers attempted to achieve. People have the right to invent and pushthe bounds of technology, I realize that this scares people sometimes but we can't keep persecuting the Galileos,Epicureans, and Teslas of our modern era. This website embraces the fact that knowledge is free and the world isn't

just how large corporations, even bigger government, and overzealous clergy tell us it should be. If you can't deal withthat, perhaps you should hop back on Google and find yourself another page.

teamtestbot says: Jan 10, 2011. 5:08 AM REP"He said".

No engineer in his right mind would characterize this creation as anything you described. Furthermore, the level ofdetail you provide it with i s not something an average member of the public (that has any science education at all) willreasonably report verbatim to an authority body.

"Generate immense amounts of heat"? "...while generating immense amounts of radiation as a side effect"?

Come on, that's advertising material.

Overall, nice troll (as I'm sure you meant to in the first place), but pretty much just that. Go call my bluff and try it sometime, would you?

Oh, and guess what? I live in America too. But among people who reject your culture of fear and safety and who try toeducate the public and the curious about it whenever possible. That may be the difference.

TRONhack3rsays: Feb 23, 2011. 3:27 PM REPyou are totally right on the money!

SeniorShizzle says: Jan 8, 2011. 11:24 PM REPIf you notice nothing I said is false. You can choose to omit the part about Bogota if you want ;) The part about the middle easternlanguage is speculative, every person speculates as it's a natural part of the psychological condition brought on by nervousness. Anycop will tell you that. Not to mention that in post-9/11 America such a claim would be taken very seriously. The result, a 100%guarantee that no charges or indictions would be placed against you.
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11/13


audiophile says: Mar 14, 2011. 2:24 PM REPyou may be right. And the neighbor will probably get a knock on the door from the police. The police wil l question the man with thefusor and will probably be a l ittle freaked out, stay in the mans house while preventing him from touching anything on thesuspicious device until someone that know what their doing arrives. At which point the expert wil l assure the police that the deviceis harmless (providing that the builder took proper precautions as deuterium doesnt play to nicely wi th oxygen) and then come tothe caller and tell them thats its alright and that there is no danger.

It is true that since 9-11 we live in a different america. It is an america where everyone is afraid of what lurks around the corner.whether it be a suspicious neighbor, an odd looking suitcase, or a strange website that looks like it could steal our credit card if weclick the wrong thing. Indeed it is a scary world we live in now but the primary thing to fear is fear it self. Fear leads to irrationality,ignorance, and a hatred to things which we think have a potential to harm us. We fear what we dont understand but how can wefear something when we fail to take the time accurately assess if something actually poses a clear and present danger to us.

this is the part where i conclude with some epic mission statement for the world that embodies all of the preceding but im hungry.TO WENDY'S

Also, i look forward to the day when someone posts an instructable for Mr. Fusion

bend says: Feb 12, 2011. 10:00 AM REPnothing I said is false... except that false part...

Xellers says: Jan 8, 2011. 4:56 PM REP***EPIC FACEPALM!!!!!***

Not only have you proven yourself to be an ignorant racist through your post, but you've also proven that you've got no idea what you'retalking about. This time, there's no need for me to respond to your idiocy, I'll just let others figure it out for themselves.

SeniorShizzle says: Jan 8, 2011. 6:00 PM REPWat?

cdousley says: Jan 12, 2011. 7:50 PM REPwhoah i think seniorshizzle here is just trying to make a point about how people would react to seing something like this and justthe way people are i dont know why everyone is being so mean to him

Xellers says: Jan 12, 2011. 8:50 PM REPThat doesn't seem like what he is saying at all - it looks more like he's (unsuccessfully) trying to defend "PDRWLSN". Both ofthem are wrong, and "SeniorShizzle" is a racist, therefore, we are trying to set them straight.

cdousley says: Jan 15, 2011. 4:23 PM REPno i think hes saying that people like PDRWLSN who dont know anything about this would be scared by it and call thepolice. thats what it sounds like to me.

teamtestbot says: Jan 15, 2011. 9:19 PM REPBut that in itself is what concerns me about the modern West. And I specifically call out First World, Western nations onthis because it is us who have let our curiosity of the natural world and its principles lapse so much in favor of a life ofmaterial comfort but outrageous ignorance.

I am disappointed that the fir st reaction we are told to have to something we do not fully understand is to "call theauthorities". What authorities? As if the authorities have any deeper understanding of the subject matter at hand?

Instead of knee-jerking and doing what amounts to tell ing the teacher in a grade school setting, what happened to ourcuriosity and our willingness to *communicate*? To talk to the other person and find out what it is they are doing? Toask about why the thing works the way i t does?

The culture of fear that modern governments have planted in people like PDRWLSN and maybe SeniorShizzle is onewhich is completely counterproductive to progress in technology and human advancement. It's a fear garden. Artificiallycultivated and harvested by world governments to keep their cit izens under control and satisfied with a bureaucrat'sdefinition of normalcy.

thirtyfivefox says: Feb 8, 2011. 6:26 PM REPCorrection on a typo... the first split atom was in the 40's...

thirtyfivefox says: Feb 8, 2011. 6:21 PM REPI think we just became friends, teamtestbot... I'm glad i'm not the only one who sees the world this way... . We wereon the cusp of atomic theory long before Christ even walked the planet, and subatomic theory has been around forover a hundred years, the first time we split an atom was in the 50's yet here we are now and the averagepopulation of America continues to degrade year after year in general education but more specifically in both fieldsof math and science. We saw educational trends like these in the dark ages and its fear mongering people thatpushed it forward as well (read here the church). The million mom march and the like are BS. Its time for rationalpeople to stand forward and quell the ignorant.
http://www.instructables.com/id/Build-A-Fusion-Reactor/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/thirtyfivefox/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/thirtyfivefox/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Build-A-Fusion-Reactor/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/thirtyfivefox/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/thirtyfivefox/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Build-A-Fusion-Reactor/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/teamtestbot/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/teamtestbot/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Build-A-Fusion-Reactor/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/cdousley/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/cdousley/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Build-A-Fusion-Reactor/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/Xellers/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/Xellers/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Build-A-Fusion-Reactor/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/cdousley/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/cdousley/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Build-A-Fusion-Reactor/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/SeniorShizzle/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/SeniorShizzle/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Build-A-Fusion-Reactor/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/Xellers/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/Xellers/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Build-A-Fusion-Reactor/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/bend/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/bend/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/id/Build-A-Fusion-Reactor/?utm_source=pdf&utm_campaign=comments#DISCUSShttp://www.instructables.com/member/audiophile/?utm_source=pdf&utm_campaign=commentshttp://www.instructables.com/member/audiophile/?utm_source=pdf&utm_campaign=comments


12/13


Jamo_G says: Mar 14, 2011. 2:24 AM REPI think this discussion tree should be forever encapsulated in a soft but laminated cover manual titled:

America: Home of the Free, Land of the Creative.

Maker(bot) bless AMERICA!

Xellers says: Feb 8, 2011. 9:32 PM REPActually, the first "splitting of an atom", or nuclear disintegration, that was completely under the control of theexperimenters was in 1932. Cockroft and Walton used a high voltage linear accelerator to fire protons at lithiumnuclei. However, this factual correction aside, what exactly do you mean by "we were on the cusp of atomictheory long before Christ even walked the planet"? I f by "atomic theory" you mean the recognition that themacroscopic world might be built from tiny atoms in the microscopic world, then you are correct. However, ifyou mean to say that ancient people (before the age of Christ) came anywhere near understanding theseatoms at even a rudimentary early 20th century level, then you are sadly mistaken. Also, if by "subatomictheory" you mean the recognition that atoms might be built from smaller units, then you are correct. However, ifby this you mean modern particle physics and the quark model and the standard model, then I'm afraid thatthose didn't really exist before the 1960s and 1970s. Much of moderns physics is actually a lot more modernthan you might think! All in all, I agree with your point. However, I think that it would be best to get your factsstraight before posting - an argument full of factual errors is not really an argument at all.

thirtyfivefox says: Feb 8, 2011. 11:43 PM REPI did indeed intend to describe what the greeks had discovered to be a ver rudimentary understanding ofatoms, though they did I'n fact coin the term. This is why I mentioned that they were on the cusp. As formodern subatomic theory it is still subatomic theory. Quarks and any smaller theoretical particles arequantum theory. I typo'ed the 50's but I was not aware of a successful fission prior to the early 40's, sothank you for that point. I 'm aware of how much we have advanced even if i don't have the precise claritythat the physicists practicing that field might have. Other than my typo I'm not sure how many factual errorsyou have actually seemed to have found? If you agreed with my point than perhaps you wouldn't mind

messaging me privately with the small discrepancies that you noticed so I don't feel like you are only tryingto smear me on the boards. I think for the most part we are on the same page in consideration of the maintopics in this forum. Take it easy! :-)

SeniorShizzle says: Feb 9, 2011. 6:53 AM REPSubatomic means *Sub*-Atomic, smaller than atoms, like quarks.

Javin007 says: Feb 8, 2011. 2:18 PM REPI can show you exactly how much knowledge the "Authorities" have regarding stuff like this. I had 4 fire engines, 2cop cars, and an ambulance show up at my apartment and almost cut down the door because a couple of bints thatwent through my apartment looking for excuses to evict me told them I had a "dangerous chemical emergency" inthere. (It was a small tin of dental amalgam I used to make fake teeth for the theater.)

www.Javin-Inc.com/foxchase

This is what we've come to in America. Not even your own home is safe from the ignorance of people in general.Mister Peter Wilson here is a shining example of this.

cdousley says: Jan 16, 2011. 3:54 PM REPYes your absouloutly right!

Techguy2396 says: Jan 3, 2011. 7:07 PM REPNice build, but I think i t would be far easier to do - not to mention cheaper - if you custom made your own parts with a homemade blastfurnace, and cast metal. Aluminum should work just fine. And the metal can be degassed, while in the molten state, which should make itideal for use in a vacuum.

Yes - it does need to be a precision chamber. But that does not necessarily preclude the possibility of casting your own.

TRONhack3rsays: Feb 23, 2011. 3:30 PM REPthanks for the idea!! ^_^

Xellers says: Jan 3, 2011. 7:44 PM REPThat's certainly a possibility if you have access to high quality tools and equipment and you have the necessary experience, but any slightimperfection leads to degassing, preventing a high enough level of vacuum. Also, if you really mess it up, then you risk imploding thewhole chamber!

christensent says: Jan 2, 2011. 8:10 PM REPAs far as I know my neighbors are not aware, but I live outside the city, my nearest neighbor i s more than a tenth of a mile away. A distance whereneutron counts would be effectively zero (as in not even close to background radiation levels).

I am not really concerned about them coming, since it is pretty much fully legal (the only possible gray area is the x-rays, but since it is properly shielded,there isn't much worry there - as I mentioned earlier, other people with fusors have had the government come check it out and were all given the OK to
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13/13

proceed). Also, I have my name and work on a fusion site that is much more watched by the government than instructables, so this is of litt le concern tome.

TRONhack3rsays: Feb 19, 2011. 10:21 PM REPthis is a nice build but i think you could have probably made it look better

hotrod1 says: Feb 16, 2011. 5:13 PM REPDude i thought this was a prop or a joke, but this is really hardcore. What exactly can this be used for?

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