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Old 12-28-2008, 09:56 PM   #1
Antaletriangle
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Default Scientists plan to ignite tiny man-made star.

Apologies if this has already been posted.
http://www.telegraph.co.uk/sciencean...made-star.html

By Richard Gray, Science Correspondent
Last Updated: 4:50PM GMT 27 Dec 2008

Previous1 of 4 ImagesNext Inside the target chamber, where scientists will attempt to create an artificial sun. Photo: Lawrence Livermore National Laboratory
The capsule containing the 'fuel' on which laser beams will be concentrated. The aim is to generate temperatures of more than 1,000 million degrees Celsius. Photo: Lawrence Livermore National Laboratory
Jeff Wisoff, deputy principal associate director of the NIF, in the room where a single infrared laser is sent through almost a mile of lenses, mirrors and amplifiers. Photo: Lawrence Livermore National Laboratory
The NIF covers an area the size of three football pitches. Photo: Lawrence Livermore National Laboratory
While it has seemed an impossible goal for nearly 100 years, scientists now believe that they are on brink of cracking one of the biggest problems in physics by harnessing the power of nuclear fusion, the reaction that burns at the heart of the sun.

In the spring, a team will begin attempts to ignite a tiny man-made star inside a laboratory and trigger a thermonuclear reaction.

Its goal is to generate temperatures of more than 100 million degrees Celsius and pressures billions of times higher than those found anywhere else on earth, from a speck of fuel little bigger than a pinhead. If successful, the experiment will mark the first step towards building a practical nuclear fusion power station and a source of almost limitless energy.

At a time when fossil fuel supplies are dwindling and fears about global warming are forcing governments to seek clean energy sources, fusion could provide the answer. Hydrogen, the fuel needed for fusion reactions, is among the most abundant in the universe. Building work on the £1.2 billion nuclear fusion experiment is due to be completed in spring.

Scientists at the National Ignition Facility (NIF) in Livermore, nestled among the wine-producing vineyards of central California, will use a laser that concentrates 1,000 times the electric generating power of the United States into a billionth of a second.

The result should be an explosion in the 32ft-wide reaction chamber which will produce at least 10 times the amount of energy used to create it.

"We are creating the conditions that exist inside the sun," said Ed Moses, director of the facility. "It is like tapping into the real solar energy as fusion is the source of all energy in the world. It is really exciting physics, but beyond that there are huge social, economic and global problems that it can help to solve."

Inside a structure covering an area the size of three football pitches, a single infrared laser will be sent through almost a mile of lenses, mirrors and amplifiers to create a beam more than 10 billion times more powerful than a household light bulb.

Housed within a hanger-sized room that has to be pumped clear of dust to prevent impurities getting into the beam, the laser will then be split into 192 separate beams, converted into ultraviolet light and focused into a capsule at the centre of an aluminium and concrete-coated target chamber.

When the laser beams hit the inside of the capsule, they should generate high-energy X-rays that, within a few billionths of a second, compress the fuel pellet inside until its outer shell blows off.

This explosion of the fuel pellet shell produces an equal and opposite reaction that compresses the fuel itself together until nuclear fusion begins, releasing vast amounts of energy.

Scientists have been attempting to harness nuclear fusion since Albert Einstein’s equation E=mc², which he derived in 1905, raised the possibility that fusing atoms together could release tremendous amounts of energy.

Under Einstein’s theory, the amount of energy locked up in one gram of matter is enough to power 28,500 100-watt lightbulbs for a year.

Until now, such fusion has only been possible inside nuclear weapons and highly unstable plasmas created in incredibly strong magnetic fields. The work at Livermore could change all this.

The sense of excitement at the facility is clear. In the city itself, people on the street are speaking about the experiment and what it could bring them. Until now Livermore has had only the dubious honour of being home of the US government’s nuclear weapons research laboratories which are on the same site as the NIF.

Inside the facility, the scientists are impatient. After 11 years of development work, they want the last of the lenses and mirrors for the laser to be put in place and the tedious task of adjusting and aiming the laser to be over, a process they fear could take up to a year before they can successfully achieve fusion.

Jeff Wisoff, a former astronaut who is deputy principal associate director of science at the NIF, said: "Everyone is keen to get started, but we have to get the targeting right, otherwise it won’t work.

"We will be firing laser pulses that last just a few billionths of a second but we will be creating conditions that are found in the interior of stars or exploding nuclear weapons.

"I worked on the building of the International Space Station, but this is a far bigger challenge and the implications are huge. When we started the project, a lot of the technology we needed did not exist, so we have had to develop it ourselves.

"The next step is looking at how ignition can be used to deliver something of value to the world. It has the potential to be one of the biggest achievements mankind has made."

Although other experiments have attempted to create the conditions needed for nuclear fusion, lasers are seen as the most likely technique to be able to provide a viable electricity supply.

If all goes well, the NIF will be able to fire its laser and ignite a fusion reaction every five hours, but to create a reliable fusion power plant the laser would need to ignite fusion around 10 times a second.

The scientists are already working with British counterparts on the next step towards a fusion power station. A project known as the High Powered Laser Research facility aims to create a laser-powered fusion reactor that can fire once every couple of minutes.

Prof Mike Dunne, director of the central laser facility at the Rutherford Appleton Laboratory near Oxford, said: "The National Ignition Facility is going to finally prove fusion can be achieved with a laser. It will start an exciting new period in physics as it will prove what we are trying to achieve is actually be possible."

Last edited by Antaletriangle; 12-28-2008 at 10:00 PM.
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Old 12-29-2008, 03:58 PM   #2
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Default Re: Scientists plan to ignite tiny man-made star.

I can't understand why this hasn't been more focused on in the public eye-most are focused on CERN.I think this is a radical experiment.Nobody appears to be too concerned as no replies to the post,oh well!?lol.
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Old 01-01-2009, 03:26 AM   #3
Dantheman62
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Default Re: Scientists plan to ignite tiny man-made star.

It sounds more like just an experiment and I'm sure something will go wrong like in the big particle accelerator, I mean I hope it works but it sounds like a huge feat just to line everything up and hit a little dot of fuel! Phew!,lenses and mirrors and lasers oh my! LOL!
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Old 01-02-2009, 06:19 PM   #4
Dantheman62
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Default Re: Scientists plan to ignite tiny man-made star.

Directions
Get maps and directions to Lawrence Livermore National Laboratory (LLNL). Tours of NIF originate at LLNL's Discovery Center, located off Greenville Road at Eastgate Drive.

Public Tours
Public tours of the NIF site can be arranged by contacting the LLNL Public Affairs Office at (925) 422-4599
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Old 01-02-2009, 06:21 PM   #5
Dantheman62
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Default Re: Scientists plan to ignite tiny man-made star.

Here's a video gallery link.. https://lasers.llnl.gov/multimedia/video_gallery/
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Old 01-04-2009, 11:48 AM   #6
Paramartasaya
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Post Re: Scientists plan to ignite tiny man-made star.

Hi Antaletriangle

Thanks for the information, you can read some information about this in the book, And Still They Fly.

http://www.theyfly.com/

http://andstilltheyfly.com/
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Old 01-18-2009, 05:45 AM   #7
Phtha
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Default Re: Scientists plan to ignite tiny man-made star.

Quote:
Originally Posted by Antaletriangle View Post
scientists now believe that they are on brink of cracking one of the biggest problems in physics by harnessing the power of nuclear fusion, the reaction that burns at the heart of the sun.
[/IMG]
No kidding its a big problem for scientists... considering that Stars, our Sun, are Not
powered by nuclear fusion as we are fed to believe in de-education institutions.


Its been known for ages upon ages that it is electricity that powers the Sun! Read Blavatksy for proof!
Its gone Esoteric these last 4000 years, but for those that have studied
occultism know this fact.
If it is Nuclear fusion that powers the sun that why are sunspots black and instead of pure bright light! Because the center of the sun is cool not hot!


Here is a must watch video, by actual scientists (if you can believe it) which prove this fact about our Sun, and
indeed our universe. It's powered by electricity!

THUNDERBOLTS OF THE GODS
http://video.google.ca/videoplay?doc...16220374&hl=en


I am curious now exactly what these buffoons in the above article are going to do though.

Last edited by Phtha; 01-18-2009 at 06:33 AM.
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Old 01-20-2009, 08:38 PM   #8
Dantheman62
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Default Re: Scientists plan to ignite tiny man-made star.

This has been the briefest of introductions to Juergens' Electric Sun model - the realization that our Sun functions electrically - that it is a huge electrically charged, relatively quiescent, sphere of ionized gas that supports an electric plasma arc discharge on its surface and is powered by subtle currents that move throughout the now well known tenuous plasma that fills our galaxy. A more detailed description of the ES hypothesis as well as the deficiencies of the standard solar fusion model are presented in The Electric Sky.

Today's orthodox thermonuclear models fail to explain many observed solar phenomena. The Electric Sun model is inherentlypredictive of all these observed phenomena. It is relatively simple. It is self consistent. And it does not require the existence of mysterious entities such as the unseen solar 'dynamo' genie that lurks somewhere beneath the surface of the fusion model. The Electric Sun model does not violate Maxwell's equations as the fusion model does.

Ralph Juergens had the genius to develop the Electric Sun model back in the 1970's. His hypothesis has so far passed the harsh tests of observed reality. His seminal work may eventually get the recognition it deserves. Or, of course, others may try to claim it, or parts of it, and hope the world forgets who came up with these ideas first.
There is now enough inescapable evidence that a majority of the phenomena we observe on the Sun are fundamentally electrical in nature. Ralph Juergens was the person with the vision to see it.



A sunspot showing the umbra, penumbra, and surrounding anode tufts (DLs).




The effects of +ions flowing out of a sunspot.
Strong electric currents also flow in and above the Sun's surface at the edge of sunspot umbrae due to the voltage difference between nearby anode tufts and the central umbrae of the spots (where there are no tufts). This region is called a sunspot's penumbra. These currents of course produce magnetic fields. Since, in plasmas, twisting electrical (Birkeland) currents follow the direction of magnetic fields, the glowing plasma in these regions often shows the complicated shapes of these spot related looping magnetic fields. Remember. Brikeland currents TWIST !
(c)

The Penumbra - Birkeland currents following the voltage drop from the photosphere down to the umbra.
The twisting Birkeland currents evident in a detailed image of the penumbral streamers.


The Electric Sun Hypothesis
The Basics
  • In this day and age there is no longer any doubt that electrical effects in plasmas play an important role in the phenomena we observe on the Sun. The major properties of the "Electric Sun (ES) model" are as follows:
    • Most of the space within our galaxy is occupied by plasma (rarefied ionized gas) containing electrons (negative charges) and ionized atoms (positive charges). Every charged particle in the plasma has an electric potential energy (voltage) just as every pebble on a mountain has a mechanical potential energy with respect to sea level. The Sun is surrounded by a plasma cell that stretches far out - many times the radius of Pluto. These are facts not hypotheses.
    • The Sun is at a more positive electrical potential (voltage) than is the space plasma surrounding it - probably in the order of 10 billion volts.
    • Positive ions leave the Sun and electrons enter the Sun. Both of these flows add to form a net positive current leaving the Sun. This constitutes a plasma discharge analogous in every way (except size) to those that have been observed in electrical plasma laboratories for decades. Because of the Sun's positive charge (voltage), it acts as the anode in a plasma discharge. As such, it exhibits many of the phenomena observed in earthbound plasma experiments, such as anode tufting. The granules observed on the surface of the photosphere are anode tufts (plasma in the arc mode).
    • The Sun may be powered, not from within itself, but from outside, by the electric (Birkeland) currents that flow in our arm of our galaxy as they do in all galaxies. This possibility that the Sun may be exernally powered by its galactic environment is the most speculative idea in the ES hypothesis and is always attacked by critics while they ignore all the other explanatory properties of the ES model. In the Plasma Universe model, these cosmic sized, low-density currents create the galaxies and the stars within those galaxies by the electromagnetic z-pinch effect. It is only a small extrapolation to ask whether these currents remain to power those stars. Galactic currents are of low current density, but, because the sizes of the stars are large, the total current (Amperage) is high. The Sun's radiated power at any instant is due to the energy imparted by that amperage. As the Sun moves around the galactic center it may come into regions of higher or lower current density and so its output may vary both periodically and randomly.
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Old 01-20-2009, 11:43 PM   #9
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Default Re: Scientists plan to ignite tiny man-made star.

zorgon posted stuff about this to.

good read if you can find it.
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