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Originally posted by GargIndia
reply to post by Dr X
Nuclear fusion may be a power source, but likely for a very large craft. Nuclear fusion is very hard to achieve and it requires very bulky hardware (can refer to fusion reactor being built by France).
It is unlikely to be happening in 30ft (very small) craft.
We have to first understand and accept the basic principles - the first being that the same elements are found everywhere (at least our part of the galaxy from where we expect to see a visitor). If the physics is same; an alien ship will face similar complexities as our own ships.
If we say that alien elements and Physics is different, then I think we have no basis for any discussion as we simply do not know what we are talking about.
Originally posted by GargIndia
reply to post by Erno86
You watch too many science fiction movies.
The simple fact is fusion occurs at very high temperatures and pressures. The reaction creates high energy radiation . A ship has to not only contain the high temperature and pressure but also shield itself from the radiation coming out of the reactor.
I am ready to accept that Alien's technology can be far superior. However that does not mean we just junk the current understanding of Physics.
Our civilization has tried to put a nuclear reactor in an airplane and failed. So I agree putting a nuclear reactor in an airplane or spaceship is very big deal - the advancement factor of aliens. However if you say that fusion is happening at room temperature, creates vast amount of energy, and creates no harmful radiation - I would say sorry, you have no understanding of science.
Originally posted by GargIndia
reply to post by Xenoglossy
I am not talking about technology, I am talking about science.
It is possible that Aliens are far ahead of us in technology.
That does not mean their elements and properties of those elements are different from ours.
Originally posted by PLAYERONE01
some Australian cases of alien water thievery!
Originally posted by Jaellma
The following case is interesting.
I was 15 and on my August holidays from school and travelling with my father and 2 other men on a surveying trip to the interior of Guyana. We were in the New River / Courentyne River area across from Suriname. At dawn we were awake by the noise of all sorts of animals causing a commotion by the river. We rushed from the bushes to the river and saw a large silver saucer hovering over the middle of the river. It appeared to be drawing up water in [an] upside down funnel shape into [an] iris-shaped opening in the underside. We watched it for about 10 min. then suddenly the water spout fell back down and the craft shot straight up until it disappeared.
I can tell you, without a shadow of a doubt, anywhere in the interior of Guyana or along the New River area near Suriname is extremely remote rainforest area.
UFO sucking up water
Originally posted by dragnik
reply to post by karl 12
Is that photo the real coverage, or artistic impression on? UFO over watertank?
Originally posted by AckAckAttack34
First, let me get this straight?
Aliens can travel thousands/hundreds of thousands/millions of light years to visit earth in crafts that are way beyond our own current technological understand, and yet, the aliens would not have advanced enough with a basic understanding of chemistry to learn how to mix hydrogen and oxygen to make their own H2O?!?!?!..
Horse in a bathtub:
In considering extra-terrestrial intelligence, said Dr. Hynek, we may be putting the cart before the horse. As a humorous example, he added:
"'Speaking of horses, suppose someone comes here and tells us... there is a report of a horse in the bath tub. I think it would be rather pointless to then ask, what is the color of the horse, what does he eat, how could he have gotten there, who who installed the bath tub? The question is, is there a horse in the bath tub?
I do not believe their technology breaks rules of "our" Physics.
Originally posted by GargIndia
reply to post by Erno86
You watch too many science fiction movies.
The simple fact is fusion occurs at very high temperatures and pressures. The reaction creates high energy radiation . A ship has to not only contain the high temperature and pressure but also shield itself from the radiation coming out of the reactor.
I am ready to accept that Alien's technology can be far superior. However that does not mean we just junk the current understanding of Physics.
Our civilization has tried to put a nuclear reactor in an airplane and failed. So I agree putting a nuclear reactor in an airplane or spaceship is very big deal - the advancement factor of aliens. However if you say that fusion is happening at room temperature, creates vast amount of energy, and creates no harmful radiation - I would say sorry, you have no understanding of science.
Originally posted by Erno86
Originally posted by GargIndia
reply to post by Erno86
You watch too many science fiction movies.
The simple fact is fusion occurs at very high temperatures and pressures. The reaction creates high energy radiation . A ship has to not only contain the high temperature and pressure but also shield itself from the radiation coming out of the reactor.
I am ready to accept that Alien's technology can be far superior. However that does not mean we just junk the current understanding of Physics.
Our civilization has tried to put a nuclear reactor in an airplane and failed. So I agree putting a nuclear reactor in an airplane or spaceship is very big deal - the advancement factor of aliens. However if you say that fusion is happening at room temperature, creates vast amount of energy, and creates no harmful radiation - I would say sorry, you have no understanding of science.
"You watch too many science fiction movies."
I laughed out loud in in the library, when I read your statement. To the contrary...maybe I've had too many actual alien starship sighting's to keep a lid on what I've actually seen!!!
The starship's two outer magnetic shields holding the plasma: should concievably " have an associated vaccum system" between the inner magnetic shield and the starship, "maintaining the vaccuum boundary and absorbing the thermal radiation coming from the plasma."
Since the hull of the starship, that faces the magnetic shield that holds the plasma, "does not have to withstand large mechanical loads," due to anti-gravity, "so neutron damage is much less of an issue."
"The two outboard magnetic shields of the starship, could possibly "trap the heat within the inertial core, causing a variety of effects that improves fusion rates."
The hull of the starship might be composed of vanadum, "that does not easily become radioactive; which includes carbon fiber."
"Plasmas are electrically conducting by running a current through the plasma, a magnetic field will be generated around the plasma --- which is solved by inducing the current in plasma by induction from an external magnet, which will also produce the external field against which the internal field acts."
Quotes: Fusion, Wikipedia
edit on 10-4-2013 by Erno86 because: spellingedit on 10-4-2013 by Erno86 because: added a word