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 Matter/Antimatter - Physics at it's best! 
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Maladomini
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So recently I heard of antimatter and decided to check out what it's about. I came across this site. I read about antimatter ( the 'Kid's Corner' is very helpful! Adult or child! ) and it just amazed me! In a nutshell, everything is a matter. A chair, table, yourself. And every matter, has an antimatter. ( just read the site, it'll explain a lot more ).

So anyone here intersted in this? Here are 2 questions that poped up in my mind while reading about antimatter:
1) If we are able to make enough antimatter to fuel a spacecraft to go into 'warp', and we do go into warp ( which is faster then the speed of light ), wouldn't we have a hard time trying to dodge astroids and the like?

2) if we are albe to somehow dodge astroids, and we do get to an antimatter world, wouldn't the spaceship and its crew expload? because if matter and antimatter meet, they both "blow up".

Well, that was my little thought! *)

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Mon Dec 13, 2004 5:13 am
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Phlegethos
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Question 1)
That's a damn good question!

Question 2)
Good point... But then again, are we supposed to go to an Anti-Matter world? Or are we just supposed to go to other Matter-worlds?



Edited By Delluvian on 1102944544

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Mon Dec 13, 2004 5:27 am
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Maladomini
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Delluvian wrote:
Question 1)
That's a damn good question!

Question 2)
Good point... But then again, are we supposed to go to an Anti-Matter world? Or are we just supposed to go to other Matter-worlds?

Well, the whole point of spacetravel is to find other worlds ( well, most of them ), ragardless of matter or antimatter. But, if antimatter exsists, wouldn't you want to find it? I mean, if there is a mirror image of earth, then I bet many people would like to go there ( to escape their every day life on earth :P )

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Mon Dec 13, 2004 8:02 am
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Cania
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First of all DrXnY, I have to say: this is one hell of an awesome site, so thanks for sharing it with us all!

Unfortunatly I'm just learning about anti-matter as I write (although I do believe having heard of it before some years ago). I was going to attempt to give my oppinion on your questions but now I realise that...no, I just can't! They're amazing questions (which I've only seen answered in science fiction).

I'll read more and come back to this thread later and tell you what I think, if it already hasn't been said by then.

EDIT:
/div wrote:
[...]if antimatter exsists, wouldn't you want to find it?

Although...wouldn't the "anti-matter world" be right here, with us? Because to create particles, you need anti-particles, right? So they must be close to one another (yet never touch, it would seem) in order to create something we have the technology to detect.
So my question would be: what if anti-matter was already imbedded in our own world, yet never touching it? After all, we already use anti-matter in every day life.

<!--me&spiderman--><span id='ME'><center>spiderman goes off to get some traditional anti-morning-hunger</center></span><!--e-me-->

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Mon Dec 13, 2004 8:02 am
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Maladomini
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spiderman wrote:
First of all DrXnY, I have to say: this is one hell of an awesome site, so thanks for sharing it with us all!

Unfortunatly I'm just learning about anti-matter as I write (although I do believe having heard of it before some years ago). I was going to attempt to give my oppinion on your questions but now I realise that...no, I just can't! They're amazing questions (which I've only seen answered in science fiction).

I'll read more and come back to this thread later and tell you what I think, if it already hasn't been said by then.

EDIT:
/div wrote:
[...]if antimatter exsists, wouldn't you want to find it?

Although...wouldn't the "anti-matter world" be right here, with us? Because to create particles, you need anti-particles, right? So they must be close to one another (yet never touch, it would seem) in order to create something we have the technology to detect.
So my question would be: what if anti-matter was already imbedded in our own world, yet never touching it? After all, we already use anti-matter in every day life.

<!--me&DrXnY--><span id='ME'><center>DrXnY spiderman goes off to get some traditional anti-morning-hunger</center></span><!--e-me-->

Your welcome! :D

Regarding your question:
An anti-matter world ( 'antiworld' ) would have to be made up of all antiparticles. Yes, we use antiparticles in every day life, but does that make our life antilife? ( well, for us goths its always anti-life :P ) what i'm saying is, our world is made of particles, and we use antiparticles, we're not made up of them. An antiworld would have to be far away, or else we would expload ( and so would the antiworld ). As for out solar system, i'm 99% sure it's made up of all particles, not antiparticles.
Yes, antiparticles exsist in our world, but they are not enough to make an antiworld...

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Mon Dec 13, 2004 8:20 am
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Dis

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Here's a better question:

If Buzz Lightyear doesn't know he's a toy, why doesn't he move when kids are around?

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Mon Dec 13, 2004 9:39 am
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Maladomini
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The Duckman wrote:
Here's a better question:

If Buzz Lightyear doesn't know he's a toy, why doesn't he move when kids are around?

maybe his antimatter collided with the kids' matter, and his only antimatter was his joints, so he couldn't have moved. :P

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Mon Dec 13, 2004 10:03 am
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Malbolge

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On a relatively un-scientific note, I always thought that if George W. Bush and Stephen Hawking were ever in the same room, it would be like matter and antimatter colliding and the universe would collapse. . . .


Mon Dec 13, 2004 10:21 am
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Maladomini
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Mathias Constantine wrote:
On a relatively un-scientific note, I always thought that if George W. Bush and Stephen Hawking were ever in the same room, it would be like matter and antimatter colliding and the universe would collapse. . . .

d'oh! who's Stephen Hawking....?

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Mon Dec 13, 2004 11:37 am
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Minauros
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Well from what I learned at school their is many different types of matter and to understand one you need to understand the influences of all of them.. for example dark matter is theorized to be the matter that makes up the foundation of a black hole which in turn you could say to be a worm hole! but this theory is not yet proven. Proto matter, Dark matter, and antimatter are just a few of the different types of things that are the building blocks of our universe!

But yet we as humans are just beginning to understand the uses of them. On your idea if humans were to travel into an antimatter slip stream or "WARP" you would be involuntarily opening a small worm hole." THEORY " in which you and your craft would alone be able to travel in a separate state! like a bubble running through water, it moves around objects in its path to continue to its intended destination. This is one of the theories behind the antimatter, "Warp" field system. But another problem arises as to weather the human body or any physical structure could actually withstand such pressure from moving at that speed..

Its just a theory but one that got me talking to the teachers at our local University!B)

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Mon Dec 13, 2004 12:36 pm
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Cania
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Um... antimatter does exist. In very minute forms for nanoseconds before combining with matter and destroying itself.
http://livefromcern.web.cern.ch/livefro....00.html

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Mon Dec 13, 2004 1:27 pm
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Maladomini
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Vivisector wrote:
Um... antimatter does exist. In very minute forms for nanoseconds before combining with matter and destroying itself.
http://livefromcern.web.cern.ch/livefro....00.html

Yes, antimatter exsists, but no where on earth ( that is, naturally, since scientist are making antiparticles ) and nowhere near earth.

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Mon Dec 13, 2004 2:43 pm
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Cania
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1) To go faster than the speed of light could mean the entire ship will become energy. Therefore passing through an object, such as an asteroid, would not be much of an issue; you could pass through it. The issue I believe would be passing through the object would cause some energy loss, so once you arrived at your destination you may not be the whole person you once were. Also, reaching your desitnation and slowing down might find you inside something.

Another theory is once you achieve said speed an atmosphere would be developed around the 'ship' causing realively small paricles to burn away or become absorbed into your energy mass.

Of course navigation as a whole would be difficult due to all the gravitational effects.

And then there is the whole time debt aspect.

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Mon Dec 13, 2004 3:17 pm
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Maladomini
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nuksaa wrote:
1) To go faster than the speed of light could mean the entire ship will become energy. Therefore passing through an object, such as an asteroid, would not be much of an issue; you could pass through it. The issue I believe would be passing through the object would cause some energy loss, so once you arrived at your destination you may not be the whole person you once were. Also, reaching your desitnation and slowing down might find you inside something.

Another theory is once you achieve said speed an atmosphere would be developed around the 'ship' causing realively small paricles to burn away or become absorbed into your energy mass.

Of course navigation as a whole would be difficult due to all the gravitational effects.

And then there is the whole time debt aspect.

Hmm.... I didn't know that you pass through objects when going the speed of light, but I guess it makes sense...
And what do you mean by "you won't be a whole person wehn you get to your destination"?

And about the theory with the atmosphere, if small particles become absorbed into your energy, wouldn't that be a good thing? I mean, you are getting more energy, so you can move fast or have more energy to come back to earth or whatnot. I'm probebly wrong, but i'm still just a beginner. Do you have any links to sites that explain all these theorys/explain about hyperspace in general?

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Tue Dec 14, 2004 3:34 am
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Minauros
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I always thought of the hyperspace theory referring to a bubble. if you add more energy or air for example to the bubble it would expand until it separates. In turn if you added more energy to the human body it would shut down or simply exist in a different plane of existence than before. I'n not entirely certain on haw much energy a single human body can take but I don't think it is all that much.

I seem to think that when you create a ship that can travel faster than the speed of light you create a kind of special distortion that allows you to travel in a relative straight line to you destination, in effect a sort of worm hole is created.

I asked a teacher at my school the other day about this, he said that in order for a ship to travel faster than the speed of light you would need an energy barrier strong enough to guide you around objects with greater or the same amount of energy as your craft, in effect creating a hyperspace bubble that allows you to travel around the objects in your path, or in the case of a small pebble to push or disintegrate the particle completely.

But it would be fun to try this out. X)

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Tue Dec 14, 2004 11:54 am
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