Reply Thu 13 Feb, 2003 08:06 pm
Particle physicists tell us there is such a thing as Anti-Matter. When combined with its counterpart matter, these annihilate themselves producing a tremendous amount of energy.
If these two substances destroy each other upon contact what kind of substance could keep these apart until needed for energy generation?

JM
 
Post: # 105,843
View Profile steissd
 
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Reply Fri 14 Feb, 2003 11:23 am
Contact of matter and antimatter may be prevented by the powerful magnetic field.
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Reply Fri 14 Feb, 2003 08:02 pm
steissd: Thanks for the reply.

Just got informed from the other place of a great web site from CERN in Switzerland that gives a lot of info about anti-matter if you or any body is interested.

http://livefromcern.web.cern.ch/livefromcern/antimatter/

JM
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Post: # 106,707
View Profile satt fs
 
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Reply Sat 15 Feb, 2003 01:42 am
JM..
The link you added does not seem to contain the answer to your question.
I think that several anti-protons can be stored in liquid helium or liquid nitrogen, as these atoms have a tendency to repulse negative ion. To reduce the probability of random motion of anti-protons, strong magnetic field would be required.
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Reply Sat 15 Feb, 2003 11:15 am
satt,
Here is the link that gives me a hint that the matter/anti-matter reaction that I had hoped would give us a supply of energy would not be very practical in real life.

http://livefromcern.web.cern.ch/livefromcern/antimatter/academy/AM-travel01b.html

Specifically the quote from that site:

"This is similar to what happens when energy transforms into matter. Many experiments have shown that you can only produce a pair of particle and its mirror image, called 'antiparticle', at the same time. Nobody has ever observed the production of only particles, or only antiparticles."

Hints at the impracticability of energy generated by this method, unless we find some concentration of anti-matter somewhere in the universe that could be economically mined.

JM
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Post: # 107,315
View Profile satt fs
 
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Reply Sat 15 Feb, 2003 04:01 pm
JM..
In a page of your link, you can find paragraphs,
"Antiparticles have either a positive or a negative electrical charge, so they can be stored in what we call a trap which has the appropriate configuration of electrical and magnetic fields to keep them confined in a small place. Of course, this has to be done in good vacuum to avoid collisions with matter particles. "

However they do not give a clear exposition of what their "trap" is
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Reply Sun 16 Feb, 2003 07:20 pm
Just need one of these....

http://www.geocities.com/Area51/Starship/9943/USS_Voyager/Engineering4.jpg
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Reply Sun 16 Feb, 2003 07:21 pm
and a couple of these.

http://www.geocities.com/Area51/Starship/9943/USS_Voyager/Engineering2.jpg
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