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From: "Robert I. Eachus" <rieachus@comcast.net>
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Date: 2003-11-19T20:34:23-05:00
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Dmytry Lavrov wrote:

> As with antigravitation:for loong time peoples want it to solve some
> problems,it's useful.Time-mashine:for far longer time peoples want
> it,where that time mashine????Show me antigravity!!
> Teleportation?,hehe.

Dmyytry, Dmytry, you really need to catch up on your technical reading:

Teleportation: http://www.aip.org/physnews/graphics/html/teleport.htm

Time travel: http://www.sciencenews.org/sn_arc98/4_11_98/fob3.htm

Superluminal communication: 
http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1999quant.ph..6113S

The importance of the third paper is that teleportation requires a 
communication channel, so if you want to go some long distance and not 
spend a long time doing so, you need a superluminal (faster than light) 
communciation path.  This paper shows that superluminal communication 
does not involve causal loops, i.e. time travel.

The first (impractical) demonstration of superluminal communication was 
by Nimtz: Nimtz, G. "Superluminal Signal Velocity." Ann. Phys. 7, 61-68, 
1998.

Notice that all these results are so last century. ;-)

> Too wishful thinking about nuclear reactors using deiterium and
> tritium.Quite unlikely(but possible) that in next 50 years we will
> have  it.
> If our childs will be able to use that waste in next 50 years,we
> should have so simple thing as H-reactors NOW.

Practical tokamaks however, may be a fairy tale.

-- 
                                           Robert I. Eachus

100% Ada, no bugs--the only way to create software.