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Article #5319

PHYSICS THEORIES AND DANCING ON THE HEAD OF A PIN

#5319
From: Pentcho Valev
Date: Mon, 24 Mar 2008 13:20
27 lines
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http://www.ekkehard-friebe.de/wallace.htm
Dying Bryan Wallace: "I expect that the scientists of the future will
consider the dominant abstract physics theories of our time in much
the same light as we now consider the Medieval theories of how many
angels can dance on the head of a pin or that the Earth stands still
and the Universe moves around it."

http://www.princeton.edu/main/news/archive/A97/94/63I40/index.xml
"We have had time travelers already," Gott said in an interview at his
Peyton Hall office. "The greatest time traveler so far is (cosmonaut)
Sergei Avdeyev, who, by virtue of being on space flights for 748 days,
is one-fiftieth of a second younger than if he had stayed home. So
that man has traveled one-fiftieth of a second into the future." The
key to time travel of any sort is the bendable nature of time, as
described by Einstein's theories of relativity. "Einstein showed that
moving clocks tick slowly," Gott explained....."Regarding time travel
into the past, Gott said it may be possible, but much more difficult.
One idea, developed by Kip Thorne and colleagues at the California
Institute of Technology, involves "wormholes," which are shortcuts
from one part of the universe to another. The other, which Gott
proposed in 1991, involves two "cosmic strings," which are filaments
of very dense matter left over from the early universe. When two
cosmic strings pass each other at a great enough speed, someone
traveling around the strings would be transported back in time."

Pentcho Valev
pvalev@yahoo.com
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From: Pentcho Valev <pvalev@yahoo.com>
Newsgroups: sci.physics.relativity,sci.physics,fr.sci.physique,fr.sci.philo,fr.sci.maths
Subject: PHYSICS THEORIES AND DANCING ON THE HEAD OF A PIN
Date: Mon, 24 Mar 2008 06:20:30 -0700 (PDT)
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