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This nOde last updated August 15th, 2004 and is permanently morphing...
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wormhole (wûrm´hol´) noun
A hole made by a burrowing worm.
In 1963, Roy Kerr, a New Zealand mathematician, found a solution of Einstein's equations for a rotating
black hole, which had bizarre properties. The black hole would not collapse to a point (as previously thought) but into a spinning ring (of neutrons). The ring would be circulating so rapidly that centrifugalforce would keep the ring from collapsing under gravity. The ring, in turn, acts like the Looking Glass of Alice. Anyone walking through the ring would not die, but could pass through the ring into an alternate universe. Since then, hundreds of other "wormhole" solutions have been found to Einstein's equations. These wormholes connect not only two regions of space (hence the name) but also two regions of time as well. In principle, they can be used as time machines. Recently, attempts to add the quantum theory to gravity (and hence create a "theory of everything") have given us some insight into the paradox problem. In the quantum theory, we can have multiple states of any object. For example, an electron can exist simultaneously in different orbits (a fact which is responsible for giving us the laws of chemistry). Similarly, Schrodinger's famous cat can exist simultaneously in two possible states: dead and alive. So by going back in time and altering the past, we merely create a parallel universe. So we are changing someone ELSE's past by saving, say, Abraham Lincoln from being assassinated at the Ford Theater, but our Lincoln is still dead. In this way, the river of time forks into two separate rivers.
- Michio Kaku, Theoretical Physicist
SAKHAROV CLAIMS WE CAN INSTANTANEOUSLY CROSS SPACE
As reported in the July 1999 issue of "Physics Today," two and a half months before his death, the world-renowned Russian physicist Andrei Sakharov gave a speech in Lyons, France.
Included in that speech was the following: "We are looking into the fantastic possibility that regions of space separated from each other by billions of light years are, at the same time, connected to each other with the help of additional parallel entrances, often called 'wormholes.' In other words, we do not exclude the possibility of a miracle: the instantaneous crossing from one region of space to another. The elapsed time would be so short that we would appear in the new place quite unexpectedly, or, vice versa, someone would suddenly appear next to us. I talk of such things in order to show what kinds of questions are being raised and discussed at the cutting edge of science."