A wormhole is a hypothetical path through space-time that might
possibly generate shortcuts for long space voyages across the cosmos. The ideas
of Wormholes are projected by Einstein’s theory of general relativity. These theoretical
concepts of wormholes also propose the dangers of rapid collapse, high
radiation and unsafe interaction with exotic matter.
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A model of 'folded' space-time demonstrates
how a wormhole bridge might exist with at least two opennings that are linked
to a single tunnel or tube.
Image Credit: edobric, Shutterstock
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The
Wormhole theory
In 1935, famous physicists Albert Einstein and Nathan Rosen by
using the theory of general relativity suggested the presence of
"bridges" through space-time. These routes, called Einstein-Rosen
bridges or wormholes, join two dissimilar points in space-time, theoretically generating
a shortcut that might reduce travel time and distance also. Wormholes comprise
two openings, with a tunnel linking the two openings. The openings would most probably
be spheroidal. The openings might be a straight stretch, but it might also wind
around, taking a lengthier route than a straighter route might require. Einstein's
famous theory of general relativity mathematically forecasts the presence of
wormholes, but none have been discovered or detected yet. A negative mass
wormhole might be detected by the way its gravity disturbs light that passes
by. Definite solutions of general relativity allow for the presence of
wormholes where the opening of each is a black hole. Nonetheless, a naturally existing
black hole, made by the collapse of a giant dying star, does not by itself generates
a wormhole.
Through
the wormhole
Science fiction is jam-packed with fictions of roaming
through wormholes. But the actuality of such travel is more complex then
presented in films, and not just as we've yet to spot one. The very first difficulty
is size. Ancient wormholes are projected to occur on microscopic levels, about
10–33 centimeters. Still, as the universe inflates, it is probable that some
may have been pushed or forced to larger sizes.
Another problem comes from constancy. The projected
Einstein-Rosen wormholes would be unworkable for travel as they collapse rapidly.
But current research found that a wormhole comprising "exotic" matter
might stay open and fixed for extended periods of time.
Exotic matter, which should not be mixed up with dark matter
or even with antimatter, comprises of negative energy density and a huge
negative pressure. Such type of matter has only been seen in the actions of definite
vacuum states as part of quantum field theory.
If a wormhole enclosed enough exotic matter, whether
naturally taking place or artificially added, it might theoretically be used as
a technique of sending information or even travelers through space.
Wormholes may perhaps not only join two distinct areas
within the universe, they could also link two different universes. Likewise,
some researchers have speculated that if one opening of a wormhole is relocated
in a precise manner, it could permit for time travel. Though, British
cosmologist Stephen Hawking has claimed that such use is not probable.
Even though adding exotic matter to a wormhole might
stabilize it to the peak that human travelers could travel securely through it,
there is still the probability that the addition of "regular" matter
would be appropriate to destabilize the gateway.
Today's machinery is not capable enough to increase or
stabilize wormholes, even if they could be discovered. Nevertheless, scientists
carry on exploring the conception as a technique of space travel with the optimism
that technology will ultimately be able to operate them.
