EXTRHTEHRESTRIHLS HUD UFOS 151
whatsoever. And the g-forces created by zigzagging flying saucers
would exceed one hundred times the gravitational force on Earth-the
g-forces would be enough to flatten any creature on Earth.
Can such UFO characteristics be explained using modern science?
In the movies, such as Earth vs. the Flying Saucers, it is always assumed
that alien beings pilot these craft. More likely, however, if such craft exist they are unmanned (or are manned by a being that is part organic
and part mechanical). This would explain how the craft could execute
patterns generating g-forces that would normally crush a living being.
A ship that was able to stop car ignitions and move silently in the
air suggests a vehicle propelled by magnetism. The problem with magnetic propulsion is that magnets always come with two poles, a north
pole and a south pole. If you place a magnet in the Earth's magnetic
field, it will simply spin (like a compass needle) rather than rise in the
air like a UFO; as the south pole of a magnet moves one way, the north
pole moves the opposite way, so the magnet spins and goes nowhere.
One possible solution to this problem would be to use "monopoles,"
that is, magnets with just one pole, either north or south. Normally if
you break a magnet in half you do not get two monopoles. Instead each
half of the magnet becomes a magnet by itself, with its own north and
south pole; that is, it becomes another dipole. So if you continue to shatter a magnet, you will always find pairs of north and south poles. (This
process of breaking a dipole magnet to create smaller dipole magnets
continues all the way down to the atomic level, where the atoms themselves are dipoles.)
The problem for scientists is that monopoles have never been seen
in the lab. Physicists have tried to photograph the track of a monopole
moving through their equipment and have failed (except for a single,
highly controversial picture taken at Stanford University in 1982).
Although monopoles have never been conclusively seen experimentally, physicists widely believe that the universe once had an
abundance of monopoles at the instant of the big bang. This idea is
built into the latest cosmological theories of the big bang. But because
the universe inflated rapidly after the big bang, the density of monopoles throughout the universe has been diluted, so we don't see them
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