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In the writings of theoretical physicist Michio Kaku, science doesn't tiptoe into the realm of science fiction; it leaps with awesome bounds.The only way of discovering the limits of the possible is to venture a little way past them into the impossible.In the Star Trek TV series, such a force field is used to separate the shuttle bay, containing small shuttle craft, from the vacuum of outer space.It can, for example, be shaped in the form of a sheet or window.See Prepub Alert, LJ 10/1/07.Plasmas are not familiar to us because they are only rarely found on the Earth, but we can see them in the form of lightning bolts, the sun, and the interior of your plasma.In principle, one might be able to prevent the air within a spaceship from leaking out into space, thereby creating a convenient, transparent interface between outer space and the spaceship.Wells, he plots a future where we might be able to simulate invisibility or travel in time.The plasma window has wide applications for space travel and industry.
Finally, in the epilog, the author concedes that nobody may yet have even imagined tomorrow's impossibilities.
Each layer might not be strong enough alone to stop a cannon ball, but the combination might suffice.
Unfortunately, however, none of them has quite the properties of the force fields described in most science fiction.
This tour de force of science and imagination is for advanced high school students and.
Although the current world record for a carbon nanotube is only about 15 millimeters long, one can envision a day when we might be able to create carbon nanotubes of arbitrary length.
Yet even this multilayered shield would not completely fulfill all the properties of a science fiction force field-because it would be transparent and therefore incapable of stopping a laser beam.The Science of Leonardo, mighty few theoretical physicists would bother expounding some of these possible impossibilities, and Kaku is to be congratulated for doing.Kaku explores what we still do not quite understand, those grey areas that are surely the most fascinating part of physics.Empty space, to Faraday, was not empty at all, but was filled with lines of force that could make distant objects move.Like a new-millennium Jules Verne. .The military could use force fields to become invulnerable, creating an impenetrable shield against enemy missiles and bullets.Second, electromagnetism acts over large distances and cannot easily be focused onto a plane.Historians have speculated on how Faraday was led to his discovery of force fields, one of the most important concepts in all of science.