Submitted by nitrox through Google Reader:
During the 50's of XX century, devised a project aimed, through the impetus provided by nuclear explosions on a shield inertial trigger an interstellar spacecraft.
In Alt64 wiki are:
Looking for a more efficient way of using atomic energy emerged Orion project, which involves using an atomic explosion to produce plasma that when it hits a plate in the spacecraft generate an enormous boost.
burst duration is so brief that the drive plate, steel or aluminum, suffering only slight wear.
The result is an engine with a ratio of pulse thousands of times greater than a chemical engine. You also need a much lower reaction mass due to the high speeds reached plasma.
However, a small mistake in the process of detonation can destroy the ship, and everything that is near . Thus, an international treaty prohibiting the deployment of nuclear weapons in space.
But science fiction has been able to circumvent these drawbacks. In the movie Deep Impact , the ship built by the United States to intercept the comet that will destroy the Earth is equipped with an Orion propulsion system and drive plate can be seen perfectly in the sequence starting from the ship. This is an important skill in the atmosphere science of the film, because with current technology this is the only system that would achieve the necessary speed to the orbital maneuver quoted the comet . Video
seen in the fabulous blog telephoto
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