U.S. DEPARTMENT OF DEFENSE / SCIENCE PHOTO LIBRARY. U.S. DEPARTMENT OF DEFENSE / SCIENCE PHOTO LIBRARY.
Star Wars research: a railgun (Electromagnetic Launcher) fires a 0. The railgun is being developed at Maxwell Laboratories Inc. San Diego, California, as part of the U. S. Government's research programme into space-based weapons capable of intercepting ballistic missiles - the Strategic Defense Initiative. Railguns use electromagnetism to accelerate a projectile towards its target, as opposed to rifles or rockets which use chemical energy as a propellant.
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