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Heat-Ray
The Heat-Ray is the primary offensive weapon used by the Martians in H. G. Wells' classic science fiction novel ''The War of the Worlds'' and its offshoots.
== In the novel ==
The Heat-Ray is essentially a directed-energy weapon, albeit that the name of "Heat-Ray" is more commonly applied to the destructive energy it projects than to the weapon itself; the latter described as a box-like or camera-like case mounted on larger machines, including Tripod fighting-machines, whereas the Ray was credited with striking targets at distances of at least two miles.
The novel explains:
"in some way they are able to generate an intense heat in a chamber of practically absolute non-conductivity. This intense heat they project in a parallel beam against any object they choose, by means of a polished parabolic mirror of unknown composition, much as the parabolic mirror of a lighthouse projects a beam of light... it is certain that a beam of heat is the essence of the matter. Heat, and invisible, instead of visible, light. Whatever is combustible flashes into flame at its touch, lead runs like water, it softens iron, cracks and melts glass, and when it falls upon water, incontinently that explodes into steam.〔, ("The Heat-Ray in the Chobham Road")〕
The only visible element of the ray was a flash emitted from the chamber, in which respect Wells' description is consistent with experimental directed-energy weapons of later years (such as a powerful CO2 Laser).
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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