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A lightsaber is a fictional energy weapon featured in the ''Star Wars'' universe. A typical lightsaber is over a meter in length total, usually consisting of a metal hilt (usually around in length〔(【引用サイトリンク】work=proparchives.com )〕) that projects a brightly-lit energy blade (usually around in length,〔 though the length can usually be adjusted by a control on the side of the hilt). The lightsaber is the signature weapon of the Jedi order and their Sith counterparts, both of whom can use them for close combat, or to deflect blaster bolts. Its distinct appearance was created using rotoscoping for the original films, and digitally for the prequel trilogy. The lightsaber first appeared in the original 1977 ''Star Wars'' film and every ''Star Wars'' movie has featured at least one lightsaber duel. In 2008, a survey of approximately 2,000 film fans found it to be the most popular weapon in film history. Lightsabers belong to The Walt Disney Company following their acquisition of LucasFilm. The lightsaber's energy blade can cut, burn and melt through most substances with little resistance. It leaves cauterized wounds in flesh, but can be deflected by another lightsaber's blade, or by energy shields. Some exotic saber-proof materials have been introduced in the Expanded Universe. An active lightsaber gives off a distinctive hum, which rises in pitch and volume as the blade is moved rapidly through the air. Bringing the blade into contact with another lightsaber's blade produces a loud crackle. ==Conceptual origin== There are several literary precedents in science fiction for a "sword" of pure energy that can cut through anything, notably: * Edmond Hamilton's story ''Kaldar: World of Antares''〔(Eight Miles Higher: Book Review: Edmond Hamilton 'City At World's End' ). Andrewdarlington.blogspot.co.il (2012-03-30). Retrieved on 2013-07-28.〕 (published 1933 in the April issue of ''The Magic Carpet Magazine''). It was reprinted in one of Donald A. Wollheims well-known and widely-read Science Fiction anthologies, ''Swordsmen in the Sky'', Ace Books 79276, 1964, and thus readily available to the Science Fiction reader community of the 1960s and 1970s. * Fritz Leiber's ''Gather Darkness'' (1943): the priests' "rods of wrath" (energy projections) only end where they cut into solid matter, so that a single duel led to numerous casualties of bystanders and charred scores across all nearby walls.〔(Technovelgy: "Rod of Wrath" )〕 * Isaac Asimov's ''Lucky Starr series'' (1952): The force-blade is "a short shaft of stainless steel" which can project a force field that can cut through anything, making it "the most vicious weapon in the galaxy." Asimov's force-blade expands on his earlier invention of "a penknife with a force-field blade," first used in his Foundation novel (1951).〔("force-blade" )〕 * Larry Niven's ''Ringworld'' (1970): Louis Wu uses his "flashlight laser" as a sword of indefinite length.〔(TV Tropes: Laser Blade ), see "Literature".〕 * M. John Harrison's ''The Pastel City'' (1971): the energy ''baan'' are used by the Methven, an order of knights sworn to protect their empire.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Lightsaber」の詳細全文を読む スポンサード リンク
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