It is perhaps the most famous from sci-fi and fantasy, the LIGHTSABER from STAR WARS. First appearing in 1977 in the film that was later retitled Star Wars Episode IV: A New Hope, at first all we saw were blue and red lightsabers, until 1983 when we saw Luke's new green lightsaber (which was so the audience would recognize that the lightsaber was different than his father's, and so the blade would stand out against the blue of the Tatooine sky) in Star Wars Episode VI: Return of the Jedi…
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