Ever dreamed of being a Jedi? Armed with an elegant weapon for a more civilised age, many of us have fantasised about cutting a bright green (or blue) swathe across a galaxy far, far away. Disney even released apatentin 2018 for one such device, although Sword device with retractable, internally illuminated blade, doesnt quite evoke images of cutting through blast doors or droid armour. That begs the question on thisStarWarsDay: is it actually possible to build a lightsaber, and if so, how far away from holding it in our hands and whistling Duel of Fates are we? The answer might…
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