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 a patent in 2018 for one such device, although ‘Sword device with retractable, internally illuminated blade,’ doesn’t quite evoke images of cutting through blast doors or droid armour. That begs the question on this Star Wars Day: 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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