Since hitting the big screen in 1977, Star Wars has gone on to spawn 12 films in its saga as well as numerous spin-offs – with George Lucas’ creation becoming a worldwide cultural phenomenon.

Of course, in the 48 years that have passed since that original movie – later renamed Star Wars: Episode IV – A New Hope – technology has progressed rapidly. It prompted one fan and film buff to explain how the Jedi weapon, the lightsaber worked in Star Wars’ earlier productions in times of rudimentary…