Star Wars lightsaber: Engineers inspired by Star Wars build a working 'Jedi lightsaber'

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Star Wars lightsaber: Engineers inspired by Star Wars build a working 'Jedi lightsaber' 1

The Star Wars lightsabers also emit a characterise hum or buzz that is missing from the laser sword.

Dr Petelczyc said: “These effects could be achieved, not with lasers, but plasma physics.”

Despite these shortcomings, the engineers believe the most exciting part of the lightsaber is the lens used to focus the beam of light.

Designed at the Warsaw Polytechnic in 1990, the specially crafted lens allows light to focus along a specific distance rather a single point.

Unlike traditional lenses that focus light at a set distance, the new lens features a number of cuts and varying thicknesses to focus light at different lengths.


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