Technology and science has advanced such a long way that as of 2015, we finally have a working hoverboard (kind of). Given more time and resources, it is possible that a fully-functional hoverboard will be available to the public within the next couple of decades.
But what about the Star Wars lightsaber?
Our criteria for a real-life functional lightsaber:
Retractable laser blade
Slices through almost any material
Laser collides (clash) when met with another laser
Containment of laser beam
Power cell small but powerful enough to power the blade
Let us take a look at the key components and materials.
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