Are working lightsabers possible? Is lightspeed real?

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Do spaceships make sound in space? And can you really have a working lightsaber? NC State College of Engineering professor Laura Bottomley answers a series of questions about the science of Star Wars. Come with us as we take you to a galaxy far, far away.

What color lightsaber would you choose? Let us know in the comments below, and check out our rundown on the reality of planets in the Star Wars galaxy.