James Hobson, better known as The Hacksmith online, is back at it again with his crazy plasma lightsaber. In addition to featuring a retractable blade that works at the push of a button, it can reach a scorching temperature of 2200 ° C. For anyone who missed the previous story, the beam generated with liquid propane gas and oxygen gas mixed in a fancy laminar flow nozzle, or a technology used to control the flow of water in jumping fountains.
Just by using different salts to the plasma, the lightsaber’s beam can change color. For example, boric acid creates a green beam like Yoda’s lightsaber, sodium chloride generates a bright yellow similar to Rey’s, and strontium chloride will generate a bright red for those who lean towards the dark side. The only caveat is that it requires an external power pack worn on the back.
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Even with all our new equipment and capabilities here at Hacksmith Industries, we’re still bound by the laws of thermodynamics. We don’t exactly have D-size batteries capable of putting out more power than a nuclear power plant — which by the way, is what you’d need for a lightsaber to function like it does in the movies,” said Hobson.