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Science & Technology

Inventor builds working prototype lightsaber

By T.K. Randall
December 28, 2019 · Comment icon 23 comments

It looks impressive, but it can also quite easily kill you. Image Credit: YouTube / the Hacksmith
A popular YouTuber has designed and built an actual functioning protosaber that can literally melt your face off.
With 'Star Wars: The Rise of Skywalker' in cinemas this month, it is only fitting that someone should have another stab at building a real-life version of the movie's legendary Jedi weapon.

This latest attempt, which was put together by the team over at The Hacksmith, is not only the most realistic that we've seen to date but is also the most dangerous by a country mile.

Consisting of a long metal rod to act as the blade of the weapon, the prototype saber is heated up using an external power pack until it literally glows bright orange.
Once fully heated, it is capable of slicing and melting through a variety of objects, including the body of whoever is insane enough to actually try wielding the thing.

While it isn't quite the same as the lightsabers in the movies, it does resemble the so-called 'protosaber' - a precursor to the lightsaber that has been mentioned in Star Wars lore.

Suffice to say, it's not something you'd want to be slapping your friends around with.

You can check out a video showing the device being built and tested below.

Source: | Comments (23)

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Recent comments on this story
Comment icon #14 Posted by bison 5 years ago
The really interesting problem with a light saber is that the blade is made of light. How do you get light, even a laser, or some such, to project outward about one meter, and then just stop?
Comment icon #15 Posted by Seti42 5 years ago
It's a shame that shop is wasted on a pack of idiots making a huge heating element for You Tube clicks and EA game advertising.
Comment icon #16 Posted by Seti42 5 years ago
It's either impossible (like anti-gravity, teleportation, FTL travel, time travel, etc.)...Or we need at least few hundred more years of physics and materials/engineering knowledge.
Comment icon #17 Posted by bison 5 years ago
All of those technical problems you mentioned may eventually be solvable, though I have my doubts about time travel! Thinking about any of these, and  just why we can't do these things now, may help us to find the answers. 
Comment icon #18 Posted by Desertrat56 5 years ago
Wait, doctors use laser cutters to do surgery.  If the light did not stop they couldn't use it as it would cut right through, instead they are able to cut smaller  places more accurately than with a normal blade.  Maybe do some research on the kinds of lasers doctors use for surgery.  
Comment icon #19 Posted by bison 5 years ago
In laser surgery, the laser beam is reportedly absorbed by the tissue, or by some substance injected to absorb it. The laser, it's said, is of very low power, and typically pulsed on and off so as not to do damage to other tissues. This information does not appear to be applicable to a high power laser operating through the air. Some very advanced technology might someday make it possible to control a beam of light in the manner suggested by the idea of a light saber. Perhaps the long-sought unification of gravity with the other forces of nature, including electromagnetism, which includes li... [More]
Comment icon #20 Posted by Piney 5 years ago
and Rian Johnson.  It's pulsed, so damage to the surrounding tissue is minimal. 
Comment icon #21 Posted by Piney 5 years ago
After watching the video I was hoping he fell face first on on it. But Kanye would make a good test dummy. 
Comment icon #22 Posted by Tom1200 5 years ago
Another crucial difference is - light is only detected when it hits something.  A laser beam passing through air cannot be seen unless it hits grains of dust floating in the air.  Air itself is transparent to 'visible' light (the colours the human eye can see).  That's why these colours penetrate the atmosphere and reach our built-in optical detectors (eyes). e.g. This image - there is no 'characteristic' green line between the emitter and the detector (the screen) because there is not enough reflective material in between them to scatter the beam. Tied to this - in the vacuum of space th... [More]
Comment icon #23 Posted by Bendy Demon 5 years ago
Actually, I thought it was pretty cool..once you fast-forward past the adverts, that is. However I do think something like a light saber could be possible once our technology and understanding of radiation spectrums is understood better. In short someday you won't need a huge cable, or transformer (no, not the robots)  that gives out mega joules of electricity to have such a device.

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