hello there
we've just made the world's first
retractable plasma-based lightsaber
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oh my god that looks incredible
i think you've outdone yourself on this
one bogdan look at the detail in that
if that's not steampunk i don't know
what is but the real question is
how are we gonna power this in this case
lpg
compressed liquid propane gas we're
talking about normal propane that used
in your barbecue
this nozzle right here costs over four
thousand dollars and it's used in the
glassblowing industry
to achieve maximum temperature we need
complete combustion which means in
addition to this propane we're actually
going to be using
oxygen as well that doesn't sound
dangerous right
anyways let's see how it works first
turn on the propane
then we turn on the oxygen some safety
glasses
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and the sparker
so look at that
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is that not a lightsaber this beam is
really cool
it's actually burning at around 4 000
fahrenheit
which means is capable of cutting
through a lot of stuff
should we cut through some stuff
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so this is actually our old lightsaber
blade made of titanium
and look at that it's already white hot
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that is so bright jesus
the really cool thing about doing a
flame like this is we can actually color
it
using salts let's start with some boric
acid what color do you think it's going
to turn the blade
got your guesses
look at that next up we have calcium
chloride
look at that red orange that almost
hurts to look at we have some strontium
chloride
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that is like a road flare this actually
hurts to look at look at that
finally we have some sodium chloride
also known as salt
and look at that we've got rey's
lightsaber right here
is that not cool so we're able to
produce a blue lightsaber a green
lightsaber a red lightsaber an amber
lightsaber and even a yellow lightsaber
how awesome is that i should probably
turn this off though
took a lot of fine tuning to get the
blade to the right length
and turning it off wasn't the most
elegant luckily
bogdan's gonna be actually making a
circuit with two fancy valves
which means we'll actually be able to
get a computer to control the flow of
gas
to allow for this to ignite and retract
with the press of a button
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so
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we did it the world's first retractable
plasma based lightsaber
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