hey guys I’m Nate welcome back to the
outside of the workshop we’ve got
another random experiment today we’re
trying and this one is brought to us by
youtuber elite fusion Z who asks what
does liquid nitrogen do inside of the
backyard foundry Elite fusion Z we think
this is a great idea
[Music]
well let’s let the furnace heat up for a
few minutes and then let’s open it up
and once it’s really good and hot we’ll
pour in some liquid nitrogen and see
what happens
our furnace is getting nice and hot I
have a thermos full of liquid nitrogen
and this metal cup that I’m going to use
as sort of an intermediary I’m gonna try
a few different things first I’m just
gonna pour some liquid nitrogen from the
cup down into the foundry and then I’m
gonna see what happens if I pour our
liquid nitrogen into the cup and then
carefully lower the whole cup full of
liquid nitrogen down into the foundry as
well let’s see the difference quick note
I want to apologize for any background
noise there’s some construction going on
and you might be hearing some of the
sounds from that alright a cup of
boiling roiling liquid nitrogen well
here goes nothing I think it’s just
gonna make a lot of vapor but I admit I
don’t know for sure
three two one
huh check this out
so that bottom just turned black and I
think that’s just because it cooled it
down so much that it lost all its glow
let’s just pour a little bit more on and
see if the same thing happens so it just
dissipates but it definitely cooled that
down enough that it lost its orange glow
for a second it doesn’t take a ton
either so it definitely did something it
cooled down the board that’s at the
bottom of our furnace but overall it
wasn’t very eventful it just splashes in
it dissipates very quickly but it’s so
hot that you don’t even see any of the
vapors that you normally see rising off
of liquid nitrogen let’s see what
happens if we just put our whole cup
full of liquid nitrogen down inside the
furnace all right I’m gonna have to be
pretty quick about this because
otherwise it’s gonna start burning my
hand but there we go three two one
that is some very actively boiling like
no it’s still cooling it down on the
bottom
he’s just the nitrogen vapors and you
can’t see nearly as much flame so I
think the nitrogen vapor is filling up
the furnace a little bit and it’s really
subdue it mostly is just boiling away
nitrogen is running pretty low that cup
has some very very hot parts and some
very very cold parts on it that’s
interesting because you know the bottom
of that cup is still freezing cold even
though the edges of the cup are now
glowing orange I think it’s a steel cup
so it should be fine but hmm it’s a
pretty thin walled steel I’m amazed that
any liquid nitrogen is still in there
that’s very impressive to me that it’s
lasted this long looks like we’re just
about out and gone oh and that is one
hot cup and I’m just gonna splash some
liquid nitrogen on it and see what
happens
well
I guess from the point of view of liquid
nitrogen this cup has always been super
hot I don’t know it’s several hundred
degrees hotter right now though no even
the bottom of the cup is burning hot
once again not terribly remarkable the
liquid nitrogen in the cup in the
furnace it boiled faster than normal and
it did darken a little bit the bottom of
this furnace so it was clearly doing
something there weren’t as many flames
as visible but overall not a huge effect
from liquid nitrogen in the furnace
there’s a couple other variations I want
to try first let’s see what happens if
we have a cup of water in the furnace
and we pour some liquid nitrogen down
into that cup all right this is a cup of
regular tap water so that our furnace we
get a little bit of that same darkening
effect just not nearly as much as with
the liquid nitrogen now we’ll have to
see how accurately I can pour using
tongs and a metal cup from about a foot
up we’ll try and pour this liquid
nitrogen down into that cup of water
liquid nitrogen pouring into water three
two one
well it certainly did something there’s
still just a little bit of it on the
surface of the water that water at least
part of it is boiling hot already that
is the fastest I’ve ever boiled water
right there it’s pretty nuts let’s try
it again
that does look pretty cool I think the
biggest effect is that it splashed a lot
of the water out of the cup and that
landed on the inside of the furnace well
there you have it liquid nitrogen into
the furnace not super exciting liquid
nitrogen in a cup in the furnace also
not super exciting liquid nitrogen into
water in the furnace more exciting the
water heated up very quickly and so I
was pouring liquid nitrogen into boiling
water surrounded by a ton of heat we did
get a big plume of vapor coming off
because of that but it still wasn’t
anything that was really amazing so I
think we need to scale this up to
something a little bit more volatile
we’ve tried freezing gasoline in liquid
nitrogen before so now let’s take a cup
of liquid nitrogen pour some gasoline
into it till it freezes solid and then
lower the whole thing liquid nitrogen
and frozen gasoline down into our
foundry see what that does
I’m just gonna pour it from this cup
into the liquid nitrogen
very thick white vapor comes off of that
want a fair amount of frozen gasoline in
there this is gonna be a little bit of a
set and run because the frozen gasoline
does tend to be pretty volatile so we’ll
see how this goes the liquid nitrogen is
still covering the frozen gasoline so we
might have to wait for a little bit of
it to boil off before the gasoline
ignites here we go
well there’s little specs igniting in
the air above the vapor of the liquid
nitrogen this little kind of looks like
fireflies or fairy lights or something
oh there we go
hey now we have sort of a fire tornado
and a furnace
I think at this point it’s just burning
a cup full of gasoline which is fun
there’s still some boiling going on on
the surface I don’t know if any of
that’s liquid nitrogen or if that’s just
pure gasoline in the cup at this point
that’s a lot of thick black smoke I’m
gonna try putting the lid back on what
didn’t help it at all fill the propane
it’s still gonna keep burning coz
there’s you know a cup of gasoline in
there but yeah still just boiling in
there it’s now out there is our cup that
was full of liquid nitrogen and gasoline
and now it’s full of nothing well there
you have it liquid nitrogen in a furnace
not terribly reactive until you add
gasoline of course and then it goes
about as you expect it’s kind of just
like lighting a cup of gasoline on fire
and a furnace which is pretty fun I will
push shouldn’t have to say this but
don’t try this at home
partly because it’s unsafe to burn cups
low gasoline but more so because it’s
really kind of a waste of liquid
nitrogen there are a lot of more
entertaining things that can be done
with liquid nitrogen rather than pouring
them into a furnace Elite fusion Z thank
you for your suggestion check your
youtube inbox we’ll be sending you 25
bucks if you’ve got a great idea for an
experiment let us know down in the
comments and if we use your idea for a
video we’ll send you $25 thanks for
joining us for this experiment today and
remember to come gear yourself up with
products and merch at the king of random
calm see you there this K wool was so
nice and white when I started this
experiment look at that so there was now
it’s all black hey guys thank you for
your comments so many of you have really
interesting suggestions for projects and
experiments and we love testing those
out for you I also wanted to say thank
you for the great feedback you’re
leaving for me and my team because we’re
all in this together
so thank you for being on our team
outside of the workshop we’ve got
another random experiment today we’re
trying and this one is brought to us by
youtuber elite fusion Z who asks what
does liquid nitrogen do inside of the
backyard foundry Elite fusion Z we think
this is a great idea
[Music]
well let’s let the furnace heat up for a
few minutes and then let’s open it up
and once it’s really good and hot we’ll
pour in some liquid nitrogen and see
what happens
our furnace is getting nice and hot I
have a thermos full of liquid nitrogen
and this metal cup that I’m going to use
as sort of an intermediary I’m gonna try
a few different things first I’m just
gonna pour some liquid nitrogen from the
cup down into the foundry and then I’m
gonna see what happens if I pour our
liquid nitrogen into the cup and then
carefully lower the whole cup full of
liquid nitrogen down into the foundry as
well let’s see the difference quick note
I want to apologize for any background
noise there’s some construction going on
and you might be hearing some of the
sounds from that alright a cup of
boiling roiling liquid nitrogen well
here goes nothing I think it’s just
gonna make a lot of vapor but I admit I
don’t know for sure
three two one
huh check this out
so that bottom just turned black and I
think that’s just because it cooled it
down so much that it lost all its glow
let’s just pour a little bit more on and
see if the same thing happens so it just
dissipates but it definitely cooled that
down enough that it lost its orange glow
for a second it doesn’t take a ton
either so it definitely did something it
cooled down the board that’s at the
bottom of our furnace but overall it
wasn’t very eventful it just splashes in
it dissipates very quickly but it’s so
hot that you don’t even see any of the
vapors that you normally see rising off
of liquid nitrogen let’s see what
happens if we just put our whole cup
full of liquid nitrogen down inside the
furnace all right I’m gonna have to be
pretty quick about this because
otherwise it’s gonna start burning my
hand but there we go three two one
that is some very actively boiling like
no it’s still cooling it down on the
bottom
he’s just the nitrogen vapors and you
can’t see nearly as much flame so I
think the nitrogen vapor is filling up
the furnace a little bit and it’s really
subdue it mostly is just boiling away
nitrogen is running pretty low that cup
has some very very hot parts and some
very very cold parts on it that’s
interesting because you know the bottom
of that cup is still freezing cold even
though the edges of the cup are now
glowing orange I think it’s a steel cup
so it should be fine but hmm it’s a
pretty thin walled steel I’m amazed that
any liquid nitrogen is still in there
that’s very impressive to me that it’s
lasted this long looks like we’re just
about out and gone oh and that is one
hot cup and I’m just gonna splash some
liquid nitrogen on it and see what
happens
well
I guess from the point of view of liquid
nitrogen this cup has always been super
hot I don’t know it’s several hundred
degrees hotter right now though no even
the bottom of the cup is burning hot
once again not terribly remarkable the
liquid nitrogen in the cup in the
furnace it boiled faster than normal and
it did darken a little bit the bottom of
this furnace so it was clearly doing
something there weren’t as many flames
as visible but overall not a huge effect
from liquid nitrogen in the furnace
there’s a couple other variations I want
to try first let’s see what happens if
we have a cup of water in the furnace
and we pour some liquid nitrogen down
into that cup all right this is a cup of
regular tap water so that our furnace we
get a little bit of that same darkening
effect just not nearly as much as with
the liquid nitrogen now we’ll have to
see how accurately I can pour using
tongs and a metal cup from about a foot
up we’ll try and pour this liquid
nitrogen down into that cup of water
liquid nitrogen pouring into water three
two one
well it certainly did something there’s
still just a little bit of it on the
surface of the water that water at least
part of it is boiling hot already that
is the fastest I’ve ever boiled water
right there it’s pretty nuts let’s try
it again
that does look pretty cool I think the
biggest effect is that it splashed a lot
of the water out of the cup and that
landed on the inside of the furnace well
there you have it liquid nitrogen into
the furnace not super exciting liquid
nitrogen in a cup in the furnace also
not super exciting liquid nitrogen into
water in the furnace more exciting the
water heated up very quickly and so I
was pouring liquid nitrogen into boiling
water surrounded by a ton of heat we did
get a big plume of vapor coming off
because of that but it still wasn’t
anything that was really amazing so I
think we need to scale this up to
something a little bit more volatile
we’ve tried freezing gasoline in liquid
nitrogen before so now let’s take a cup
of liquid nitrogen pour some gasoline
into it till it freezes solid and then
lower the whole thing liquid nitrogen
and frozen gasoline down into our
foundry see what that does
I’m just gonna pour it from this cup
into the liquid nitrogen
very thick white vapor comes off of that
want a fair amount of frozen gasoline in
there this is gonna be a little bit of a
set and run because the frozen gasoline
does tend to be pretty volatile so we’ll
see how this goes the liquid nitrogen is
still covering the frozen gasoline so we
might have to wait for a little bit of
it to boil off before the gasoline
ignites here we go
well there’s little specs igniting in
the air above the vapor of the liquid
nitrogen this little kind of looks like
fireflies or fairy lights or something
oh there we go
hey now we have sort of a fire tornado
and a furnace
I think at this point it’s just burning
a cup full of gasoline which is fun
there’s still some boiling going on on
the surface I don’t know if any of
that’s liquid nitrogen or if that’s just
pure gasoline in the cup at this point
that’s a lot of thick black smoke I’m
gonna try putting the lid back on what
didn’t help it at all fill the propane
it’s still gonna keep burning coz
there’s you know a cup of gasoline in
there but yeah still just boiling in
there it’s now out there is our cup that
was full of liquid nitrogen and gasoline
and now it’s full of nothing well there
you have it liquid nitrogen in a furnace
not terribly reactive until you add
gasoline of course and then it goes
about as you expect it’s kind of just
like lighting a cup of gasoline on fire
and a furnace which is pretty fun I will
push shouldn’t have to say this but
don’t try this at home
partly because it’s unsafe to burn cups
low gasoline but more so because it’s
really kind of a waste of liquid
nitrogen there are a lot of more
entertaining things that can be done
with liquid nitrogen rather than pouring
them into a furnace Elite fusion Z thank
you for your suggestion check your
youtube inbox we’ll be sending you 25
bucks if you’ve got a great idea for an
experiment let us know down in the
comments and if we use your idea for a
video we’ll send you $25 thanks for
joining us for this experiment today and
remember to come gear yourself up with
products and merch at the king of random
calm see you there this K wool was so
nice and white when I started this
experiment look at that so there was now
it’s all black hey guys thank you for
your comments so many of you have really
interesting suggestions for projects and
experiments and we love testing those
out for you I also wanted to say thank
you for the great feedback you’re
leaving for me and my team because we’re
all in this together
so thank you for being on our team
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