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Molten Salt vs Watermelon Explosion


hey guys I’m mate we are back at the
dome and once again we want to try and
experiment with molten salts we’re going
to try pouring it into a watermelon a
cantaloupe and then just a bottle of
[Applause]
[Music]
to be able to pour salt into our
watermelon I’ve got a one and a quarter
inch spade bit I’m gonna drill a hole
about half way in pour out the extra
juice and then we should have a nice
little channel that our salt can land in
to make it just a little bit easier to
aim the salt right down into the hole
I’m also going to use a little knife and
carve a sort of funnel shape into the
all right that should do a pretty good
job of directing our salt ray down into
the heart of our tiny little watermelon
now let’s try the same thing with the
of course a cantaloupe is a lot more
hollow on the inside already has a lot
of seeds in there but it’s not solid
pulp all the way through like a
watermelon
with our watermelon raised up right here
we should have the salt pour out nicely
down into the gap hopefully that’ll
really fill it up with salt and if we’re
lucky we’ll see an exploding watermelon
the salt is nice and molten so here’s
the plan I will turn off the furnace
I’ll take the crucible out put it into
the seal Cup and then I’ll back away a
safe distance pull the string and
hopefully all that salt will be poured
right down into our watermelon let’s
give it a shot
three two one exploded immediately
immediately oh wow great I think just
the second that the salt hit the water
moaning it was already breaking open and
see why it’s still that hot glowing
orange some toasty salt
well there’s half of our watermelon and
there’s the rest of our watermelon that
just tore itself wide open in no time at
all
turns out watermelons don’t get along
very well with molten salt
[Music]
all right our cantaloupe is ready now
we’re gonna do the same thing salt will
go into pouring device will secure it in
place we’ll pull the string and maybe
we’ll get an exploding cantaloupe 3 2 1
[Music]
not all of it but a lot of it then a
cantaloupe also has a whole lot more
empty space inside it and a watermelon
I mean it’s steaming clearly a lot of a
salt made in there see some of the salt
poured off I think it actually hit the
cantaloupe and spilled off the back onto
the wood here if we had some salt
running down the back of the cantaloupe
you definitely got salt inside it you
have to crack this thing open see what
it’s doing in there
it’s kinda cool he had just filled in
some the gaps there’s a neared formation
it’s pretty fun right there so we we did
get a good amount of salt that went
right into the cantaloupe just like we
wanted it to we didn’t explode and I
think that’s because the cantaloupe has
a lot more of a cavity in the watermelon
so when there was a little bit of
pressure built up in the watermelon it
had nowhere to go and so it just
exploded but the cantaloupe had enough
space in impact that it was able to just
let all of that suddenly forming steam
escape out the top I’ve never smelled
burning cantaloupe before well I’ve got
one experiment left and it’s not
technically pouring salt into a fruit
but it is pouring salt into some fruit
juice I’m just gonna cut the top off of
this container and see if I can get
molten salt fall down into the juice and
I’m hoping for like a a geyser of juice
or something like that
three two one oh it’s pretty great
super hot crucible and there’s our steel
cup with some still glowing orange
molten salt at the bottom of it alright
our juice container largely untouched
which is about what I thought mostly I
was just kind of hoping for a fountain
of juice to launch up but I think we got
that pretty well juice or salt whichever
one was launching up into the air it
worked pretty well I think the
watermelon definitely gave us the best
results as soon as that liquid salt hit
the inside of the watermelon that they
exploded open it looked pretty great
pour you into the cantaloupe we got a
lot of steam out of it but I think
because there was a hollow in the center
it didn’t have enough pressure to really
tear anything open we got some
interesting cast shapes out of our salt
that’s for sure and then pouring the
liquid salt into the juice didn’t really
give us any sort of rupturing effect but
we did get kind of a nice spray of salt
in the air it sounded like an explosion
and some of our juice definitely went
flying I think everything is covered in
juice right now I’m curious if it’s
salty juice yeah hey guys thanks for
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