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Smashing Glass Vacuum Chambers


hey what’s up guys welcome back I
brought you out to the Arizona desert
again it’s a little bit cold and windy
today but that’s okay because we are
here for the view now we found a
location where apparently it’s okay to
break glass and that’s a good thing
because I have a potentially
deconstructive experiment that I don’t
want to try with this glass vacuum
chamber I got the idea of using a glass
cookie jar for my cousin Kai Moser but
there was a concern that they could
implode violently so the purpose of this
experiment is to push the boundaries and
get them to go off so we can see that
when they do implode how violent and how
far-reaching is that shrapnel going to
be so let me show you the set up we’ve
got rigged out here today
the idea is to assemble the vacuum
chamber and pull 25 inches of mercury to
create the strongest vacuum that we can
get with this system then I’m going to
shut off the valve to keep the vacuum
pressure turn off the pump and use a
hammer to gently tap the side so we can
test just how much force it’ll take to
get the side walls to crack and make the
whole system implode now normally if you
were to put something into a container
and make it explode it’ll shoot shards
in every different direction now this is
a little bit different because we’re
sucking all the air out of the jar and
it’s creating a vacuum pressure sucking
everything inside if the structural
integrity of the jar fails everything
should pull in and smash in the middle
I’ve also got a face shield extra layers
of clothing and some really thick gloves
because even if it does smash inward I
do expect shards of glass will spray in
every different direction so let’s suck
out the air grab a hammer and see how
everything turns out what does a GoPro
do in a vacuum chamber we’re going to
find that out – all right guys it’s
action time and truthfully I’m a little
bit nervous because I’m not sure what to
expect so we’re just gonna have to jump
in to find out that gage resin they see
the gauge is rising right now we’re
pulling about we’re coming up on 20
inches of mercury 25 inches of mercury
is the highest we can go with this
vacuum pump that’s the strongest vacuum
we can get this one’s designed to suck
out air conditioning units so it’s
actually a very strong vacuum once it
hits 25 inches of mercury I’m going to
turn off the valve so it maintains
vacuum pressure in the jar then I’m
going to turn off the vacuum pump so it
stops making noise and we can get the
full effect of the implosion all right
it looks like it’s time
I’m not really sure how close I should
be to this thing so I’m just going to
kind of attack it from a distance and
start off with some gentle taps and then
see exactly what it’ll take to crack it
and make it go off there’s a gentle tap
let’s try that again okay it’s actually
holding up pretty well I’m gonna tap it
a little bit harder a little bit harder
a little bit harder I think I actually
chipped the glass on that one it’s still
holding up I’m gonna hit it even harder
winding up there it goes and there’s
like a mist of glass dust that shoots
out of the top and just blows with the
wind even if I wasn’t wearing any
protective clothing I think I still
would’ve been okay because any glass
that would have come at me would be so
low energy it would just bounce off it’s
not much difficulty but it’s always a
good idea to be wearing safety equipment
though check this out guys check this
out my proto puddy looks like it’s
stayed intact you can just pop that off
and reuse it on another jar so looking
at the damage down here guys you can see
the bottom of the jar is completely
annihilated there’s chunks of it over
here chunks it over there and about a
billion pieces of it over here but I am
pretty encouraged because most of it
stayed in one spot there weren’t any
jagged pieces that shot out and that’s
what I was worried about I might have to
make a new one of these lids now because
I ruined the finish that’s too bad I
think it still took just as much effort
to crack the sidewall as it would if it
was at standard atmospheric pressure if
you went to the hardware store and got
one of those one foot concrete pavers
and tried to smash that with a hammer I
think would take about the same amount
of force to crack that in half as I
wouldn’t break this jar that’s just
based on feeling that’s not scientific
this is my opinion that was the large
jar how will the small jar do will be
able to withstand more force because
it’s smaller let’s go find out I can’t
tell this thing is actually working
right now the LCD screen is completely
shot but the red lights flashing so I’m
going to stick it in and see if we can
get another shot with a smaller vacuum
chamber
[Music]
already got the vacuum pump off let’s
smash it
alright I’m going to give this one a
pretty good whack here very nice very
nice so every time we have a rapid
decompression it seems like my GoPro
just shuts off the LCD screen has
imploded it’s gone completely dark and I
can’t see anything I’m just hoping that
we recovered some of that footage
because that would be cool to see you
look down here though you can see the
proto putty gasket is popped right off
and it’s still in really good condition
we could just pop that onto another jar
and reuse it again
the only difference is look really
closely here and you can see a very fine
mist of glass dust so when this thing
imploded it made a cloud of dust that
pops out the top and covers everything I
can’t tell if the ground was shaking or
if it was just a pressure wave but the
camera jumped there and almost look like
the dirt does suck up in the bottom
that’s really crazy
it just kind of rises and falls in the
same spot now since we got one more
small jar left let’s switch things up a
little bit so rather than smashing with
a hammer
let’s try lifting it up and drop it on a
rock instead alright we’re at 25 how
high do I have to drop it before this
thing will break let’s just start off
here at about 6 inches that was enough
to do it haha
maybe I should have started off at 6
inches that was more like a foot and it
just crumbles when it hits the rock it
just completely disappears you’ll see
that again there’s the drop and boom
that’s amazing yep no explosion it just
completely disintegrates and the lid
keeps falling at the same race that’s
very cool so why would you even use a
cookie jar for a vacuum chamber well for
me it’s just to be able to see inside
and look at the reactions going on you
could spend hundreds of dollars on big
professional glass bell jars that are
designed for that purpose but after
testing here today I personally been
pretty comfortable moving forward with
glass cookie jars from now on as long as
you’re not dinging him denting them
throwing rocks at them or hitting with
hammers they should hold up relatively
well but that doesn’t mean you shouldn’t
wear safety equipment it’s good to be
prepared so there you have a guy’s looks
like I’m not going home with any extra
holes in my body today so I think we can
call that a successful test it’s really
cool to see just what happens when a
glass vacuum chamber implodes and don’t
worry about this mess would be cleaning
up before we leave hey thanks for
joining me for this experiment I’ll be
looking for you the next one talk to you
then hey guys thanks for watching and
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