Busting Glass | National Geographic

earlier I asked which of these tools

earlier I asked which of these tools will be able to smash the bulbous end of

will be able to smash the bulbous end of

will be able to smash the bulbous end of this teardrop shaped piece of glass

this teardrop shaped piece of glass

this teardrop shaped piece of glass known better as a Prince Rupert’s drop

known better as a Prince Rupert’s drop

known better as a Prince Rupert’s drop will it be the metal pick a wooden stick

will it be the metal pick a wooden stick

will it be the metal pick a wooden stick a hammer or none of the above he wants

a hammer or none of the above he wants

a hammer or none of the above he wants to go first I’ll go first

to go first I’ll go first

to go first I’ll go first I go to the wood first right you’ve got

I go to the wood first right you’ve got

I go to the wood first right you’ve got one strike at this right so we’re

one strike at this right so we’re

one strike at this right so we’re looking to hit it here on the bulbous

looking to hit it here on the bulbous

looking to hit it here on the bulbous end your own time one strike oh right

end your own time one strike oh right

end your own time one strike oh right you fail right who’s next doesn’t get ya

you fail right who’s next doesn’t get ya

you fail right who’s next doesn’t get ya here I go next one strike okay all right

here I go next one strike okay all right

here I go next one strike okay all right come on then MC have a let’s end this

come on then MC have a let’s end this

come on then MC have a let’s end this who’s doing it all right it’s over now

who’s doing it all right it’s over now

who’s doing it all right it’s over now it’s hammer time I could drop it on its

it’s hammer time I could drop it on its

it’s hammer time I could drop it on its gonna bring it okay here we go I’m gonna

gonna bring it okay here we go I’m gonna

gonna bring it okay here we go I’m gonna stand back on this right that’s good

stand back on this right that’s good

stand back on this right that’s good it’s weird yeah you can see with a

it’s weird yeah you can see with a

it’s weird yeah you can see with a hammer hits it with a weird metal spike

hammer hits it with a weird metal spike

hammer hits it with a weird metal spike and hit it with your own Rowling’s

and hit it with your own Rowling’s

and hit it with your own Rowling’s indestructible shaper work so it seems

indestructible shaper work so it seems

indestructible shaper work so it seems our fragile looking glass bulb is a lot

our fragile looking glass bulb is a lot

our fragile looking glass bulb is a lot tougher than meets the eye

tougher than meets the eye

tougher than meets the eye but there is one method of destruction

but there is one method of destruction

but there is one method of destruction that no one is thought of let’s come

that no one is thought of let’s come

that no one is thought of let’s come here right all I want you to do is to

here right all I want you to do is to

here right all I want you to do is to snap the tail off that thing about there

snap the tail off that thing about there

snap the tail off that thing about there whoa I thought you wanted me to break

whoa I thought you wanted me to break

whoa I thought you wanted me to break the big egg the ball the Sun yeah I do

the big egg the ball the Sun yeah I do

the big egg the ball the Sun yeah I do doesn’t make any sense yeah yeah well

doesn’t make any sense yeah yeah well

doesn’t make any sense yeah yeah well just try and see what happens it’s try

just try and see what happens it’s try

just try and see what happens it’s try and give it a little break there see if

and give it a little break there see if

and give it a little break there see if anything happens right here yeah oh wow

anything happens right here yeah oh wow

anything happens right here yeah oh wow the hole was that cool was that cool

so the answer was in fact none of the

so the answer was in fact none of the above the human hands actually being the

above the human hands actually being the

above the human hands actually being the most lethal weapon in the room it’s like

most lethal weapon in the room it’s like

most lethal weapon in the room it’s like powder right yeah it is look at it it’s

powder right yeah it is look at it it’s

powder right yeah it is look at it it’s the smallest pieces of glass that is the

the smallest pieces of glass that is the

the smallest pieces of glass that is the magic of Prince Rupert’s drop the soma

magic of Prince Rupert’s drop the soma

magic of Prince Rupert’s drop the soma stored energy inside that it’s

stored energy inside that it’s

stored energy inside that it’s incredible glass when you heat it up

incredible glass when you heat it up

incredible glass when you heat it up which is a very poor conductor of heat

which is a very poor conductor of heat

which is a very poor conductor of heat gets bigger but when I cooled it down

gets bigger but when I cooled it down

gets bigger but when I cooled it down quickly in the water the outside of the

quickly in the water the outside of the

quickly in the water the outside of the glass contracted and solidified quicker

glass contracted and solidified quicker

glass contracted and solidified quicker than the glass on the inside this

than the glass on the inside this

than the glass on the inside this created a state of stress stored

created a state of stress stored

created a state of stress stored potential energy within the droplet so

potential energy within the droplet so

potential energy within the droplet so whilst the head would withstand the

whilst the head would withstand the

whilst the head would withstand the impact the slightest fracture to the

impact the slightest fracture to the

impact the slightest fracture to the fragile tail releases this potential

fragile tail releases this potential

fragile tail releases this potential energy in the form of a shock wave which

energy in the form of a shock wave which

energy in the form of a shock wave which causes the droplet to shatter isn’t that

causes the droplet to shatter isn’t that

causes the droplet to shatter isn’t that amazing

amazing

amazing that’s pretty cool you understand it

that’s pretty cool you understand it

that’s pretty cool you understand it makes sense right good stuff only one

makes sense right good stuff only one

makes sense right good stuff only one thing left to do then your job four

thing left to do then your job four

thing left to do then your job four brooms over there tidying up thank you

brooms over there tidying up thank you

brooms over there tidying up thank you very much