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(Unititled)
Sand in Fire Lyrics


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Most interesting comment from YouTube:

wowiezowiepowie

at 4:20 you show a Prince Rupert Drop under polarized light
the "bubbles" are shown with dark lines around them.

My question for MIT is : Are those really bubbles or are they under vacuum?
basically you have a molten mass of glass that should be fined out (having no bubbles).
when dropped in water the PRD contracts as said from the center that remains
somewhat soft.

Many of the bubbles in PRD are weird shapes pointed and flatish ,no where are they roundish as most bubbles in glass or other fluids.
So picture this ;;the "bubbles" are formed like putting you hands together palm to palm
and then moving you knuckles away from each other making a hole between your palms.

Wouldn't this cause a vacuum and not create bubbles.?

You can also get "bubbles" to form by gathering up some glass ,, blocking the form
to make a round ball then blast one side with compressed air
as the glass rapidly cools you can watch the voids form and get larger as you apply
more air.

i speak from 35 years of glass batching and glass manufacturing experience.



All comments from YouTube:

Nathaniel

I came here expecting to see glass spawn from fire and sand. I'm not amused.

Pocky Chan

Nathaniel Pek Meng same

That One Doggo

I just spent 5 minutes of my life learning about glass.

Aaron Cooke

For reference, they don't thermally temper glass in smartphones, that would be a bad idea. It is chemically strengthened using ion-strengthening.

Not YourRegularPerson

"Thank you for teaching people what glass is made out of"!☺️☺️☺️

Darksnow

What about molten glass dropped in liquid nitrogen? That would be a tough one to break.

atranimecs

would literally explode in your face lol

llamapi3

+Igor K You're talking 0K being a complete lack of energy. Zero. That is almost impossible to do artificially. The mere act of observing ruins any chance of ever measuring it. Physics yo.

GraveUypo

+Luke Faez (Spaghetti Man) actually, it doesn't make much of a difference.

glass is already at temperatures of over 1100º celsius when being worked like that. Adding an extra ~210 degrees (from ambient to -186ºC) in delta temperature doesn't really do that much.

what would make more a difference would be to heat glass more, like to 2500 degrees.

TheProCactus

@*****
You are too late, He already got schooled.

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