Narrator: "We give away some of our glass pieces to our more enthusiastic crowds." Dude in Back: "WOOOOOO!!!" Narrator, laughing. "That guy got it. XD"
That glass looks so nice. I wish I can have those glass at home I love the look of the glass. Plus that women talking about food making me hungery for food lol
Firstly, thank you for posting. Could you have a split screen when you post this type of video? That way we can see the artist and the commentator simultaneously. For someone like me that knows nothing about glass blowing I appreciate the commentary.
Great video! I like to see the museum's gaffers work. In reference to what the narrator said about heat sleeves for the right arm and not usually for the left: The thought occurred to me that while watching many, many of these videos I have never seen a left handed worker using the bench. Is there a story behind this?
There isn't a story unfortunately. There are a few left handed glassblowers, but not many. This is mostly because people learn right handed, and the equipment available to them is built for right handed glassblowing, and as you can guess, they adapt to doing it that way. Most equipment is not reversible, and the cost of having both can seem unnecessary when so few people are left handed to start.
Cameras need to work on switching to views of the examples of glass that she is pointing out and talking about. Thanks for the videos all the same though!
Like Kehena or Oneuli in Hawaii. I doubt it. Sand is only one part of the recipe for glass. There's no telling what the glass would look like after mixing in the other chemicals needed to make glass, then cooking it at over 2000 degrees F. Weird chemistry happens at temperatures that high. Think of white flour dough and what happens to it when you bake it. Boy does it change. Even if the raw glass came out black, there's no guarantee that it could be "worked" (formed). It might not be stable once it cooled off, and would fall apart or shatter. I'm sure it wouldn't be compatible with other commercially available glass colors or with the clear glass that most artists use.
From Glen Cook, Chief Scientist at The Corning Museum of Glass: A very interesting question! The causes of color in glass are actually pretty complicated. They aren’t created in the same way that, say, colored paint is made, with a finely ground-up colored pigment added to a paintable plastic. Or like adding drops of food coloring to frosting. So adding something black to glass doesn’t necessarily make black glass. Cobalt oxide, iron oxide, manganese oxide, and copper oxide are all black powders, but added into molten glass they make the glass blue, green, purple, and teal, respectively! It’s also important to know that when we say that glass is made out of “sand” it rarely means what most people think of sand: that mixture of fine bits of rocks and shells at the beach. To glass workers, “sand” is a very specific, pure mineral - quartz, or silicon dioxide - that is most often mined from the ground, not scooped up from the surface somewhere. The black sand on beaches of Hawaii, for example, are that color because they are made up mostly of fine bits of the volcanic rock that the islands are made from. While those rocks contain some quartz, there are lots of other things in them that might not make for good glass (not everything makes glass if melted - it takes a very specific recipe). And those rocks are black because they contain a mixture things like iron, cobalt, and manganese oxides. But kind of like when you scribble lots of crayon colors over each other you make something that looks black or muddy, putting all those elements together in rocks makes dark rocks. So, if you added some of that black sand to a proper clear glass recipe (and not so much that you messed up the glass-forming recipe) you’d probably make glass that was a muddy shade of green or brown.
Thanks for watching! Guest Artist demonstrations are public demonstrations at the museum which do all include step-by-step narration on what's happening in the demo. If you're interested in watching demos with less narration, check out the Live Studio Demos ua-cam.com/play/PL0E9063C833CBBC08.html
I can't stop watching these, please never stop uploading them
Thanks for watching!
wow...a stunning piece of work by an expert....love it....
love the design. reminds me of using a Spirograph as a kid. i am a big fan of designs like that.
I could listen to this voice all day long
My favorite demo so far
Lovely to see someone other than Bill G. making some reticello. Nice design!
Thanks for watching!
Narrator: "We give away some of our glass pieces to our more enthusiastic crowds."
Dude in Back: "WOOOOOO!!!"
Narrator, laughing. "That guy got it. XD"
Glad I watched this one, I've always been curious about how exactly the furnace camera worked.
Beautiful!!!
That glass looks so nice. I wish I can have those glass at home I love the look of the glass.
Plus that women talking about food making me hungery for food lol
Firstly, thank you for posting. Could you have a split screen when you post this type of video? That way we can see the artist and the commentator simultaneously. For someone like me that knows nothing about glass blowing I appreciate the commentary.
These are fun to watch but none of the videos show the finished piece
Amazing.
Great video! I like to see the museum's gaffers work.
In reference to what the narrator said about heat sleeves for the right
arm and not usually for the left: The thought occurred to me that while
watching many, many of these videos I have never seen a left handed
worker using the bench. Is there a story behind this?
There isn't a story unfortunately. There are a few left handed glassblowers, but not many. This is mostly because people learn right handed, and the equipment available to them is built for right handed glassblowing, and as you can guess, they adapt to doing it that way. Most equipment is not reversible, and the cost of having both can seem unnecessary when so few people are left handed to start.
Paul Meir I actually thought the same thing during this video.
Glad you asked and got an answer.
Cameras need to work on switching to views of the examples of glass that she is pointing out and talking about. Thanks for the videos all the same though!
Lord of the telephones that ring a lot
Superb
"Plug your ear balls"
Obsidium?
Would black sand, such as is found on some volcanic beaches, make black glass?
Like Kehena or Oneuli in Hawaii. I doubt it. Sand is only one part of the recipe for glass. There's no telling what the glass would look like after mixing in the other chemicals needed to make glass, then cooking it at over 2000 degrees F. Weird chemistry happens at temperatures that high. Think of white flour dough and what happens to it when you bake it. Boy does it change.
Even if the raw glass came out black, there's no guarantee that it could be "worked" (formed). It might not be stable once it cooled off, and would fall apart or shatter. I'm sure it wouldn't be compatible with other commercially available glass colors or with the clear glass that most artists use.
+pm Thompson thanks for the info! What kinds of things do they add?
From Glen Cook, Chief Scientist at The Corning Museum of Glass:
A very interesting question!
The causes of color in glass are actually pretty complicated. They aren’t created in the same way that, say, colored paint is made, with a finely ground-up colored pigment added to a paintable plastic. Or like adding drops of food coloring to frosting. So adding something black to glass doesn’t necessarily make black glass. Cobalt oxide, iron oxide, manganese oxide, and copper oxide are all black powders, but added into molten glass they make the glass blue, green, purple, and teal, respectively!
It’s also important to know that when we say that glass is made out of “sand” it rarely means what most people think of sand: that mixture of fine bits of rocks and shells at the beach. To glass workers, “sand” is a very specific, pure mineral - quartz, or silicon dioxide - that is most often mined from the ground, not scooped up from the surface somewhere.
The black sand on beaches of Hawaii, for example, are that color because they are made up mostly of fine bits of the volcanic rock that the islands are made from. While those rocks contain some quartz, there are lots of other things in them that might not make for good glass (not everything makes glass if melted - it takes a very specific recipe). And those rocks are black because they contain a mixture things like iron, cobalt, and manganese oxides. But kind of like when you scribble lots of crayon colors over each other you make something that looks black or muddy, putting all those elements together in rocks makes dark rocks. So, if you added some of that black sand to a proper clear glass recipe (and not so much that you messed up the glass-forming recipe) you’d probably make glass that was a muddy shade of green or brown.
Good work, ;)
But is it realy necessary to talk nonstop?
Thanks for watching! Guest Artist demonstrations are public demonstrations at the museum which do all include step-by-step narration on what's happening in the demo. If you're interested in watching demos with less narration, check out the Live Studio Demos ua-cam.com/play/PL0E9063C833CBBC08.html
Hello corning glass as someone who lives in England GAFFER is not Grandfather. it's a term for an old man ok
Specifically for Samwise Gamgee's old man ;-)
For those who don't know the reference, it's from Lord of the Rings.
It's obsidiAN, not obsidiUM. :)
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