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Sharing the Art and Science of Lithography

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xprmntl
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Re: Polymer?
xprmntl   7/6/2017 11:09:34 AM
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Yep, borax crosslinked "slime"recipes are generally based on polyvinly acetetate (in white glue) or polyvinyl alcohol. Your article needs an edit.

misanchez
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Re: Polymer?
misanchez   7/5/2017 7:31:29 PM
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Borax is not a polymer, you are correct. It's the crosslinker that connects the polymer strands together causing a network. The polymer solution goes from being fluid-like to a viscous gel.

xprmntl
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Polymer?
xprmntl   7/5/2017 11:34:45 AM
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Uh, Borax is is not a polymer.   It's a salt.

Kevin Neilson
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Re: Analogies
Kevin Neilson   7/3/2017 2:31:35 PM
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I had the same experience with a young artist who was describing to me the lithographic process she used to etch art onto stones.  I told her it was the same process used for chips.  I don't think she found that very interesting at all.

misanchez
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Re: Analogies
misanchez   7/3/2017 2:17:08 PM
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I get a kick out of seeing similarities too. I was working on patterned media, little isolated pillars for magnetic storage that is on the nanometer size scale. Only to walk into a fast food restaurant and notice that the floor mat was a macroscopic version. Or talking to a high school girl who said she didn't know anything about chemistry and wanted to be a cosmetologist and then being surprised when I told her that chemistry was involve in both hair dying and permanents.

misanchez
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Re: ...
misanchez   7/3/2017 1:09:20 PM
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I will have to learn more about AR, but I definitely support alternative ways of teaching. We all learn in such different ways and I think  a variety of teaching methods is valuble. An app is something to consider.

perl_geek
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Analogies
perl_geek   7/3/2017 12:16:05 PM
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I once saw a demonstration of artisan skills by craftspeople from Hermes, the French luxury-goods house. (Exquisite stuff I couldn't even contemplate owning.)

The lady dyeing scarves explained how she created the richly coloured images by applying successive layers of resists and dyes in careful registry. She seemed more than a little surprised when I explained that what she was doing was essentially the process for creating chips, (albeit several orders of magnitude away in scale).

It's surprising how things are connected.

realjjj
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...
realjjj   6/30/2017 3:50:47 PM
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Have you thought about an AR chemistry app? You can make a few billions with it too but the social upside of being able to experiment without the costs and risks is awesome. I see it as one of the most important applications for AR in education.

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