[Blindmath] Economical tactile graphics - Microcapsule orSwellPaper in a microwave oven?

[Debbie Willis]

No publication yet!

-----Original Message-----
From: blindmath-bounces at nfbnet.org [mailto:blindmath-bounces at nfbnet.org] On Behalf Of Christine Szostak
Sent: Friday, August 12, 2011 5:06 PM
To: Blind Math list for those interested in mathematics
Subject: Re: [Blindmath] Economical tactile graphics - Microcapsule orSwellPaper in a microwave oven?

So we need to reject the alternative hypothesis, darn no publication!

  Have a wonderful weekend everyone and again thank you all for the very 
useful discussion on the teaching question I recently posed.
Many thanks,
Christine


----- Original Message ----- 
From: "Debbie Willis" <dwillis at aph.org>
To: "Blind Math list for those interested in mathematics" 
<blindmath at nfbnet.org>
Sent: Friday, August 12, 2011 4:58 PM
Subject: Re: [Blindmath] Economical tactile graphics - Microcapsule or 
SwellPaper in a microwave oven?


>I did not think it would work, but it's good to test the hypothesis and get 
>confirmation on a "no go."
> Thanks for sharing,
> Debbie
>
> -----Original Message-----
> From: blindmath-bounces at nfbnet.org [mailto:blindmath-bounces at nfbnet.org] 
> On Behalf Of Jaquiss, Robert
> Sent: Friday, August 12, 2011 4:56 PM
> To: Blind Math list for those interested in mathematics
> Subject: Re: [Blindmath] Economical tactile graphics - Microcapsule or 
> SwellPaper in a microwave oven?
>
> Hello:
>
>     I have just heard from a teacher who tried microwaving capsule paper. 
> I cooked the whole sheet, so it does not work.
>
> Regards,
>
> Robert
>
>
> Robert Jaquiss
> National Federation of the Blind
> 200 East Wells Street at Jernigan Place
> Baltimore, Maryland 21230
> Phone: 410-659-9314, ext. 2422
>
> -----Original Message-----
> From: blindmath-bounces at nfbnet.org [mailto:blindmath-bounces at nfbnet.org] 
> On Behalf Of Richard Baldwin
> Sent: Wednesday, August 10, 2011 11:03 AM
> To: BlindMath Mailing List
> Subject: [Blindmath] Economical tactile graphics - Microcapsule or Swell 
> Paper in a microwave oven?
>
> I keep thinking that one of the big needs in teaching STEM courses to 
> blind
> students is the need to quickly, easily, and economically create tactile
> graphics from printed graphs and images.
>
> I have read about using Microcapsule or Swell Paper, which seems like a
> reasonable approach except that the heating devices are relatively 
> expensive
> (more than the cost of an HP laptop) and not portable.
>
> Every teacher's lounge in K-12 and every student lounge in college has a
> microwave oven. Many faculty members have a microwave oven in their 
> office.
> Has anyone tried heating a printed piece of swell paper in a microwave 
> oven
> to see how it reacts?  If it doesn't react well by itself, would it help 
> to
> sandwich it between two pieces of the silver crisping cardboard that comes
> with frozen pizza? Or how about sandwiching it between two of the 
> gel-filled
> pads that are designed to be heated in a microwave oven and then applied 
> to
> sore joints? That would tend to provide a more uniform heat to the surface
> of the paper. I have been unable to find any specifications regarding the
> temperature requirements for causing the microcapsules to swell.
>
> What can we do to dramatically improve the availability of custom-made
> tactile graphics?
>
> Is there a group or list that concentrates on such issues.  I found a list
> named Adapted Graphics for the blind and visually impaired (Adapted
> Graphics) but I was unable to navigate the interface to get registered, 
> and
> in any event, there didn't appear to be any recent posts in the archives?
>
> Dick Baldwin
>
> -- 
> Richard G. Baldwin (Dick Baldwin)
> Home of Baldwin's on-line Java Tutorials
> http://www.DickBaldwin.com
>
> Professor of Computer Information Technology
> Austin Community College
> (512) 223-4758
> mailto:Baldwin at DickBaldwin.com
> http://www.austincc.edu/baldwin/
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