[nfb-talk] sonar for blind

ckrugman at sbcglobal.net ckrugman at sbcglobal.net
Sat Aug 13 06:57:32 UTC 2011


In reviewing these emails late of course I am getting this horrible image of 
3000 blind people doing this at a NFB convention!
Chuck
----- Original Message ----- 
From: "Sherri" <flmom2006 at gmail.com>
To: "NFB Talk Mailing List" <nfb-talk at nfbnet.org>
Sent: Thursday, July 21, 2011 9:57 PM
Subject: Re: [nfb-talk] sonar for blind


> Okay, what's the typical life of a blind person? God forbid!!!!!
>
> Echolocation does work, but has to be done discreetly. People are really 
> enthralled with it because of the guy who rode his bike through a crowded 
> area by just clicking his tongue. I rose a bike as a totally blind child 
> and I put cards on the spokes. the clicking of the cars helped me a lot to 
> locate where I was and what was around me. Or sometimes I can snap my 
> fingers and tell what's where.
>
> Still want to know what the author meant by his last statement in the 
> article.
>
> Sherri
> ----- Original Message ----- 
> From: "T. Joseph Carter" <carter.tjoseph at gmail.com>
> To: "NFB Talk Mailing List" <nfb-talk at nfbnet.org>
> Sent: Friday, July 22, 2011 12:06 AM
> Subject: Re: [nfb-talk] sonar for blind
>
>
>> Chuck, that’s the real travesty right there—the notion that at age 12 you 
>> finally need to start learning how to walk on your own!  This is a pet 
>> peeve of mine (I have so many!) so I’ll stop before I get started. 
>> *grin*
>>
>> Joseph - KF7QZC
>>
>>
>> On Thu, Jul 21, 2011 at 05:19:19PM -0700, ckrugman at sbcglobal.net wrote:
>>>Actually, I remember doing similar things as a small child to go around 
>>>the house or the neighborhood berfore beginning mobility training at 
>>>about age 12. I have a small amount of vision where I can see objects and 
>>>shadows but no detail or color.
>>>Chuck
>>>----- Original Message ----- From: "Michael Bullis" 
>>><bullis.michael at gmail.com>
>>>To: "'NFB Talk Mailing List'" <nfb-talk at nfbnet.org>
>>>Sent: Tuesday, June 28, 2011 10:12 AM
>>>Subject: Re: [nfb-talk] sonar for blind
>>>
>>>
>>>>As I have indicated in other articles, I think we disparage this kind of
>>>>thing far too quickly.  It works very well for detecting objects at 
>>>>quite a
>>>>distance.  No, I don't want to click my way into a job interview, but, 
>>>>at
>>>>the same time, the skill is useful in its propper place.
>>>>Mike Bullis
>>>>Baltimore MD
>>>>
>>>>
>>>>-----Original Message-----
>>>>From: nfb-talk-bounces at nfbnet.org [mailto:nfb-talk-bounces at nfbnet.org] 
>>>>On
>>>>Behalf Of T. Joseph Carter
>>>>Sent: Tuesday, June 28, 2011 12:49 PM
>>>>To: NFB Talk Mailing List
>>>>Subject: Re: [nfb-talk] sonar for blind
>>>>
>>>>Why do parents encourage this kind of thing, really?  *sigh*
>>>>
>>>>Joseph
>>>>
>>>>On Tue, Jun 28, 2011 at 11:33:46AM -0400, Ed Meskys wrote:
>>>>>The Growing Success of Seeing With Sound
>>>>>from Spiegel
>>>>>
>>>>>Two-and-a-half-year-old Juli merrily twirls around, holding a small 
>>>>>white
>>>>cane in her outstretched arm. Every so often, she makes a discreet 
>>>>clicking
>>>>sound with her tongue. Doing so allows her to see with her ears, her 
>>>>parents
>>>>say. She just needs more practice.
>>>>>
>>>>>Four-and-a-half-year-old Frida already knows how it works. If someone 
>>>>>holds
>>>>out a pot lid at arm's length, she can locate it with a fair degree of
>>>>precision. Using subtle tongue clicks, she scans the space in front of 
>>>>her
>>>>face. "There it is!" she says. With a few more clicks, she can even
>>>>determine the contours of the lid. The edge lies where the echo cuts off 
>>>>and
>>>>she no longer hears a response.
>>>>>
>>>>>The two girls are learning a method of echolocation known as "flash 
>>>>>sonar,"
>>>>which resembles the type of active sonar used by bats. Both were born 
>>>>blind
>>>>in Berlin, and both have parents who want to spare them from the typical
>>>>life of a blind person.
>>>>>
>>>>>http://ow.ly/5rV9d
>>>>>
>>>>>
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>>>>
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