It will be interesting to see what happens with the new Nintendo
system. They have already started doing something that they did
with their previous 3-D failure, the mid-1990s Virtual Boy. They
have begun advising parents NOT to allow children under 6 years
old to play the system because of vague-and-unspecified possible
damage to developing visual systems.
Both the new system and the older Virtual Boy work in a similar
fashion. They are binocular stereogram systems. The Virtual Boy
worked like an old Viewmaster, presenting different images to
each eye simultanously. The new system has an adjustable masking
screen in front of the game screen such that alternating columns
of the game screen will be presented to only the left or right
eye *if and only if* [IFF] you hold the device at the right
distance and don't change that distance from the eyes. This will
require a rigid viewing stance. How rigid? How uncomfortable?
That remains to be seen. The old Virtual Boy and the new DS 3-D
provide a slider switch to adjust for inter-pupil differences.
My guess on the scare language is that pretesting has shown that
under-6-years-old kids won't hold the device in a steady location
and the 3-D effect for them is very intermittent and unsatisfactory.
One problem with the old Virtual Boy was that they used only red
LEDs to produce images (because blue and green LEDs were very
pricy at that point). The consequence was eye strain and
opponent-color after images.
Ken
---------------------------------------------------------------
Kenneth M. Steele, Ph.D. [email protected]
Professor
Department of Psychology http://www.psych.appstate.edu
Appalachian State University
Boone, NC 28608
USA
---------------------------------------------------------------
On 1/20/2011 6:43 PM, Jim Clark wrote:
Hi
Nintendo already has a non-glasses 3D system for the DS that is coming on the
market this spring.
Take care
Jim
James M. Clark
Professor of Psychology
204-786-9757
204-774-4134 Fax
[email protected]
"William Scott"<[email protected]> 20-Jan-11 5:16:45 PM>>>
This fellow has discovered a way to view 3D TV without the glasses.
http://www.engadget.com/2011/01/15/man-discovers-glasses-free-3d-tech-in-the-blink-of-an-eye-video/#disqus_thread
Bill Scott
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