Am 11.03.2011 21:50, schrieb Nekar Xenos:
> On Fri, 11 Mar 2011 22:26:53 +0200, Warp <war### [at] tagpovrayorg> wrote:
>
>> Nekar Xenos <nek### [at] gmailcom> wrote:
>>> I don't know if any of this has been tried yet, but I just think it
>>> might
>>> work.
>>
>> How about a simpler technology which is available today (and has been for
>> quite many years): Eye tracking.

Both is already being developed. Current state of the art for 
brainwave-only approaches seem to be a few characters per minute, so at 
present they seem to be only really useful for patients having no 
motoric capabilities left (locked-in syndrome).

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