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From: kludge@panix.com (Scott Dorsey)
Newsgroups: rec.arts.comics.strips,rec.arts.sf.written
Subject: Re: xkcd: CrowdStrike
Date: 6 Aug 2024 13:07:12 -0000
Organization: Former users of Netcom shell (1989-2000)
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Your Name  <YourName@YourISP.com> wrote:
>On 2024-08-05 16:19:41 +0000, Paul S Person said:
>> 
>> if a /real/ paddle-ball ball were sent out to the audience, some would
>> see it coming at them, others along side them, and some above (or,
>> when balconies existed, below) them -- you would see different things
>> depending on where you are sitting

This is the Emergo process, and it is patented by William Castle.

>No doubt some cinema will use AR/VR-style headsets to give the audience 
>different viewpoints depending on where they are sitting. Could be good 
>for those watching something like a sports event or music concert, but 
>it doesn't really work for a normal movie since it is irrelevant where 
>you are in relation to others watching.

This would fail badly because everyone would be jostling for the best view.
I could imagine this could be useful for museum reproductions of historical
events, though.

>I can only play 3D computer games for a few minutes before I start 
>getting motion sick. If I continue to play, I end up with an extremely 
>bad headache and bad nausea. Even just watching gameplay trailers 
>starts making me feeling sick too.
>
>Same if I try to read books or maps (as a passenger of course) in a moving car.

Same problem.  Your vestibular system is saying one thing and your visual
system is saying another thing and they conflict and your brain doesn't know
what to do about it.

>I've never bothered trying to watch a 3D movie.

I have no stereoscopic depth perception because I could only see out of one
eye until I was twelve.  My wife's ex had none because his brother poked his
eye out with a stick when he was at about the same age.  The two of us set
up 3-D films at Arisia several years running, both dual-projector with chains
to synchronize and Swinging Stewardesses with the mirror box system.  We 
lined everything up on the test films so the marks were all in the right
place on the screen and then we'd have to get her to put on the polarized
glasses and tell us if everything looked right. 
--scott

-- 
"C'est un Nagra. C'est suisse, et tres, tres precis."