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> To this day however, I still get very car sick trying to read my phone in a moving motor vehicle, so I don't know.

I find this fascinating. Reading in cars, riding in boats in heavy waves, and anything like that does not give me motion sickness. I made it through 45 years of life without even knowing what that was. However, ten minutes of Minecraft in VR was enough to make me sick to my stomach.

(It was also amazing, BTW)

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I believe (as a layman) that motion sickness in vehicles is caused by a mismatch between what the vestibular system perceives and what the eyes do. However, headset-based VR systems have an additional issue called vergence-accommodation conflict, which is where the focus of each individual eye isn't at the same distance as the stereoscopic vision of both eyes together.

My prediction is that one day (in twenty years, perhaps) we'll have miniature holograms for displays and thus get a proper match between accommodation and vergence!

https://en.wikipedia.org/wiki/Vergence-accommodation_conflic...

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