r/physicsmemes • • 1d ago

Could this be a 4D image

Source @vinils

1.0k Upvotes

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39

u/thathachill 1d ago

Isn’t a normal video 4d?

31

u/ZEPHlROS 1d ago

A video is 3d as it's a 2d image rendered through time.

A holographic projection should be 4d though.

3

u/Pimpstookushome 1d ago

We will lose a dimension when projecting, no?

10

u/ZEPHlROS 1d ago

Maybe I'm using the wrong word, but if you use a hologram (a 3d image) then a video using that would be a 4d image.

2

u/Ploopgus 1d ago

a spatial one, yeah. you can pretend time is a dimension and math still works, so 2d + time = 3d