I bet you could do something similar with a high-intensity digital projector behind the screen.
Which could be interesting for, say, horror movies. Put together a frame with a high-contrast image, white on a black background. Maybe a mouthful of fangs, or Freddie Kruger's knives. Time it right, just before a moment where the skittish audience members will close or cover their eyes, and they'll instead see something nasty inside their eyelids.
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I bet you could do something similar with a high-intensity digital projector behind the screen.
Which could be interesting for, say, horror movies. Put together a frame with a high-contrast image, white on a black background. Maybe a mouthful of fangs, or Freddie Kruger's knives. Time it right, just before a moment where the skittish audience members will close or cover their eyes, and they'll instead see something nasty inside their eyelids.
Someone would sue you, and as a result you would get the best press ever. Sued for being too scary, heh.