Hm. Cool. Expensive. What about a projector that shoots an image to a persistent sensitive surface. That would be reinvention of photography! Let's say, reset

Hm. Cool. Expensive. What about a projector that shoots an image to a persistent sensitive surface. That would be reinvention of photography! Let's say, reset with one frequency of light, then flash with an image that holds for > 24h. Hm!