Message posted by The Doctor (Member since 10/20/2022) on October 30, 2023 at 9:36:41 PST:
That does sound like one of the things metamaterials could do: Refraction by piping visible light on one side through its structure and out another side, kind of like the thing was a huge bundle of fiber optics.
In Reply to: Re: SHadows cannot fall onto thin air: B-21 musing posted by Ginger on October 29, 2023 at 15:23:45 PST:
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