Re:Researchers shrink camera to the size of a salt grain
by Keppl8R on Thursday February 03, 2022 @06:04PM
(#30200312)
Reminds me of another Scifi book called "Light of Other Days" by Bob Shaw in which the story uses the idea of "slow glass": glass through which light takes years to pass.
(book was 1998 but portions were published earlier)