Researchers have developed a high-precision microscale 3D printing method that can produce new polarisation-encoded 3D anticounterfeiting labels hku.hk Submitted by giuliomagnifico t3_zz0s5a on December 30, 2022 at 1:39 PM in science 14 comments 176
Fearless747 t1_j28wyas wrote on December 30, 2022 at 2:32 PM If you're wondering just how much information they can (theoretically) pack into a label, they're putting 2048 bits in one 4 µm2 pixel. That's pretty dense. Permalink 17 [deleted] t1_j29ekx7 wrote on December 30, 2022 at 4:34 PM [removed] Permalink Parent 1
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