TIL When you open your eyes in a prefectly dark room you don't see black, but " eigengrau ", a shafe of grey en.wikipedia.org Submitted by mic3ttaa t3_zzmcr2 on December 31, 2022 at 5:23 AM in todayilearned 53 comments 282
xirondroidx t1_j2ck102 wrote on December 31, 2022 at 6:03 AM 50 Shafes of Grey xD Permalink 34 errolbert t1_j2clqbr wrote on December 31, 2022 at 6:22 AM No, just the one. Permalink Parent 6
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