Random Mosaic – Detecting unauthorized physical access with colored rice (2021)

3 comments

• $gus_massa an hour ago

  Old discussion https://news.ycombinator.com/item?id=31897530 (642 points | June 2022 | 165 comments)

• $leakycap 9 hours ago

  I would have never come across this except on HN & it's awesome!

• $ an hour ago
  [deleted]