Dildos
this post was submitted on 10 Oct 2025
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I don't think QR codes have changed at all. Only the tools we use to scan them have
Did you know that you can halftone dither two different but same size QR codes on top of each other?
I wish I had a link to the article handy, but yeah I've tried that myself and it totally works! You basically get a 50/50 chance of one or the other code scanning. It's literally two QR codes in one!
And no, that's not some new special QR code format either, it's basically taking advantage of the nature of the scanners plus the built in error correction.
Whatβs a use for an ambiguous QR code panel where you canβt predict which of two codes may be scanned? Iβm struggling to come up with anything that makes sense where the mechanism potentially slightly favours one or the other depending on the scanner/ tones used.
The two QR codes could be totally related, like two different versions of a rickroll, or two different versions of bad apple.
You just never know exactly which one you're gonna get...
Hint, in my experience testing that, it partly depends what angle you're holding your device when scanning such combo QR codes.
The new 50/50 lol
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[off topic?]
I can't remember the exact quote, but Robert A. Heinlein said of the DC-3 that it was the best airplane ever built, and that the only way to improve it was to completely redesign it.
I just like the idea that some things are perfect the way they are.
I know Heinlein had his problems, but in highschool I loved his books.
The line is in 'Glory Road,' a great fantasy book that takes pretty much every fantasy trope and kicks it to the curb.