Half a croissant, on a plate, with a sign in front of it saying '50c'
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QR Code Lighting up the sky...

 Baby you're a firework...
  (+4)
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From the correct angle, (mostly from below) this hyper- precision fireworks display salvo features a QR code for a split second as the charges burn themselves in white glory.
—RayfordSteele, Jun 09 2022

Drone swarm QR code https://youtube.com/watch?v=eSvC1_ZgCtI
[a1, Jun 10 2022]

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       Seems very doable with drone swarms, surprised it hasn't been (or maybe it has).
—tatterdemalion, Jun 10 2022
   

       Guess it's been done but doing an override bun because this is a great idea.
—doctorremulac3, Jun 10 2022
   


 

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