If I understand this correctly, this is a paper about 3D printing physical objects, with no electronics, that send information over wifi.

ie, magic.

This is magic.

printedwifi.cs.washington.edu/

Sam the Octopus
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@ajroach42 from the extended video it looks like they're using ambient backscatter

So for my level of understanding, JFM, but it seems to be workable

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