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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/

@ajroach42 Basically looks like they're printing RFID antennas and maybe using the internal resistance of the positions of the objects they print to convey data measurements?

Andrew Roach @ajroach42

@bastlynn the linked paper goes in to all the details, but it’s a little more complex than that, unless I really misunderstood how rfid works.